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
The Book of Redgate: Do the Right Things
By Steve Jones
I do believe that Redgate has been very customer focused since it’s inception. I’ve...
How to Connect to SQL Server When Nothing Else Works – DAC
By gbargsley
It's 2 AM. Your phone is going off. Users can't connect to the application,...
Get a Range of Sequence Values: #SQLNewBlogger
By Steve Jones
I discovered a procedure recently that I wasn’t aware of: sp_sequence_get_range. This post looks...
Forums
Let's Talk Community Events!
Comments posted to this topic are about the item Let's Talk Community Events!
that one limitation in replication
Hi as shown below a replication target requires a primary key. if we want...
Local Agents
Comments posted to this topic are about the item Local Agents
Question of the Day
Detecting Deadlocks
By default, how often is the SQL Server Database Engine checking for deadlocks?
See possible answers