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• Use BGInfo to Build a Database of System Information of Your Network Computers

  - by Sysadmin Geek

  One of the more popular tools of the Sysinternals suite among system administrators is BGInfo which tacks real-time system information to your desktop wallpaper when you first login. For obvious reasons, having information such as system memory, available hard drive space and system up time (among others) right in front of you is very convenient…

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• Rapid Repository – Silverlight Development

  - by SeanMcAlinden

  Hi All, One of the questions I was recently asked was whether the Rapid Repository would work for normal Silverlight development as well as for the Windows 7 Phone. I can confirm that the current code in the trunk will definitely work for both the Windows 7 Phone and normal Silverlight development. I haven’t tested V.1.0 for compatibility but…

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• MySQL per-database replication?

  - by LucasBr

  So, my problem is interesting: we want to migrate from one server to another. We made a master-slave replication, but my boss came with the idea to make migration one database at a time. So he asked me to setup at the new server another MySQL instance, let the slave almost as-is and make the new instance be the new master incrementally, one…

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• Sessions I Submitted to the PASS Summit 2010

  - by andyleonard

  Introduction I'm borrowing an idea and blog post title from Brent Ozar ( Blog - @BrentO ). I am honored the PASS Summit 2010 (Seattle, 8 - 11 Nov 2010) would consider allowing me to present. It's a truly awesome event. If you have an opportunity to attend and read this blog, please find me and introduce yourself. If you've built a cool…

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• Quickly revert an Oracle Database to a known state

  - by Anthony

  I would like to use Selenium to test a web application but in order to do that successfully the tests must be run against a database at a known state. The recording and running of the Selenium tests is not within the scope of this website so I'm only looking for recommendations on how best to revert the database after each test…

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• Should I move to an Azure database?

  - by Mike Flynn

  I am currently using a database from an installed instance on my web server in a VM on Azure. I was thinking about moving it to an actual Azure Database so I could load balance the web server. Does the Azure database work the same way as a straight install? Will it cost more or the same since I am just moving to a new server?…

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• A Primer on Migrating Oracle Applications to a New Platform

  - by Nick Quarmby

  In Support we field a lot of questions about the migration of Oracle Applications to different platforms.  This article describes the techniques available for migrating an Oracle Applications environment to a new platform and discusses some of the common questions that arise during migration.  This subject has been…

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• What do DBAs do?

  - by Jonathan Conway

  Yes, I know they administrate databases. I asked this question because I'd like to get a further insight into the kind of day-to-day duties a DBA might perform, and the real-world business problems they solve. For example: I optimized a 'products' query so that it ran 25% faster, which made the overall application…

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• Latest DSTv15 Timezone Patches Available for E-Business Suite

  - by Steven Chan

  If your E-Business Suite Release 11i or 12 environment is configured to support Daylight Saving Time (DST) or international time zones, it's important to keep your timezone definition files up-to-date. They were last changed in July 2010 and released as DSTv14. DSTv15 is now available and certified with Oracle …

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• Shrink Sql Server database

  - by hani

  My SQL Server 2008 database file (.mdf) file is nearly 24 MB but the log file grown upto 15 GB. If I want to shrink database what are the important points to take into consideration? Will shrink causes any index fragmentation and does it affect my database performance?

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• Advice on designing a robust program to handle a large library of meta-information & programs

  - by Sam Bryant

  So this might be overly vague, but here it is anyway I'm not really looking for a specific answer, but rather general design principles or direction towards resources that deal with problems like this. It's one of my first large-scale applications, and I would like to do it right. Brief Explanation My basic…

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• Installation of MS SQL Database 2005 on Windows XP Home Sp3 fails with no specific error

  - by PiotrK

  I am trying to install MS SQL Database 2005 on Windows XP Home SP3. It fails giving no reason ("Database failed to install"), then exits. I had already installed MS SQL Database Express Edition 2008 during 2005 setup. But when I removed 2008 one and tried to install 2005 afterwards it still failed with same…

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• Opening an oracle database crashes the service

  - by tundal45

  I am experiencing a weird issue with Oracle where the service started fine after a crash. The database mount went fine as well. However, when I issue alter database open; command, the database does not open, gives a generic cannot connect to the database error & crashes the service. Oracle support has…

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• problem with crating table on phpMyAdmin database

  - by tombull89

  Hello all, I'm running a phpMyAdmin Database on my web package on a 1and1-hosted server. I've managed to set up a database in the control panel, have uploaded all to root/phpmyadmin and changed the config.ini.php file to point at 1and1's database server (because that's the way they do it). I can go to the…

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• How to implement Comet in database side?

  - by Morgan Cheng

  I have been searched for this question for a long time. How to implement Comet in database side? To support Comet, we'd better have a web server stack that supports asynchronous operation. So, Apache is not a option. There are some open source web server such as tornado can do asynchronous http handling.…

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• Should all foreign table references use foreign key constraints

  - by TecBrat

  Closely related to: Foreign key restrictions -> yes or no? I asked a question on SO and it led me to ask this here. If I'm faced with a choice of having a circular reference or just not enforcing the restraint, which is the better choice? In my particular case I have customers and addresses. I want…

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• Is there a good, free, online database application?

  - by andygrunt

  Google docs doesn't have a database app (yet) but can anyone point me to a good, free, online substitute? It'll be for simple things like a database of my DVD collection and I'd want to be able to import/export using standard file formats and add/edit fields of existing databses. By the way, I'm not…

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• Relationships in a Chen ERD

  - by Nibroc A Rehpotsirhc

  I am working on a Chen ERD to model our organizations merchandise. Our central entity is a Style. We have supplemental entities of Color and Season. I am defining our assortment as the relationship between these three entities, and this relationship itself will have attributes and is defined by…

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• Why many designs ignore normalization in RDBMS?

  - by Yosi

  I got to see many designs that normalization wasn't the first consideration in decision making phase. In many cases those designs included more than 30 columns, and the main approach was "to put everything in the same place" According to what I remember normalization is one of the first, most…

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• DHCP server with database backend

  - by Cory J

  I have been looking around for something to replace my (ancient) ISC-DHCPd server. A DHCP server with a database backend sounds like a great idea to me, as I could then have a nice, friendly web interface to my server. Surprisingly, I can't any major open-source projects that offer this. …

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• Problem with creating table on phpMyAdmin database

  - by tombull89

  Hello all, I'm running a phpMyAdmin Database on my web package on a 1and1-hosted server. I've managed to set up a database in the control panel, have uploaded all to root/phpmyadmin and changed the config.ini.php file to point at 1and1's database server (because that's the way they do it).…

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• Keep user and user profile in different tables?

  - by Andrey

  I have seen in a couple of projects that developers prefer to keep essential user info in one table (email/login, password hash, screen name) and rest of the non essential user profile in another (creation date, country, etc). By non-essential I mean that this data is needed only…

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• How can you predict the time it will take for two processes in two different machines in a cluster to communicate?

  - by Dokkat

  I am trying to develop a computing application which needs a lot of memory (500gb). Buying a single machine for that is overly expensive. I can, though, buy ~100 small instances on Digital Ocean or similar, divide the memory in blocks and use TCP to emulate shared memory between…

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• Best approach for saving highlighted areas on geographical map.

  - by Mohsen

  I am designing an application that allow users to highlight areas of a geographical map using a tool that is like brush or a pen. The tool basically draw a circle with a single click and continue drawing those circles with move move. Here is an example of drawing made by moving…

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• Disk full, how to move mysql database files?

  - by kopeklan

  my database files located in /var/lib/mysql which located in partition /dev/sda5 this partition is full (refer here for details) so I'm going to move the location of database files from /var/lib/mysql to /home/lib/mysql What is the right way to move this database files? Im…

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