Summarizing data in a SELECT statement using a GROUP BY clause is a very common area of difficulty for beginning SQL programmers. In Part I of this two part series, we'll use a simple schema and a typical report request to cover the effect of JOINS on grouping and aggregate calculations, and how to use COUNT(Distinct) to overcome this.
2007-08-09
5,253 reads
Continuing on with his series and quest to educate us DBAs on the capabilities of SQL Server 2005 with regards to XML, Jacob Sebastian looks at the FOR XML EXPLICIT clause.
2007-08-08
12,091 reads
Analysis Services 2005 in SQL Server improves cube design and performance. Learn how attribute relationships advise Analysis Services how data should be rolled up.
2007-08-08
2,036 reads
Part 3 of this series describes the installation process of different versions of SQL Server 2005 Express Edition in more detail, including changes introduced in its Service Pack 2.
2007-08-08
1,991 reads
We've had more prizes donated for the raffle to raise money for Katie. See what you can win and support an IT family in need.
2007-08-07
1,938 reads
Ensuring that our careers grow is something that each of us must take charge of and Andy Warren brings us one of the ways in which you can do this: create a plan. Andy talks about how you can structure a plan at different stages of your career.
2007-08-07
5,348 reads
If you are using SSMS and SQL Server 2005 SP2, You've probably tried out the database reports that are available in the Performance Dashboard, and decided how useful they are, but did you know that you can create your own dashboard reports?
2007-08-07
2,541 reads
A new generation of computationally intensive scientific research projects relies on volunteers from around the world contributing idle computer time to calculate mathematical models. Many of these projects utilize a common architecture to manage the scheduling and distribution of calculations and collection of results from participants. User engagement is critical to the success of these projects, and feedback to participants illustrating their role in the project’s progress is known to increase interest and strengthen the community.
2007-08-07
2,040 reads
Building on his first article examining management of a large server farm, Mark Tierney brings us part 2 in which he examines the data gathering process.
2007-08-06
2,825 reads
AlarmPoint Enterprise automates alerting process and protects airport's massive information and communications network from business-impacting outages.
2007-08-06
1,471 reads
Introduction I was experimenting with vector search in SQL Server 2025 using approximately 3.8...
By Steve Jones
This is timely, as I’m currently on a boat in the Adriatic taking a...
You can find the slides and SQL scripts for my session “Spice up your...
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Comments posted to this topic are about the item PostgreSQL psql Meta Commands: Databases
Which of the following meta commands (sometimes called backslash or slash commands) within psql will provide you with information about the databases on the cluster?
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