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  • SQL SERVER – Installing AdventureWorks for SQL Server 2011

    - by pinaldave
    I just began with SQL Server 2011 Denali CTP1. The very first thing, I realized that there is no AdventureWorks Sample Database available for Denali. I quickly searched online and reached to Microsoft documentations where it provides information of the how to install (restore) AdventureWorks for SQL Server 2011 for Denali. Download the AdventureWorks from here. Run following script (replace your path of mdf file. CREATE DATABASE AdventureWorks2008R2 ON (FILENAME = 'C:\SQL 11 CTP1\CTP1\AdventureWorks2008R2_Data.mdf') FOR ATTACH_REBUILD_LOG ; When you run above script it will give you following message and you are DONE! File activation failure. The physical file name "C:\Program Files\Microsoft SQL Server\MSSQL11.MSSQLSERVER\MSSQL\DATA\AdventureWorks2008R2_Log.ldf" may be incorrect. New log file 'C:\SQL 11 CTP1\CTP1\AdventureWorks2008R2_log.ldf' was created. Converting database 'AdventureWorks2008R2' from version 679 to the current version 684. Database 'AdventureWorks2008R2' running the upgrade step from version 679 to version 680. Database 'AdventureWorks2008R2' running the upgrade step from version 680 to version 681. Database 'AdventureWorks2008R2' running the upgrade step from version 681 to version 682. Database 'AdventureWorks2008R2' running the upgrade step from version 682 to version 683. Database 'AdventureWorks2008R2' running the upgrade step from version 683 to version 684. I will soon write my experience about Denali. However, SQL Server Management Studio more started to look a like Visual Studio. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: Pinal Dave, SQL, SQL Authority, SQL Backup and Restore, SQL Query, SQL Scripts, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology

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  • SQL SERVER – Changing Default Installation Path for SQL Server

    - by pinaldave
    Earlier I wrote a blog post about SQL SERVER – Move Database Files MDF and LDF to Another Location and in the blog post we discussed how we can change the location of the MDF and LDF files after database is already created. I had mentioned that we will discuss how to change the default location of the database. This way we do not have to change the location of the database after it is created at different locations. The ideal scenario would be to specify this default location of the database files when SQL Server Installation was performed. If you have already installed SQL Server there is an easy way to solve this problem. This will not impact any database created before the change, it will only affect the default location of the database created after the change. To change the default location of the SQL Server Installation follow the steps mentioned below: Go to Right Click on Servers >> Click on Properties >> Go to the Database Settings screen You can change the default location of the database files. All the future database created after the setting is changed will go to this new location. You can also do the same with T-SQL and here is the T-SQL code to do the same. USE [master] GO EXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', N'Software\Microsoft\MSSQLServer\MSSQLServer', N'DefaultData', REG_SZ, N'F:\DATA' GO EXEC xp_instance_regwrite N'HKEY_LOCAL_MACHINE', N'Software\Microsoft\MSSQLServer\MSSQLServer', N'DefaultLog', REG_SZ, N'F:\DATA' GO What are the best practices do you follow with regards to default file location for your database? I am interested to know them. Reference : Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology

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  • General directions on developing a server side control system for JS/Canvas Action RPG

    - by Billy Ninja
    Well, yesterday I asked on anti-cheat JS, and confirmed what I kind of already knew that it's just not possible. Now I wanna measure roughly how hard it is to implement a server side checking that is agnostic to client input, that does not mess with the game experience so much. I don't wanna waste to much resource on this matter, since it's going to be initially a single player game, that I may or would like to introduce some kind of ranking, trading system later on. I'd rather deliver better more cool game features instead. I don't wanna have to guarantee super fast server response to keep the game going lag free. I'd rather go with more loose discrete control of key variables and instances. Like store user's action on a fifo buffer on the client, and push that actions to the server gradually. I'd love to see a elegant, generic solution that I could plug into my client game logic root (not having to scatter treatments everywhere in my client js) - and have few classes on Node.js server that could handle that - without having to mirror/describe all of my game entities a second time on the server.

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  • My dedicated server keeps getting very slow that it fails to load the application

    - by server
    I have an application running on Windows Server 2008, running IIS 7.5, SQL Server 2008, 4GB RAM from brinkster. The problem is, every couple of days I get the same 10,000 calls that the system is very slow, and its not operating properly, then after 30 minutes of that it just fails to load. I try to access the server from the remote desktop connection but I can't access it. The only way it I can get it working again is to call the support at brinkster and have them do a manual reboot of the server. After that it works well for some time, and the it re-crashes after some time. Support over there, are not helping a lot.

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  • SQL SERVER – Beginning SQL Server: One Step at a Time – SQL Server Magazine

    - by pinaldave
    I am glad to announce that along with SQLAuthority.com, I will be blogging on the prominent site of SQL Server Magazine. My very first blog post there is already live; read here: Beginning SQL Server: One Step at a Time. My association with SQL Server Magazine has been quite long, I have written nearly 7 to 8 SQL Server articles for the print magazine and it has been a great experience. I used to stay in the United States at that time. I moved back to India for good, and during this process, I had put everything on hold for a while. Just like many things, “temporary” things become “permanent” – coming back to SQLMag was on hold for long time. Well, this New Year, things have changed – once again, I am back with my online presence at SQLMag.com. Everybody is a beginner at every task or activity at some point of his/her life: spelling words for the first time; learning how to drive for the first time, etc. No one is perfect at the start of any task, but every human is different. As time passes, we all develop our interests and begin to study our subject of interest. Most of us dream to get a job in the area of our study – however things change as time passes. I recently read somewhere online (I could not find the link again while writing this one) that all the successful people in various areas have never studied in the area in which they are successful. After going through a formal learning process of what we love, we refuse to stop learning, and we finally stop changing career and focus areas. We move, we dare and we progress. IT field is similar to our life. New IT professionals come to this field every day. There are two types of beginners – a) those who are associated with IT field but not familiar with other technologies, and b) those who are absolutely new to the IT field. Learning a new technology is always exciting and overwhelming for enthusiasts. I am working with database (in particular) for SQL Server for more than 7 years but I am still overwhelmed with so many things to learn. I continue to learn and I do not think that I should ever stop doing so. Just like everybody, I want to be in the race and get ahead in learning the technology. For the same, I am always looking for good guidance. I always try to find a good article, blog or book chapter, which can teach me what I really want to learn at this stage in my career and can be immensely helpful. Quite often, I prefer to read the material where the author does not judge me or assume my understanding. I like to read new concepts like a child, who takes his/her first steps of learning without any prior knowledge. Keeping my personal philosophy and preference in mind, I will be blogging on SQL Server Magazine site. I will be blogging on the beginners stuff. I will be blogging for them, who really want to start and make a mark in this area. I will be blogging for all those who have an extreme passion for learning. I am happy that this is a good start for this year. One of my resolutions is to help every beginner. It is totally possible that in future they all will grow and find the same article quite ‘easy‘ – well when that happens, it indicates the success of the article and material! Well, I encourage everybody to read my SQL Server Magazine blog – I will be blogging there frequently on various topics. To begin, we will be talking about performance tuning, and I assure that I will not shy away from other multiple areas. Read my SQL Server Magazine Blog: Beginning SQL Server: One Step at a Time I think the title says it all. Do leave your comments and feedback to indicate your preference of subject and interest. I am going to continue writing on subject, and the aim is of course to help grow in this field. Reference : Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Optimization, SQL Performance, SQL Query, SQL Server, SQL Tips and Tricks, SQLAuthority News, T SQL, Technology

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  • SQL Server 2005, Sudden increase of connections - SharePoint 2007

    - by CrazyNick
    We observed that sudden increase of SQL connections during a specific hour, it is a backend of a SharePoint 2007 Farm. From SharePoint 2007 Perspective: 1. Incremental crawling is scheduled at that time and few of the Timer jobs (normal timer jobs) are scheduled to run every mins / per 10mins. 2. Number of user requests are less. From SQL Server 2005 Perspective: 1. Transaction log backup is scheduled at that time 2. No other scheduled jobs are running at that time. so, how to narrow down the issue, what would be causing the sudden SQL connection increase?

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  • SQL SERVER – Dedicated Access Control for SQL Server Express Edition – An error occurred while obtaining the dedicated administrator connection (DAC) port.

    - by pinaldave
    Recently I had faced very interesting situation. Due to some reason we were not able to login into the production server for one of client. The reason for the same was that server was very busy, we had to login into the system and bring server to normal situation. When all the attempts failed, I decided to login using Dedicated Administrator Connection (DAC). However when I attempted to connect using DAC it threw following error for me. C:\Users\pinald>sqlcmd -A -d master -S .\SQLEXPRESS Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : SQL Server Network Interfaces: An error occurred while obtaining the dedicated administrator connection (DAC) port. Make sure that SQL Browser is running, or check the error log for t he port number [xFFFFFFFF]. .Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : Login timeout expired.Sqlcmd: Error: Microsoft SQL Server Native Client 11.0 : A network-related or instance-specific error has occurred while establishing a connection to SQL Server. Server is not found or not accessible. Check if instance name is correct and if SQL Server is configured to allow remote connections. For more information see SQL Server Books Online. I was bit taken a back as I knew that my commands are correct to login and if DAC does not work, there should be some serious reason for it. When inquired further about the SQL Server version I learned that it was SQL Server Express version deployed. To conserve resources, SQL Server Express does not listen on the DAC port. There is an additional step to be done if SQL Server Express has to be used with DAC. Enable TRACEFLAG on SQL Server Express will enable the connection by DAC possible. Here is the quick methods how one can enable DAC on SQL Server Express. Go to Start >> All Program >>Microsoft SQL Server (your version) >> Configuration Tools >> SQL Server Configuration Manager. Click on SQL Server Services >> Select your SQL Server Express version >> Right Click Properties >> select Startup Parameters Once on the Startup Parameter add the Startup parameter which is TRACEFLAG -T7806. Click on OK and RESTART SQL Server Express edition. Now once again try to connect to SQL Server Express edition and it will work just fine. This is absolutely documented method on BOL and SQL Server Express needs to be restarted. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Error Messages, SQL Interview Questions and Answers, SQL Query, SQL Server, SQL Tips and Tricks, SQLServer, T SQL, Technology Tagged: SQL Server Express

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  • Sql Server 2005 cluster - unable to rename to old server name

    - by Paul2020
    We have a sql 2005 cluster on W2K8 cluster. It is a named instance say SRV1\A. Then I built a new W2K8 (with a diff cluster service name) but the same service account. Then I installed a new sql 2005 cluster say SRV2\A. Now when I bring down the sql server resources on SRV1 and try to rename SRV2\A to SRV1\A through the cluster admin, I get the error the network name already exists. I have tried bringing an old cluster and installing a new cluster with the same name and it works. Why am I not able to rename the name? Any advice would very helpful.

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  • References about Game Engine Architecture in AAA Games

    - by sharethis
    Last weeks I focused on game engine architecture and learned a lot about different approaches like component based, data driven, and so on. I used them in test applications and understand their intention but none of them looks like the holy grail. So I wonder how major games in the industry ("AAA Games") solve different architecture problems. But I noticed that there are barely references about game engine architecture out there. Do you know any resources of game engine architecture of major game titles like Battlefield, Call of Duty, Crysis, Skyrim, and so on? Doesn't matter if it is an article of a game developer or a wiki page or an entire book. I read this related popular question: Good resources for learning about game architecture? But it is focused on learning books rather than approaches in the industry. Hopefully the breadth of our community can carry together certain useful informations! Thanks a lot! Edit: This question is focused but not restricted to first person games.

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  • SQL SERVER – Migration Assistant Upgraded to Support SQL Server 2014

    - by Pinal Dave
    We all start somewhere when it is about database. There are different reasons, why we go for one database over another database. Usually the reason is cost and convenience. After a period of time when business is successful and traffic is growing, the same two reasons of cost and convenience start to become secondary goals. I have seen quite a lot of companies starting with free databases and after a while switching to another database as they want stability and service from the product company. Microsoft has an excellent product which lets you migrate your database from the alternate database to SQL Server. It is called SQL Server Migration Assistant (SSMA) and earlier this week, it has been upgraded to support SQL Server 2014. Now you can migrate from your database to to all editions of SQL Server 2005, SQL Server 2008, SQL Server 2008 R2, SQL Server 2012 and SQL Server 2014. SQL Server Migration Assistant (SSMA) is a free supported tool from Microsoft. Here is where you can download SSMA v5.3 for various databases. Microsoft SQL Server Migration Assistant v5.3 for Access Microsoft SQL Server Migration Assistant (SSMA) for Access is a tool to automate migration from Microsoft Access database(s) to SQL Server Microsoft SQL Server Migration Assistant v5.3 for Oracle Microsoft SQL Server Migration Assistant (SSMA) for Oracle is a tool to automate migration from Oracle database to SQL Server. Microsoft SQL Server Migration Assistant v5.3 for Sybase Microsoft SQL Server Migration Assistant (SSMA) for Sybase is a tool to automate migration from Sybase ASE database to SQL Server. Microsoft SQL Server Migration Assistant v5.3 for MySQL Microsoft SQL Server Migration Assistant (SSMA) for MySQL is a tool to automate migration from MySQL database to SQL Server. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: MySQL, PostADay, SQL, SQL Authority, SQL Documentation, SQL Download, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • SQL Server 2012 : The Data Tools installer is now available

    - by AaronBertrand
    Last week when RC0 was released, the updated installer for "Juneau" (SQL Server Data Tools) was not available. Depending on how you tried to get it, you either ended up on a blank search page, or a page offering the CTP3 bits. Important note: the CTP3 Juneau bits are not compatible with SQL Server 2012 RC0. If you already have Visual Studio 2010 installed (meaning Standard/Pro/Premium/Ultimate), you will need to install Service Pack 1 before continuing. You can get to the installer simply by opening...(read more)

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  • SQL SERVER – Copy Statistics from One Server to Another Server

    - by pinaldave
    I was recently working on a performance tuning project in Dubai (yeah I was able to see the tallest tower from the window of my work place). I had a very interesting learning experience there. There was a situation where we wanted to receive the schema of original database from a certain client. However, the client was not able to provide us any data due to privacy issues. The schema was very important because without having an access to underlying data, it was a bit difficult to judge the queries etc. For example, without any primary data, all the queries are running in 0 (zero) milliseconds and all were using nested loop as there were no data to be returned. Even though we had CPU offending queries, they were not doing anything without the data in the tables. This was really a challenge as I did not have access to production server data and I could not recreate the scenarios as production without data. Well, I was confused but Ruben from Solid Quality Mentors, Spain taught me new tricks. He suggested that when table schema is generated, we can create the statistics consequently. Here is how we had done that: Once statistics is created along with the schema, without data in the table, all the queries will work as how they will work on production server. This way, without access to the data, we were able to recreate the same scenario as production server on development server. When observed at the script, you will find that the statistics were also generated along with the query. You will find statistics included in WITH STATS_STREAM clause. What a very simple and effective script. Reference: Pinal Dave (http://blog.SQLAuthority.com) Filed under: Pinal Dave, PostADay, SQL, SQL Authority, SQL Query, SQL Scripts, SQL Server, SQL Tips and Tricks, SQLServer, T SQL, Technology Tagged: SQL Statistics, Statistics

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  • Presenting "What's New in SQL Server Denali" for WVPASS

    - by AaronBertrand
    Recently I was asked by John Sterrett ( blog | twitter ) to present to his SQL Server user group ( WVPASS ) in Wheeling, West Virginia. Well, today is the day, and I will be presenting, "What's new in SQL Server Denali" at tonight's meeting, sponsored by SQL Sentry . The slide deck is attached below; the samples are available here . If you attended this presentation, please feel free to provide feedback at SpeakerRate ....(read more)

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  • Security updates for all supported versions of SQL Server

    - by AaronBertrand
    It's patch Tuesday! [ UPDATE June 19 : Please see my follow-up post about this security update.] Today Microsoft released a security bulletin covering several issues that could potentially affect SQL Server; these exploits include remote code execution, denial of service, information disclosure and elevation of privilege. You should test these patches on all machines running SQL Server, including those running only client tools (e.g. Management Studio or Management Studio Express). The updates affect...(read more)

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  • Thoughts on Nexus in SQL Server PDW

    - by jamiet
    I have been on a SQL Server Parallel Data Warehouse (aka PDW) training course this week and was interested to learn that you can't (yet) use SQL Server Management Studio (SSMS) against PDW, instead they ship a 3rd party tool called Nexus Chameleon. This was a bit of a disappointment at the beginning of the week (I'd prefer parity across SQL Server editions) but actually, having used Nexus for 3 days, I'm rather getting used to it. Some of it is a bit clunky (e.g. everything goes via an ODBC DSN) but once you get into using it its the epitome of "it just works". For example, over the past few years I have come to rely on intellisense in SSMS and have learnt to cope with its nuances. There is no intellisense in Nexus but you know what....I don't really miss it that much. In a sense its a breath of fresh air not having to hope that you've crossed the line into that will it work/won't it work grey area with SSMS intellisense. And I don't end up with writing @@CONNECTIONS instead of FROM anymore (anyone else suffer from this?) :) Moreover, Nexus is a standalone tool. Its not a bunch of features shoehorned into something else (Visual Studio). Another thing I like about Nexus is that you can actually do something with your resultset client-side. Take a look at the screenshots below:   You can see Nexus allows you to group a resultest by a column or set of columns. Nice touch. I know that many people have submitted Connect requests asking for the ability to do similar things in SSMS that would mean we don't have to copy resultsets into Excel (I know I have) - Nexus is a step in that direction. Its refreshing to use a tool that just gets out of the way yet still has some really useful features. How ironic that it gets shipped inside an edition of SQL Server! If I had the option of using Nexus in my day job I suspect that over time I would probably gravitate back to SSMS because as yet I haven’t really stretched Nexus’ capabilities, overall SSMS *does* have more features and up until now I've never really had any objections to it ... but its been an interesting awakening into the nuances that plague SSMS. Anyone else used Nexus? Any thoughts on it? @Jamiet

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  • SQL Server 2008 Unique Problem for bring DB Online...

    - by Nai
    This is my error I am facing TITLE: Microsoft.SqlServer.Smo Set offline failed for Database 'Go3D_Retailer ------------------------------ ADDITIONAL INFORMATION: An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo) Unable to open the physical file "E:\Program Files\Microsoft SQL Server\MSSQL10.MSSQLSERVER\MSSQL\DATA\ftrow_Go3D_catalog.ndf". Operating system error 2: "2(failed to retrieve text for this error. Reason: 15105)". Database 'Go3D_Retailer' cannot be opened due to inaccessible files or insufficient memory or disk space. See the SQL Server errorlog for details. ALTER DATABASE statement failed. (Microsoft SQL Server, Error: 5120) Background to this error I've been trying to move my destination logshipping database to another physical server for analysis purposes. Because I do not have active directory set up, I had to hack my process by using the same username/password for both the source and destination servers to get the process to work. Following that, I used this guy's solution to move the destination database to another server. However, this error occurs when I try to bring the database back online. I don't have an E drive on my server and I have no idea why it's trying to open a file from E drive. I have over a 100gb left on my hard disk so it's definitely not a space issue. This sounds like a bug... Any ideas? I'm running SQL Server 2008 Enterprise edition on Windows Server 2008 R2 64bit

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  • Scalable Architecture for modern Web Development [on hold]

    - by Jhilke Dai
    I am doing research about Scalable architecture for Web Development, the research is solely to support Modern Web Development with flexible architecture which can scale up/down according to the needs without losing any core functionality. By Modern Web I mean to support all the Devices used to access websites, but the loading mechanism for all devices would be different. My quest of architecture is: For PC: Accessing web in PC is faster but it also depends on the Geo-location, so, the application would check by default the capacity of Internet/Browser and load the page according to it. For Mobile: Most of the mobile design these days either hide information or use different version of same application. eg: facebook uses m.facebook.com which is completely different than PC version. Hiding the things from Mobile using JavaScript or CSS is not a solution as it'll consume the bandwidth and make the application slow. So, my architecture research is about Serving one Application, which has different stack. When the application receives the request it'd send the Packaged Stack to the received request. This way the load time for end users would be faster and maintenance of application for developers would be easier. I am researching about for 4-tier(layered) architecture like: Presentation Layer Application Logic Layer -- The main Logic layer which stores the Presentation Stack Business Logic Layer Data Layer Main Question: Have you come across of similar architecture? If so, then can you list the links here, I'm very much interested to learn about those implementations specially in real world scenario. Have you thought about similar architectures and tried your own ideas, or if you have any ideas regarding this, then I urge to share. I am open to any discussions regarding this, so, please feel free to comment/answer.

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  • Running multiple box2D world objects on a server

    - by CharbelAbdo
    I'm creating a multiplayer game using LibGdx (with Box2d) and Kryonet. Since this is the first time I work on multiplayer games, I read a bit about server - client implementations, and it turns out that the server should handle important tasks like collision detection, hits, characters dying etc... Based on some articles (like the excellent Gabriel Gambetta Fast paced multiplayer series), I also know that the client should work in parallel to avoid the lag while the server responds to commands. Physics wise, each game will have 2 players, and any projectiles fired. What I'm thinking of doing is the following: Create a physics world on the client When the game is signaled to start, I create the same physics world on the server (without any rendering obviously). Whenever the player issues a command (move or fire), I send the command to the server and immediately start processing it on the client. When the server receives the command, it applies it on the server's world (set velocity etc...) Each 100ms, the server sends the new state to the client which corrects what was calculated locally. Any critical action (hit, death, level up) is calculated only on the server and sent to the client. Essentially, I would have a Box2d World object running on the server for each game in progress, in sync with the worlds running on the clients. The alternative would be to do my own calculations on the server instead of relying on Box2D to do them for me, but I'm trying to avoid that. My question is: Is it wise to have, for example, 1000 instances of the World object running and executing steps on the server? Tomcat used around 750 MBytes of memory when trying it without any object added to the world. Anybody tried that before? If not, is there any alternative? Google did not help me, are there any guidelines to use when you want to have physics on both the client and the server? Thanks for any help.

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  • SQL Server 2008 R2 and copy-only default value in SQL Server Management Studio

    - by user102718
    We are using Tivoli Storage Manager for taking backups of the database but sometimes our consultants need to take separate backup copies of the database using Management Studio. If they forget to mark the "copy-only" flag in Management Studio they will mess up the Tivoli's backups (we are running our databases in FULL-recovery mode). Is there a way to set the default value of the Copy-Only flag to true in the Management Studio's "Back Up Database"-window?

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  • Best development architecture for a small team of programmers

    - by Tio
    Hi all.. I'm in the first month of work in a new company.. and after I met the two programmer's and asked how things are organized in terms of projects inside the company, they simply shrug their shoulders, and said that nothing is organized.. I think my jaw hit the ground that same time.. ( I know some, of you think I should quit, but I'm on a privileged position, I'm the most experienced there, so there's room for me to grow inside the company, and I'm taking the high road ).. So I talked to the IT guy, and one of the programmers, and maybe this week I'm going to get a server all to myself to start organizing things. I've used various architectures in my previous work experiences, on one I was developing in a server on the network ( no source control of course ).. another experience I had was developing in my local computer, with no server on the network, just source control. And at home, I have a mix of the two, everything I code is on a server on the network, and I have those folders under source control, and I also have a no-ip account configured on that server so I can access it everywhere and I can show the clients anything. For me I think this last solution ( the one I have at home ) is the best: Network server with LAMP stack. The server as a public IP so we can access it by domain name. And use subdomains for each project. Everybody works directly on the network server. I think the problem arises, when two or more people want to work on the same project, in this case the only way to do this is by using source control and local repositories, this is great, but I think this turns development a lot more complicated. In the example I gave, to make a change to the code, I would simply need to open the file in my favorite editor, make the change, alter the database, check in the changes into source control and presto all done. Using local repositories, I would have to get the latest version, run the scripts on the local database to update it, alter the file, alter the database, check in the changes to the network server, update the database on the network server, see if everything is running well on the network server, and presto all done, to me this seems overcomplicated for a change on a simple php page. I could share the database for the local development and for the network server, that sure would help. Maybe the best way to do this is just simply: Network server with LAMP stack ( test server so to speak ), public server accessible trough the web. LAMP stack on every developer computer ( minus the database ) We develop locally, test, then check in the changes into the server test and presto. What do you think? Maybe I should start doing this at home.. Thanks and best regards...

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  • Best development architecture for a small team of programmers ( WAMP Stack )

    - by Tio
    Hi all.. I'm in the first month of work in a new company.. and after I met the two programmer's and asked how things are organized in terms of projects inside the company, they simply shrug their shoulders, and said that nothing is organized.. I think my jaw hit the ground that same time.. ( I know some, of you think I should quit, but I'm on a privileged position, I'm the most experienced there, so there's room for me to grow inside the company, and I'm taking the high road ).. So I talked to the IT guy, and one of the programmers, and maybe this week I'm going to get a server all to myself to start organizing things. I've used various architectures in my previous work experiences, on one I was developing in a server on the network ( no source control of course ).. another experience I had was developing in my local computer, with no server on the network, just source control. And at home, I have a mix of the two, everything I code is on a server on the network, and I have those folders under source control, and I also have a no-ip account configured on that server so I can access it everywhere and I can show the clients anything. For me I think this last solution ( the one I have at home ) is the best: Network server with WAMP stack. The server as a public IP so we can access it by domain name. And use subdomains for each project. Everybody works directly on the network server. I think the problem arises, when two or more people want to work on the same project, in this case the only way to do this is by using source control and local repositories, this is great, but I think this turns development a lot more complicated. In the example I gave, to make a change to the code, I would simply need to open the file in my favorite editor, make the change, alter the database, check in the changes into source control and presto all done. Using local repositories, I would have to get the latest version, run the scripts on the local database to update it, alter the file, alter the database, check in the changes to the network server, update the database on the network server, see if everything is running well on the network server, and presto all done, to me this seems overcomplicated for a change on a simple php page. I could share the database for the local development and for the network server, that sure would help. Maybe the best way to do this is just simply: Network server with WAMP stack ( test server so to speak ), public server accessible trough the web. LAMP stack on every developer computer ( minus the database ) We develop locally, test, then check in the changes into the server test and presto. What do you think? Maybe I should start doing this at home.. Thanks and best regards... Edit: I'm sorry I made a mistake and switched WAMP with LAMP, sorry about that..

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  • Cannot install mysql-server (5.5.22) on clean ubuntu 12.04 LTS server

    - by Christian
    I have a clean minimal install of Ubuntu 12.04 LTS server 64-bit (just a root user and nothing alse installed). I tried to install the mysql-server with the following command: apt-get install mysql-server The installation aborts with the following error: The following NEW packages will be installed: libdbd-mysql-perl{a} libmysqlclient18{a} mysql-client mysql-client-5.5{a} mysql-client-core-5.5{a} mysql-common{a} mysql-server mysql-server-5.5{a} mysql-server-core-5.5{a} 0 packages upgraded, 9 newly installed, 0 to remove and 0 not upgraded. Need to get 11.7 kB/26.2 MB of archives. After unpacking 94.5 MB will be used. Do you want to continue? [Y/n/?] y Get: 1 http://mirror.eu.oneandone.net/ubuntu/ubuntu/ precise/main mysql-client all 5.5.22-0ubuntu1 [11.7 kB] Fetched 11.7 kB in 0s (567 kB/s) Preconfiguring packages ... Selecting previously unselected package mysql-common. (Reading database ... 54008 files and directories currently installed.) Unpacking mysql-common (from .../mysql-common_5.5.22-0ubuntu1_all.deb) ... Selecting previously unselected package libmysqlclient18. Unpacking libmysqlclient18 (from .../libmysqlclient18_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package libdbd-mysql-perl. Unpacking libdbd-mysql-perl (from .../libdbd-mysql-perl_4.020-1build2_amd64.deb) ... Selecting previously unselected package mysql-client-core-5.5. Unpacking mysql-client-core-5.5 (from .../mysql-client-core-5.5_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package mysql-client-5.5. Unpacking mysql-client-5.5 (from .../mysql-client-5.5_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package mysql-server-core-5.5. Unpacking mysql-server-core-5.5 (from .../mysql-server-core-5.5_5.5.22-0ubuntu1_amd64.deb) ... Processing triggers for man-db ... Setting up mysql-common (5.5.22-0ubuntu1) ... Selecting previously unselected package mysql-server-5.5. (Reading database ... 54189 files and directories currently installed.) Unpacking mysql-server-5.5 (from .../mysql-server-5.5_5.5.22-0ubuntu1_amd64.deb) ... Selecting previously unselected package mysql-client. Unpacking mysql-client (from .../mysql-client_5.5.22-0ubuntu1_all.deb) ... Selecting previously unselected package mysql-server. Unpacking mysql-server (from .../mysql-server_5.5.22-0ubuntu1_all.deb) ... Processing triggers for ureadahead ... Processing triggers for man-db ... Setting up libmysqlclient18 (5.5.22-0ubuntu1) ... Setting up libdbd-mysql-perl (4.020-1build2) ... Setting up mysql-client-core-5.5 (5.5.22-0ubuntu1) ... Setting up mysql-client-5.5 (5.5.22-0ubuntu1) ... Setting up mysql-server-core-5.5 (5.5.22-0ubuntu1) ... Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... 120502 10:17:41 [Note] Plugin 'FEDERATED' is disabled. 120502 10:17:41 InnoDB: The InnoDB memory heap is disabled 120502 10:17:41 InnoDB: Mutexes and rw_locks use GCC atomic builtins 120502 10:17:41 InnoDB: Compressed tables use zlib 1.2.3.4 120502 10:17:41 InnoDB: Initializing buffer pool, size = 128.0M 120502 10:17:41 InnoDB: Completed initialization of buffer pool 120502 10:17:41 InnoDB: highest supported file format is Barracuda. 120502 10:17:41 InnoDB: Waiting for the background threads to start 120502 10:17:42 InnoDB: 1.1.8 started; log sequence number 1595675 120502 10:17:42 InnoDB: Starting shutdown... 120502 10:17:42 InnoDB: Shutdown completed; log sequence number 1595675 start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 No apport report written because MaxReports is reached already Setting up mysql-client (5.5.22-0ubuntu1) ... dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured No apport report written because MaxReports is reached already Processing triggers for libc-bin ... ldconfig deferred processing now taking place Errors were encountered while processing: mysql-server-5.5 mysql-server E: Sub-process /usr/bin/dpkg returned an error code (1) A package failed to install. Trying to recover: Setting up mysql-server-5.5 (5.5.22-0ubuntu1) ... start: Job failed to start invoke-rc.d: initscript mysql, action "start" failed. dpkg: error processing mysql-server-5.5 (--configure): subprocess installed post-installation script returned error exit status 1 dpkg: dependency problems prevent configuration of mysql-server: mysql-server depends on mysql-server-5.5; however: Package mysql-server-5.5 is not configured yet. dpkg: error processing mysql-server (--configure): dependency problems - leaving unconfigured Errors were encountered while processing: mysql-server-5.5 mysql-server I am completely lost because I have tried everything on the web to solve my problem (clearning the install, reconfiguring with dpkg, manually editing the my.cnf). I also set up a new clean install but nothing helped. What am I doing wrong? New information: The file /var/log/upstart/mysql.log contains the following error after the installation: AppArmor parser error for /etc/apparmor.d/usr.sbin.mysqld in /etc/apparmor.d/tunables/global at line 17: Could not open 'tunables/proc'

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  • Windows 7 Desktop/Start Menu Redirection: Server O/S: Windows Server 2003 And Server 2008

    - by Moody Tech
    Hi, I am new here so I am might be asking a question which has already been answered [however I can't see it in the suggested answers above] I manage a network which is split into a parent domain and a child domain. Recently I have been looking at when to migrate to Windows 7. The child domain users [authenticated by the 2008 based (child) domain] get the redirected Desktop [as expected] but not the Start Menu. The parent domain users [authenticated by the 2003 based (parent) domain] get neither desktop nor Start Menu redirected. Does anyone here know how to successfully redirect the properties for these users as desired? Many thanks.

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  • Software Architecture: Quality Attributes

    Quality is what all software engineers should strive for when building a new system or adding new functionality. Dictonary.com ambiguously defines quality as a grade of excellence. Unfortunately, quality must be defined within the context of a situation in that each engineer must extract quality attributes from a project’s requirements. Because quality is defined by project requirements the meaning of quality is constantly changing base on the project. Software architecture factors that indicate the relevance and effectiveness The relevance and effectiveness of architecture can vary based on the context in which it was conceived and the quality attributes that are required to meet. Typically when evaluating architecture for a specific system regarding relevance and effectiveness the following questions should be asked.   Architectural relevance and effectiveness questions: Does the architectural concept meet the needs of the system for which it was designed? Out of the competing architectures for a system, which one is the most suitable? If we look at the first question regarding meeting the needs of a system for which it was designed. A system that answers yes to this question must meet all of its quality goals. This means that it consistently meets or exceeds performance goals for the system. In addition, the system meets all the other required system attributers based on the systems requirements. The suitability of a system is based on several factors. In order for a project to be suitable the necessary resources must be available to complete the task. Standard Project Resources: Money Trained Staff Time Life cycle factors that affect the system and design The development life cycle used on a project can drastically affect how a system’s architecture is created as well as influence its design. In the case of using the software development life cycle (SDLC) each phase must be completed before the next can begin.  This waterfall approach does not allow for changes in a system’s architecture after that phase is completed. This can lead to major system issues when the architecture for the system is not as optimal because of missed quality attributes. This can occur when a project has poor requirements and makes misguided architectural decisions to name a few examples. Once the architectural phase is complete the concepts established in this phase must move on to the design phase that is bound to use the concepts and guidelines defined in the previous phase regardless of any missing quality attributes needed for the project. If any issues arise during this phase regarding the selected architectural concepts they cannot be corrected during the current project. This directly has an effect on the design of a system because the proper qualities required for the project where not used when the architectural concepts were approved. When this is identified nothing can be done to fix the architectural issues and system design must use the existing architectural concepts regardless of its missing quality properties because the architectural concepts for the project cannot be altered. The decisions made in the design phase then preceded to fall down to the implementation phase where the actual system is coded based on the approved architectural concepts established in the architecture phase regardless of its architectural quality. Conversely projects using more of an iterative or agile methodology to implement a system has more flexibility to correct architectural decisions based on missing quality attributes. This is due to each phase of the SDLC is executed more than once so any issues identified in architecture of a system can be corrected in the next architectural phase. Subsequently the corresponding changes will then be adjusted in the following design phase so that when the project is completed the optimal architectural and design decision are applied to the solution. Architecture factors that indicate functional suitability Systems that have function shortcomings do not have the proper functionality based on the project’s driving quality attributes. What this means in English is that the system does not live up to what is required of it by the stakeholders as identified by the missing quality attributes and requirements. One way to prevent functional shortcomings is to test the project’s architecture, design, and implementation against the project’s driving quality attributes to ensure that none of the attributes were missed in any of the phases. Another way to ensure a system has functional suitability is to certify that all its requirements are fully articulated so that there is no chance for misconceptions or misinterpretations by all stakeholders. This will help prevent any issues regarding interpreting the system requirements during the initial architectural concept phase, design phase and implementation phase. Consider the applicability of other architectural models When considering an architectural model for a project is also important to consider other alternative architectural models to ensure that the model that is selected will meet the systems required functionality and high quality attributes. Recently I can remember talking about a project that I was working on and a coworker suggested a different architectural approach that I had never considered. This new model will allow for the same functionally that is offered by the existing model but will allow for a higher quality project because it fulfills more quality attributes. It is always important to seek alternatives prior to committing to an architectural model. Factors used to identify high-risk components A high risk component can be defined as a component that fulfills 2 or more quality attributes for a system. An example of this can be seen in a web application that utilizes a remote database. One high-risk component in this system is the TCIP component because it allows for HTTP connections to handle by a web server and as well as allows for the server to also connect to a remote database server so that it can import data into the system. This component allows for the assurance of data quality attribute and the accessibility quality attribute because the system is available on the network. If for some reason the TCIP component was to fail the web application would fail on two quality attributes accessibility and data assurance in that the web site is not accessible and data cannot be update as needed. Summary As stated previously, quality is what all software engineers should strive for when building a new system or adding new functionality. The quality of a system can be directly determined by how closely it is implemented when compared to its desired quality attributes. One way to insure a higher quality system is to enforce that all project requirements are fully articulated so that no assumptions or misunderstandings can be made by any of the stakeholders. By doing this a system has a better chance of becoming a high quality system based on its quality attributes

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  • SQL SERVER – Right Aligning Numerics in SQL Server Management Studio (SSMS)

    - by pinaldave
    SQL Server Management Studio is my most favorite tool and the comfort it provides to user is sometime very amazing. Recently I was retrieving numeric data in SSMS and I found it is very difficult to read them as they were all right aligned. Please pay attention to following image, you will notice that it is not easier to read the digits as we are used to read the numbers which are right aligned. I immediately thought before I go for any other tricks I should check the query properties. I right clicked on query properties and I found following option. I checked option Right align numeric values and it just worked fine. Do you have any other similar tricks which do you practice often. I prefer to also include column headers in the result set as it gives me proper perspective of which column I have selected. Sometime little tips like this helps a lot in productivity, I encourage you to share your tips. I will publish it with due credit. Reference: Pinal Dave (http://blog.sqlauthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Server Management Studio, SQL Tips and Tricks, T SQL, Technology

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