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  • Visual Studio 2010 and SQLCLR: Some Good, Some Bad

    - by Adam Machanic
    This past week I've been trying out Visual Studio 2010 for SQLCLR development. Verdict: A couple of nice things, a couple not so nice. In the interest of keeping things somewhat positive around here, we'll start with the good stuff : Pre-deployment and post-deployment scripts are built in. This is great, especially if you're working with features such as ordered TVFs, which Visual Studio 2008 never properly supported. In 2010 you can stick the ALTER FUNCTION in a post-deployment script and you'll...(read more)

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  • An XEvent a Day (8 of 31) – Targets Week – synchronous_event_counter

    - by Jonathan Kehayias
    Yesterday’s post, Targets Week - Bucketizers , looked at the bucketizer Targets in Extended Events and how they can be used to simplify analysis and perform more targeted analysis based on their output.  Today’s post will be fairly short, by comparison to the previous posts, while we look at the synchronous_event_counter target, which can be used to test the impact of an Event Session without actually incurring the cost of Event collection. What is the synchronous_event_counter? The synchronous_event_count...(read more)

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  • World Class Training For Them, an Amazon Gift Certificate For You

    - by Adam Machanic
    We have just two weeks to go before Paul Randal and Kimberly Tripp touch down in the Boston area to deliver their famous SQL Server Immersions course . This is going to be a truly fantastic SQL Server learning experience and we're hoping a few more people will join in the fun. This is where you come in: we have a few vacant seats remaining and we need your help spreading the word. Simply tell your friends and colleagues about the course and e-mail me (adam [at] bostonsqltraining [dot] com) the names...(read more)

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  • Reducing Oracle LOB Memory Use in PHP, or Paul's Lesson Applied to Oracle

    - by christopher.jones
    Paul Reinheimer's PHP memory pro tip shows how re-assigning a value to a variable doesn't release the original value until the new data is ready. With large data lengths, this unnecessarily increases the peak memory usage of the application. In Oracle you might come across this situation when dealing with LOBS. Here's an example that selects an entire LOB into PHP's memory. I see this being done all the time, not that that is an excuse to code in this style. The alternative is to remove OCI_RETURN_LOBS to return a LOB locator which can be accessed chunkwise with LOB->read(). In this memory usage example, I threw some CLOB rows into a table. Each CLOB was about 1.5M. The fetching code looked like: $s = oci_parse ($c, 'SELECT CLOBDATA FROM CTAB'); oci_execute($s); echo "Start Current :" . memory_get_usage() . "\n"; echo "Start Peak : " .memory_get_peak_usage() . "\n"; while(($r = oci_fetch_array($s, OCI_RETURN_LOBS)) !== false) { echo "Current :" . memory_get_usage() . "\n"; echo "Peak : " . memory_get_peak_usage() . "\n"; // var_dump(substr($r['CLOBDATA'],0,10)); // do something with the LOB // unset($r); } echo "End Current :" . memory_get_usage() . "\n"; echo "End Peak : " . memory_get_peak_usage() . "\n"; Without "unset" in loop, $r retains the current data value while new data is fetched: Start Current : 345300 Start Peak : 353676 Current : 1908092 Peak : 2958720 Current : 1908092 Peak : 4520972 End Current : 345668 End Peak : 4520972 When I uncommented the "unset" line in the loop, PHP's peak memory usage is much lower: Start Current : 345376 Start Peak : 353676 Current : 1908168 Peak : 2958796 Current : 1908168 Peak : 2959108 End Current : 345744 End Peak : 2959108 Even if you are using LOB->read(), unsetting variables in this manner will reduce the PHP program's peak memory usage. With LOBS in Oracle DB there is also DB memory use to consider. Using LOB->free() is worthwhile for locators. Importantly, the OCI8 1.4.1 extension (from PECL or included in PHP 5.3.2) has a LOB fix to free up Oracle's locators earlier. For long running scripts using lots of LOBS, upgrading to OCI8 1.4.1 is recommended.

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  • Getting It Right The First Time

    - by andyleonard
    Introduction This post is the seventeenth part of a ramble-rant about the software business. The current posts in this series are: Goodwill, Negative and Positive Visions, Quests, Missions Right, Wrong, and Style Follow Me Balance, Part 1 Balance, Part 2 Definition of a Great Team The 15-Minute Meeting Metaproblems: Drama The Right Question Software is Organic, Part 1 Metaproblem: Terror I Don't Work On My Car A Turning Point Human Doings Everything Changes This post is about getting software right...(read more)

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  • An XEvent a Day (1 of 31) – An Overview of Extended Events

    - by Jonathan Kehayias
    First introduced in SQL Server 2008, Extended Events provided a new mechanism for capturing information about events inside the Database Engine that was both highly performant and highly configurable. Designed from the ground up with performance as a primary focus, Extended Events may seem a bit odd at first look, especially when you compare it to SQL Trace. However, as you begin to work with Extended Events, you will most likely change how you think about tracing problems, and will find the power...(read more)

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  • Don’t forget the London SQL Social tomorrow evening - all things SQL Server and beyond

    - by simonsabin
    Its not too late to register for the SQLSocial event in London on Tuesday (7th June, tomorrow). This is a must attend event for anyone that wants to know what’s coming with SQL Server in the next release or are considering SQL Azure. You can register here http://sqlsocial20110607.eventbrite.com/ For full details of the event go to http://www.sqlsocial.com/Events/11-05-09/An_evening_with_the_SQL_Server_Leadership_Team.aspx...(read more)

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  • New iPad Ad from Apple – Impressive

    - by Gopinath
    If someone want inspiration in marketing, look at Apple advertisements. Just like their products the ads are also "magical, revolutionary". Here is a  new iPad video advertisement from Apple Join us on Facebook to read all our stories right inside your Facebook news feed.

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  • An XEvent a Day (6 of 31) – Targets Week – asynchronous_file_target

    - by Jonathan Kehayias
    Yesterday’s post, Targets Week - ring_buffer , looked at the ring_buffer Target in Extended Events and how it outputs the raw Event data in an XML document.  Today I’m going to go over the details of the other Target in Extended Events that captures raw Event data, the asynchronous_file_target. What is the asynchronous_file_target? The asynchronous_file_target holds the raw format Event data in a proprietary binary file format that persists beyond server restarts and can be provided to another...(read more)

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  • How to add a c file to be compiled with a package

    - by Ahmed
    I want to add a file hstest.c which comes with bluez package but not by default added to the makefile to the sources that are compiled with the buid system. I read about makefiles and autotools but now I am hesitant to make changes to the makefiles. Should I modify the makefile.am and then run automake or just change the makefile.in or the makefile itself ? and how ? config script Makefile.am Makefile Makefile.in

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  • An XEvent a Day (2 of 31) – Querying the Extended Events Metadata

    - by Jonathan Kehayias
    In yesterdays post, An Overview of Extended Events , I provided some of the necessary background for Extended Events that you need to understand to begin working with Extended Events in SQL Server. After receiving some feedback by email (thanks Aaron I appreciate it), I have changed the post naming convention associated with the post to reflect “2 of 31” instead of 2/31, which apparently caused some confusion in Paul Randal’s and Glenn Berry’s series which were mentioned in the round up post for...(read more)

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  • Daily tech links for .net and related technologies - Mar 26-28, 2010

    - by SanjeevAgarwal
    Daily tech links for .net and related technologies - Mar 26-28, 2010 Web Development Creating Rich View Components in ASP.NET MVC - manzurrashid Diagnosing ASP.NET MVC Problems - Brad Wilson Templated Helpers & Custom Model Binders in ASP.NET MVC 2 - gshackles The jQuery Templating Plugin and Why You Should Be Excited! - Chris Love Web Deployment Made Awesome: If You're Using XCopy, You're Doing It Wrong - Scott Hansleman Dynamic User Specific CSS Selection at Run Time - Misfit Geek Sending email...(read more)

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  • Converting From CommunityServer to DotNetNuke Intro

    - by Chris Hammond
    ( originally posted on DNNDaily ) So I have been trying to figure out how best to do this blog post for a while now, though I think I will be better off doing it as a series of blog posts rather than one individual one. So this post will be the starting point for the conversion. I will update it with links to the other blog posts in the series as they get created and added. Background (all in my opinion and based on my memory, as inaccurate as that may be) : Back in the early days of ASP.NET there...(read more)

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  • A wee bit exhausted… time to reenergize

    - by drsql
    I admit it. I am tired and I have not blogged nearly enough. This has been a crazy year, with the book I finished writing , the pre-cons I have done (teaching is NOT my primary profession so I do a lot more prep than some others probably do), lots of training on Data Warehousing topics (from Ralph Kimball, Bob Becker, and Stacia Misner, to name three of the great teachers I have had), SQL Rally, SQL PASS, SQL Saturdays and I have gotten a lot more regular with my simple-talk blog as well… Add to...(read more)

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  • Microsoft UX Kit

    - by Josh Holmes
    Have you ever wondered what was possible with Silverlight, WPF or any of Microsoft’s User Experience (UX) technologies? Well, Christian Thilmany has answered that question in the form of the Microsoft UX Kit. Read more at Microsoft UX Kit | Josh Holmes

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  • Daily tech links for .net and related technologies - Apr 15-18, 2010

    - by SanjeevAgarwal
    Daily tech links for .net and related technologies - Apr 15-18, 2010 Web Development Guarding against CSRF Attacks in ASP.NET MVC2 - Scott Kirkland Same Markup: Writing Cross-Browser Code - Tony Ross Introducing Machine.Specifications.Mvc - James Broome ASP.NET 4 - Breaking Changes and Stuff to be Aware of - Scott Hanselman JSON Hijacking in ASP.NET MVC 2 - Matt Easy And Safe Model Binding In ASP.NET MVC - Justin Etheredge MVC Portable Areas Enhancement - Embedded Resource Controller - Steve Michelotti...(read more)

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  • Transcript: Andrew Tridgell on Patent Defence

    <b>ESP Software Patents News:</b> "The following is a transcript of a talk given in New Zealand, 2010. Andrew Tridgell discusses why reading patents is usually a good idea, how to read a patent, and how to work through it with a lawyer to build a solid defence."

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  • Spatial data in the UK

    - by simonsabin
    I am just loving the fact that the Ordance Survey has now released a huge amount of data that can be used freely. I’ve downloaded the Panorama (tm) data http://www.ordnancesurvey.co.uk/oswebsite/products/land-form-panorama-contours/index.html . which is all the contours for the UK This I’ve loaded into SQL Server using Safe Computing’s FME ( http://www.safe.com/ ). This is because the data is a Autocad DXF file and translating that to SQL Server spatial data is not easy. The FME workbench is not...(read more)

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  • 1 Million IOPS

    - by GrumpyOldDBA
    As a keen follower of storage performance I couldn't help but be drawn to this article in The Register http://www.theregister.co.uk/2010/04/14/lsi_million_iops/ this morning. I gave my 5 year old laptop a new lease of life with a SSD and in combination with the old drive made external managed to reduce the time of a demo query from 50 odd mins down to 6 mins. I also have 4 Silicon Power 32GB SSDs set up as a raid 0 on my home server, an overblown PC. http://www.futurestorage.co.uk/index.asp?selmanuf...(read more)

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  • How to recover dpkg from corrupted downloads?

    - by rocker9455
    I just upgraded to the 10.10 RC earlier and had a few problems with graphic drivers (x didnt start) But i have remedied that now. When i run 'sudo apt-get install -f' i get this: will@UbuntuBox:/mnt/slax$ sudo apt-get install -f [sudo] password for will: Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: libmono-wcf3.0-cil openoffice.org-calc openoffice.org-core The following NEW packages will be installed: libmono-wcf3.0-cil The following packages will be upgraded: openoffice.org-calc openoffice.org-core 2 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. 16 not fully installed or removed. Need to get 0B/32.5MB of archives. After this operation, 1,929kB disk space will be freed. Do you want to continue [Y/n]? Y (Reading database ... 201565 files and directories currently installed.) Preparing to replace openoffice.org-calc 1:3.2.1-6ubuntu2~10.04.1 (using .../openoffice.org-calc_1%3a3.2.1-7ubuntu1_i386.deb) ... Unpacking replacement openoffice.org-calc ... xz: (stdin): Compressed data is corrupt dpkg-deb: subprocess <decompress> returned error exit status 1 dpkg: error processing /var/cache/apt/archives/openoffice.org-calc_1%3a3.2.1-7ubuntu1_i386.deb (--unpack): short read on buffer copy for backend dpkg-deb during `./usr/lib/openoffice/basis3.2/program/libscfiltli.so' dpkg: regarding .../openoffice.org-core_1%3a3.2.1-7ubuntu1_i386.deb containing openoffice.org-core: openoffice.org-core conflicts with openoffice.org-calc (<< 1:3.2.1-7ubuntu1) openoffice.org-calc (version 1:3.2.1-6ubuntu2~10.04.1) is present and installed. dpkg: error processing /var/cache/apt/archives/openoffice.org-core_1%3a3.2.1-7ubuntu1_i386.deb (--unpack): conflicting packages - not installing openoffice.org-core Unpacking libmono-wcf3.0-cil (from .../libmono-wcf3.0-cil_2.6.7-3ubuntu1_all.deb) ... dpkg-deb (subprocess): data: internal gzip read error: '<fd:0>: data error' dpkg-deb: subprocess <decompress> returned error exit status 2 dpkg: error processing /var/cache/apt/archives/libmono-wcf3.0-cil_2.6.7-3ubuntu1_all.deb (--unpack): subprocess dpkg-deb --fsys-tarfile returned error exit status 2 Errors were encountered while processing: /var/cache/apt/archives/openoffice.org-calc_1%3a3.2.1-7ubuntu1_i386.deb /var/cache/apt/archives/openoffice.org-core_1%3a3.2.1-7ubuntu1_i386.deb /var/cache/apt/archives/libmono-wcf3.0-cil_2.6.7-3ubuntu1_all.deb E: Sub-process /usr/bin/dpkg returned an error code (1) Any idea how i can get the broken packages fixed? Cheers, Will

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  • Mercurial Conversion from Team Foundation Server

    - by mhawley
    I’m using Twitter. Follow me @matthawley One of my many (almost) daily tasks when working on the CodePlex platform since releasing Mercurial as a supported version control system, is converting projects from Team Foundation Server (TFS) to Mercurial. I'm happy to say that of all the conversions I have done since mid-January, the success rate of migrating full source history is about 95%. To get to this success point, I have had to learn and refine several techniques utilizing a few different tools… (read more)

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  • Developer’s Life – Disaster Lessons – Notes from the Field #039

    - by Pinal Dave
    [Note from Pinal]: This is a 39th episode of Notes from the Field series. What is the best solution do you have when you encounter a disaster in your organization. Now many of you would answer that in this scenario you would have another standby machine or alternative which you will plug in. Now let me ask second question – What would you do if you as an individual faces disaster?  In this episode of the Notes from the Field series database expert Mike Walsh explains a very crucial issue we face in our career, which is not technical but more to relate to human nature. Read on this may be the best blog post you might read in recent times. Howdy! When it was my turn to share the Notes from the Field last time, I took a departure from my normal technical content to talk about Attitude and Communication.(http://blog.sqlauthority.com/2014/05/08/developers-life-attitude-and-communication-they-can-cause-problems-notes-from-the-field-027/) Pinal said it was a popular topic so I hope he won’t mind if I stick with Professional Development for another of my turns at sharing some information here. Like I said last time, the “soft skills” of the IT world are often just as important – sometimes more important – than the technical skills. As a consultant with Linchpin People – I see so many situations where the professional skills I’ve gained and use are more valuable to clients than knowing the best way to tune a query. Today I want to continue talking about professional development and tell you about the way I almost got myself hit by a train – and why that matters in our day jobs. Sometimes we can learn a lot from disasters. Whether we caused them or someone else did. If you are interested in learning about some of my observations in these lessons you can see more where I talk about lessons from disasters on my blog. For now, though, onto how I almost got my vehicle hit by a train… The Train Crash That Almost Was…. My family and I own a little schoolhouse building about a 10 mile drive away from our house. We use it as a free resource for families in the area that homeschool their children – so they can have some class space. I go up there a lot to check in on the property, to take care of the trash and to do work on the property. On the way there, there is a very small Stop Sign controlled railroad intersection. There is only two small freight trains a day passing there. Actually the same train, making a journey south and then back North. That’s it. This road is a small rural road, barely ever a second car driving in the neighborhood there when I am. The stop sign is pretty much there only for the train crossing. When we first bought the building, I was up there a lot doing renovations on the property. Being familiar with the area, I am also familiar with the train schedule and know the tracks are normally free of trains. So I developed a bad habit. You see, I’d approach the stop sign and slow down as I roll through it. Sometimes I’d do a quick look and come to an “almost” stop there but keep on going. I let my impatience and complacency take over. And that is because most of the time I was going there long after the train was done for the day or in between the runs. This habit became pretty well established after a couple years of driving the route. The behavior reinforced a bit by the success ratio. I saw others doing it as well from the neighborhood when I would happen to be there around the time another car was there. Well. You already know where this ends up by the title and backstory here. A few months ago I came to that little crossing, and I started to do the normal routine. I’d pretty much stopped looking in some respects because of the pattern I’d gotten into.  For some reason I looked and heard and saw the train slowly approaching and slammed on my brakes and stopped. It was an abrupt stop, and it was close. I probably would have made it okay, but I sat there thinking about lessons for IT professionals from the situation once I started breathing again and watched the cars loaded with sand and propane slowly labored down the tracks… Here are Those Lessons… It’s easy to get stuck into a routine – That isn’t always bad. Except when it’s a bad routine. Momentum and inertia are powerful. Once you have a habit and a routine developed – it’s really hard to break that. Make sure you are setting the right routines and habits TODAY. What almost dangerous things are you doing today? How are you almost messing up your production environment today? Stop doing that. Be Deliberate – (Even when you are the only one) – Like I said – a lot of people roll through that stop sign. Perhaps the neighbors or other drivers think “why is he fully stopping and looking… The train only comes two times a day!” – they can think that all they want. Through deliberate actions and forcing myself to pay attention, I will avoid that oops again. Slow down. Take a deep breath. Be Deliberate in your job. Pay attention to the small stuff and go out of your way to be careful. It will save you later. Be Observant – Keep your eyes open. By looking around, observing the situation and understanding what your servers, databases, users and vendors are doing – you’ll notice when something is out of place. But if you don’t know what is normal, if you don’t look to make sure nothing has changed – that train will come and get you. Where can you be more observant? What warning signs are you ignoring in your environment today? In the IT world – trains are everywhere. Projects move fast. Decisions happen fast. Problems turn from a warning sign to a disaster quickly. If you get stuck in a complacent pattern of “Everything is okay, it always has been and always will be” – that’s the time that you will most likely get stuck in a bad situation. Don’t let yourself get complacent, don’t let your team get complacent. That will lead to being proactive. And a proactive environment spends less money on consultants for troubleshooting problems you should have seen ahead of time. You can spend your money and IT budget on improving for your customers. If you want to get started with performance analytics and triage of virtualized SQL Servers with the help of experts, read more over at Fix Your SQL Server. Reference: Pinal Dave (http://blog.sqlauthority.com)Filed under: Notes from the Field, PostADay, SQL, SQL Authority, SQL Query, SQL Server, SQL Tips and Tricks, T SQL

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  • Design Book– Third Section (Implementing the Database)

    - by drsql
    The third section is the primary section that a person who has some decent knowledge and experience doing design will likely really find exciting. Whereas the first half of the book is there for fundamentals, this section is more skills based, and unless you are a walking encyclopedia of SQL Server syntax (and I am not), you have to use some form of reference to discover how to implement different sorts of problems using DDL, including Triggers, Constraints, etc;  Security; Source Control, etc....(read more)

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  • Silverlight Cream for March 20, 2010 -- #815

    - by Dave Campbell
    In this Issue: Andy Beaulieu(-2-, -3-), Alex Golesh, Damian Schenkelman, Adam Kinney(-2-), Jeremy Likness, Laurent Bugnion, and John Papa. Shoutouts: Adam Kinney has a good summary up of where to go for all the tools and toys: Install checklist for Silverlight 4 RC, Blend 4 Beta and Windows Phone Developer tools from MIX10 ... tons of links Laurent Bugnion had a few announcements at MIX10: MVVM Light V3 released at #MIX10, and he followed that with What’s new in MVVM Light V3 ... now for Windows Phone! Laurent Bugnion also has announced Sample code for my #mix10 talk online From SilverlightCream.com: Physics Games in Silverlight on Windows Phone 7 Andy Beaulieu has the Physics Helper working for WP7 already... read his post, check out all the links and get going on something fun... was great seeing you at MIX, too, Andy! Silverlight 4: GPU Accelerated PlaneProjection Andy Beaulieu has a comparison up of Plane Projection with and without the new GPU acceleration... be sure to read his notes section. Silverlight 4 PathListBox for Motion Path Animation Have you heard of the PathListBox? Well, showing is better than telling, so check out Andy Beaulieu's post on it Silverlight at Windows Phone 7 Alex Golesh has a quick overview on developing a Windows Phone 7 app in Silverlight using the new toys, and executiting it in the emulator Prism v2.1: Creating a Region Adapter for the Accordion control Damian Schenkelman shows how to use the Accordian control from the toolkit as a region in a Prism app. Expression Blend 4 Beta Feature Overview available for download Adam Kinney announced the presence of an Expression Blend whitepaper as well... you should go grab that too .toolbox – Free online Silverlight and Expression Blend training Want to improve your Silverlight chops or gain some Expression Blend chops? Check out .toolbox post that Adam Kinney posted Introducing the Visual State Aggregator Jeremy Likness describes the basic panel A/panel B problem, describes ways he and other folks have flipped between them, then describes his Visual State Aggregator ... and it's downloadable for you to give it a dance! Multithreading in Windows Phone 7 emulator: A bug Laurent Bugnion found a bug wit multi-threading on the Windows Phone emulator. He confirmed this with the team, and has a workaround you'll be needing... thanks Laurent. Silverlight Overview - Technical Whitepaper John Papa has reiterated the existence of this Silverlight 4 whitepaper ... it was updated this week, and we all should be aware of it. Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • Remove page flicker in IE8

    - by webbes
    In this pet project of mine I have two large background images. Unfortunately this means that IE will display a nasty page flicker on each request. Implementing AJAX for getting rid of it, is overkill. I solved this in a different way....(read more)

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