Slowly changing dimensions using T-SQL MERGE
Of all the technical solutions to the problem of slowly changing dimensions, the T-SQL MERGE statement is one of the most elegant.
A Tale of Identifiers
Identifiers aren't locators, and they aren't pointers or links either. They are a logical concept in a relational database, and, unlike the more traditional methods of accessing data, don't derive from the way that data gets stored. Identifiers uniquely identify members of the set, and it should be possible to validate and verify them. Celko somehow involves watches and taxi cabs to illustrate the point.
SQL Saturday #82 - Indianapolis
Come to Indianapolis on June 25, 2011 for a free one day training event on SQL Server.
Multiple Failures
This Friday Steve Jones has a disaster recovery poll. When you have a true disaster, often there are multiple things that go wrong and cause a cascading failure. Is this common, let us know what your experience is this Friday.
SQL Server 2008 and 2008 R2 Integration Services - Consuming Web Services Using Script Task
Web services can be easily leveraged in SQL Server 2008 R2 Integration Services by employing Web Services Task.
Lessons Learned from a Large Virtualization Implementation
Microsoft recently asked me to provide a summary of my experience with being part of a large-scale virtualization project. This was my response.
Phrases that Resonate
Today we have a guest editorial from Andy Warren. Are there particular phrases that you use in technology that resonate with you and have particular meanings? Andy shares a few of his favorites.
Raw Materials - Cloud Computing, the Next Generation
The pros and cons of having computing power close at hand.
SQL Server 2008 R2 Analysis Services Operations Guide
This white paper describes how operations engineers can test, monitor, capacity plan, and troubleshoot Microsoft SQL Server Analysis Services OLAP solutions in SQL Server 2005, SQL Server 2008, and SQL Server 2008 R2.
Understanding Security
It is important for data professionals to understand security, but it's also important for end users that must handle data. However we have a lot of work to do to make that easier since Steve Jones thinks many IT pros struggle with this concept.
Blogs
Capturing My Own Metrics: #SQLNewBlogger
By Steve Jones
A customer was trying to compare two tables and capture a state as a...
Red Flags in Your Query (T-SQL Tuesday #200)
By Zikato
When I'm looking at a query, I bet it's bad if I see... a...
T-SQL Tuesday #200: When I Look at a Query …
By Steve Jones
This month is a milestone for T-SQL Tuesday. It’s number 200, which doesn’t sound...
Forums
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A Quick Second Opinion
Comments posted to this topic are about the item A Quick Second Opinion
Question of the Day
Checking the Error Log I
On my SQL Server 2025, I want to search the error log from my T-SQL code for potential issues and then inform an administrator. What is the current way to easily query the error log?
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