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Technical Article

Joining to the Next Sequential Row

One of the more obscure requirements that a developer may find themselves facing is the need to compare a row with its immediate sibling. One such case is when a list of values needs to be processed to produce a moving average or to smooth a sequence of statistical numbers where their order is important. For example, values lying along a time line. The solution is actually quite simple, but not immediately obvious.

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2008-04-10

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External Article

SQL Server Tracing: An Automated and Centralized Solution

When you are trying to pin down the cause of a problem with a SQL Server, there is probably going to come a time when you need to get 'trace' information. If you've ever done that, you'll know how easy it is to get overwhelmed by the detail. Here, Shawn McGehee shows how to get round the problem by capturing trace information on a schedule, filtering the captured information, and monitoring it from a central location.

2008-04-09

2,451 reads

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Question of the Day

PostgreSQL psql Meta Commands: Tables

Which of the following psql meta commands (also called backslash or slash commands) will provide information about tables within a database?

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