Any DBA who is trying to find the cause of an intermittent problem with a server or database dreams of being able to use a query or procedure take a snap of the relevant variables at the point when the problem occurred. Laerte takes an example of a slow-running query hogging resources to show that you can run queries when a WMI alert is fired, and save the results for later inspection, whenever it happens.
Sometimes there is a need to find if a string value exists in any column in your table. Although there are system stored procedures that do a "for each database" or a "for each table", there is not a system stored procedure that does a "for each column".
What's your favorite productivity tool when writing SQL? Phil Factor has has flirted with most of them, from templates and snippets to a programmer's clipboard and back again.
This article will explain how to fix "The Instance ID 'MSSQLSERVER' Is Already In Use By SQL Server Instance 'MSSQLSERVER.INACTIVE'
Error.
You probably shouldn't be doing this, but if you need to, Brent Ozar has a script for that.
Email addresses are very prevalent in IT systems and often used as a natural primary key. The repetitive storage of email addresses in multiple tables is a bad design choice. Following is a design pattern to store email addresses in a single table and to retrieve them efficiently.
Microsoft changed some things in SQL Server 2017 in response to community requests. Steve Jones is asking for more.
It is not just the analytic power of R that you get from using SQL Server R Services, but also the great range of packages that can be run in R that provide a daunting range of graphing and plotting facilities. Robert Sheldon shows how you can take data held in SQL Server and, via SQL Server R Services, use an R package called ggPlot that offers a powerful graphics language for creating elegant and complex plots.
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Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
How do I easily get the next 12 sequence values from a sequence object?
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