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• Introduction to Master Data Services in SQL Server 2008

  There are numerous databases housing the same information and it's getting quite difficult to keep everything in line. I've heard from a number of departments who want a more centralized approach to handling customer data, but I don't know where to begin. Can you steer me in the right direction?

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• A more reliable and more flexible sp_MSforeachdb

  - by AaronBertrand

  I've complained about sp_MSforeachdb before. In part of my "Bad Habits to Kick" series in 2009-10, I described how I worked around its sporadic inability to actually process all of the databases on an instance: http://sqlblog.com/blogs/aaron_bertrand/archive/2010/02/08/bad-habits-to-kick-relying-on-undocumented-behavior.aspx I lumped this in a "Bad Habit" category of relying on undocumented behavior, since - while the procedure does have rampant usage - it is, in fact, both undocumented and unsupported....(read more)

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• The SQL of Membership: Equivalence Classes & Cliques

  It is awkward to do 'Graph databases' in SQL to explore the sort of relationships and memberships in social networks because equivalence relations are classes (a set of sets) rather than sets. However one can explore graphs in SQL if the relationship has all three of the mathematical properties needed for an equivalence relationship. FREE eBook – "45 Database Performance Tips for Developers"Improve your database performance with 45 tips from SQL Server MVPs and industry experts. Get the eBook here.

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• SQL Server 2012 - New Service Broker Features

  SQL Server 2012 came with bells and whistles for service broker, that give you plenty reasons to start using service broker in your applications. Does your database ever get out of sync?SQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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• Why Use PHP on Your Website?

  PHP or the lengthy term known as Hypertext Preprocessor is a programming language used for creating or enhancing webpages. Most common use of PHP is with databases, but it does have many more uses. If you have a website and predict in the future multiple pages being added, PHP may be for you.

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• Transaction Replication Publisher failover to Mirror

  Transaction Replication Publisher failover/failback to mirror standby with automatic redirection of the subscriber and client application. Does your database ever get out of sync?SQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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• DAX Statistical Functions

  Following on from his first four articles on using Data Analysis Expressions (DAX) with tabular databases, Robert Sheldon dives into some of the DAX statistical functions available, demonstrating which are the most useful and examples of how they work. The seven tools in the SQL DBA Bundle support your core SQL Server database administration tasks.Make backups a breeze! Enjoy trouble-free troubleshooting! Make the most of monitoring! Download a free trial now.

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• Objects, Relationships, Systems, And Processes

  What is the difference between an expert DBA and a Master DBA? This piece from William Talada talks about Objects, Relationships, Systems, and Processes and how they may relate to your job as a DBA. Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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• Unicode in PostgreSQL 8.4

  - by user8382

  I installed the "postgresql-8.4" package with default options. Everything worked fine, however I can't seem to manage to create unicode databases: -- This doesn't work createdb test1 --encoding UNICODE -- This works createdb test2 The error message "createdb: database creation failed: ERROR: new encoding (UTF8) is incompatible with the encoding of the template database (SQL_ASCII)" is a bit puzzling because (afaik) I don't use a template for creating the new db, or is it implicitely referring to the default "postgres" database for some reason ? Or maybe I'm missing a setting in a .conf file ?

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• Oracle Magazine, September/October 2007

  Oracle Magazine September/October features articles on Oracle Database 11g, data security, Oracle embedded databases, Oracle Partitioning, Oracle SecureFiles, Oracle Migration Workbench, and much more.

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• Supporting Large Scale Team Development

  With a large-scale development of a database application, the task of supporting a large number of development and test databases, keeping them up to date with different builds can soon become ridiculously complex and costly. Grant Fritchey demonstrates a novel solution that can reduce the storage requirements enormously, and allow individual developers to work on thir own version, using a full set of data.

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• Change Data Capture - SQL Server 2008

  Change Data Capture (CDC) records DML operations performed on SQL tables and makes records available with information regarding what changed and when the change happened in a simple way. Compare and sync databases with SQL Compare“SQL Compare is fast, extremely easy to use, full-featured and affordable. I wouldn't bother messing around with anything else.” Adam Machanic, SQL Server MVP. Download a 14-day free trial.

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• Making a more reliable and flexible sp_MSforeachdb

  While the system procedure sp_MSforeachdb is neither documented nor officially supported, most SQL Server professionals have used it at one time or another. This is typically for ad hoc maintenance tasks, but many people (myself included) have used this type of looping activity in permanent routines. Sadly, I have discovered instances where, under heavy load and/or with a large number of databases, the procedure can actually skip multiple catalogs with no error or warning message. Since this situation is not easily reproducible, and since Microsoft typically has no interest in fixing unsupported objects, this may be happening in your environment right now

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• Check SQL Server Virtual Log Files Using PowerShell

  In a previous tip on Monitor Your SQL Server Virtual Log Files with Policy Based Management, we have seen how we can use Policy Based Management to monitor the number of virtual log files (VLFs) in our SQL Server databases. However, even with that most of the solutions I see online involve the creation of temporary tables and/or a combination of using cursors to get the total number of VLFs in a transaction log file. Is there a much easier solution?

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• Export images from a SQL Server Table to a Folder with SSIS

  Can I export images from SQL Server to a file in Windows? What SQL Server options are available to do so? Check out this tip to learn more. Keep your database and application development in syncSQL Connect is a Visual Studio add-in that brings your databases into your solution. It then makes it easy to keep your database in sync, and commit to your existing source control system. Find out more.

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• How to Document and Configure SQL Server Instance Settings

  Occasionally, when you install identical databases on two different SQL Server instances, they will behave in surprisingly different ways. Why? Most likely, it is down to different configuration settings. There are around seventy of these settings and the DBA needs to be aware of the effect that many of them have. Brad McGehee explains them all in enough detail to help with most common configuration problems, and suggests some best practices.

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• Database Activity Monitoring Part 1 - An Introduction

  We are inundated with new technologies and products designed to help make our organisations safe from hackers and other malcontents. One technology that has gained ground over the past few years is database activity monitoring. It makes sense to protect valuable databases, and by adding an intelligent monitor capable of sniffing out threats an additional level of protection can be gained. But what is database activity monitoring and why should you care?

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• Why is that SQL Server Instance under stress?

  There are several reliable indications, using SQL Queries, of what is causing SQL Server performance problems. Some of these are fairly obvious, but others aren't. Grant shows how you can get clues from any SQL Server as to the cause of stress. Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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• Exadata X3 launch webcast - Available on-demand

  - by Javier Puerta

  Available on-demand, this webcast covers everything partners need to know about Oracle’s next-generation database machine. You will learn how to improve performance by storing multiple databases in memory, lower power and cooling costs by 30%, and easily deploy a cloud based database service. Exadata X3 combines massive memory and low-cost disks to deliver the highest performance at the lowest cost. View here!

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• Developing a SSRS report using a SSAS Data Source

  After designing several SSRS reports based on regular relational databases, your boss would now like several new reports to be designed and rolled out to production based on your organization's SSAS OLAP cube. How do you get started with designing a report based on a cube? Get smart with SQL Backup ProGet faster, smaller backups with integrated verification.Quickly and easily DBCC CHECKDB your backups. Learn more.

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• Fixing "Errors found in text ID TEXT_ID..." Error Message

  DBCC CHECKDB is a repair command used by MS SQL Server users to detect and repair their corrupt databases. The command can be used with various parameters, such as, repair_rebuild and repair_allow_da... [Author: Mark Willium - Computers and Internet - May 13, 2010]

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• One Database or Ten?

  - by merrillaldrich

  In my career to date I’ve worked as a DBA for mainly “buy don’t build” scenarios. One advantage - and hair-graying problem, if I am honest - has been that I think I’ve seen upward of one or two hundred different ISV-provided applications’ SQL Server databases. It’s a great learning opportunity, as I can see successes and failures in a large variety of designs, and sort of “fast-forward” to version five or eight of a given design pattern to see things like whether it scales, or has storage problems,...(read more)

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• Using nmap to scan for SQL Servers on a network

  I need to try and find all SQL Servers, not just the ones in my domain. We know there are a couple of appliances that are potentially running SQL Server and we want to see them, too. What can I use to do this? Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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• Exploring Semantic Search Key Term Relevance

  SQL Server's 'Semantic Search' feature seemed an exciting feature when first shown. Was it really true that Microsoft had come up with a system to rival the industry-leaders, one that could extract the contextual meaning of terms in text, or automatically categorise the subject matter of text? On first inspection, it seems unlikely. Schedule Azure backupsRed Gate’s Cloud Services makes it simple to create and schedule backups of your SQL Azure databases to Azure blob storage or Amazon S3. Try it for free today.

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• Basics of SQL Server 2008 Locking

  Relational databases are designed for multiple simultaneous users, and Microsoft SQL Server is no different. However, supporting multiple users requires some form of concurrency control, which in SQL Server's case means transaction isolation and locking. Read on to learn how SQL Server 2008 implements locking.

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