Greg Larsen discusses the ROLLUP, CUBE and GROUPING SETS operators. These operators are used with the GROUP BY clause and allow you to create subtotals, grand totals and superset of subtotals. Read on to find out more about these additional GROUP BY operators.
Behaviour Driven Development (BDD) is not always clearly understood, and the term is particularly unfamiliar in database circles. Seb Rose introduces us to the fundamentals of BDD, and make some suggestions for how it might be relevant to database development.
A job Steve Jones has never heard of is using data to improve medical treatments.
How converting extensive, repetitive code to a data-driven approach resolved a maintenance headache and helped identify bugs
Next to the average and the median, there is another statistical value that you can calculate over a set: the mode. This is the value that appears the most often in the set. The average and the median are straight forward to calculate with T-SQL in SQL Server, but how can we determine the mode using T-SQL?
SQL Saturday is coming to Madison, Wisconsin on April 11th 2015. Join us for a free day of SQL Server training and networking and hear expert speakers like David Klee, Wendy Pastrick, and Jes Borland. Register while space is available.
Learn how to set colors for different connections in SSMS.
Where applications are evolved by gradually molding them to a growing understanding of the business domain, this presents great challenges to database development. If databases are designed too loosely, and initial errors are allowed to fester, the results become harder and harder to refactor until eventually they constitute a database time bomb. Thomas LeBlanc describes how to avoid a few basic, but very common, database time bombs.
This article shows a step by step tutorial to create a virtual machine in 15 min on Windows Azure.
By Steve Jones
One of the things I’ve been requesting for a number of years is cost...
By Steve Jones
“Don’t aim to have others like you; aim to have them respect you.” –...
Many years ago, before I joined Oracle, I was working on a major modernisation...
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When running DBCC CHECKDB on SQL Server 2025, can I include the Resource Database?
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