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boringsql.com | ||
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sqlserverfast.com
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| | | | | I skipped the last two T-SQL Tuesdays. But this month, I will participate again. The monthly blog party is once more hosted by Steve Jones. His chosen topic is: Window Functions. In his invitation, Steve specifically asks for examples where Window functions provided a neat solution to a real world problem. Well, sorry Steve, but... | |
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andreabergia.com
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| | | | | As we have seen in the previous part, window functions are an usefull tool to solve a lot of SQL problems with great performances. Lets see some more tricks. LAG and LEAD revised We have already discussed the window functions LAG and LEAD. As we have said, they are used to get respectively the previous or next value in the window. What we havent mentioned is that you can not only take the previous, but also the record before (or after) it and so on. | |
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pbidax.wordpress.com
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| | | | | The December 2022 release of Power BI Desktop includes three new DAX functions: OFFSET, INDEX, and WINDOW. They are collectively called window functions because they are closely related to SQL window functions, a powerful feature of the SQL language that allows users to perform calculations on a set of rows that are related to the... | |
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perfectpath.co.uk
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| | | 1 post published by Lloyd Davis on November 16, 2024 | ||
