December 28, 2012
CUBE was introduced in SQL Server 2005. When you use the CUBE operator it generates a result set of every possible combination from your set of columns; much like a CUBE would be generated if you were using analysis services. the CUBE operator isn’t something I’ve had to use much so I’ll show you an example. […]
October 18, 2012
Recently, I needed to find out the schema of a resultset returned by a Stored Procedure so I could pass some failing SQL Unit Tests. I needed to know the columns, the column order and exact datatypes. Without access to a client to run the procedure I needed a way to do this with just […]
August 22, 2012
I’ve recently put together an article on using SQL Test/tSQLt, which you can find here. However, I wanted to briefly talk about the alternatives as I see them. Before any commercial testing tools were around we could just use a combination of manual scripts that called procedures and used temporary tables to hold data. It […]
August 22, 2012
Any software/web developer worth hiring would tell you that Test Driven Development is important. Although it takes time to do properly, It can increase productivity as features tend to be developed with a clearer understanding of the problem and make changing business requirements much easier to implement. Importantly, your code quality will improve and there […]
August 15, 2012
I think it depends on your requirements, I’ve used a similar flag to indicate “active” records but this also had an automated process to move inactive records into a separate table so those operations could batched.
April 20, 2011
Let’s say you have a table that is ordered by a column but also contains a sequence number used for overiding the order sequence. This table may look something like this Now, this initially is populated in sequence like so: You can see I deliberately left a gap for item ‘D’. If I was to […]
June 24, 2010
SQL Server 2008 Spatial data; Applying a buffer or radius on a geometry using metres.