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andreabergia.com
| | 36chambers.wordpress.com
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| | This is part seven in a series on window functions in SQL Server. The Road So Far To this point, we've looked at five classes of window function in SQL Server. I've given you a couple of solid use cases, but for the most part, we've focused on what the classes of window functions are....
| | vickiboykis.com
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| | *Updated with comments from MySQL at end of post. * I've worked with a lot of the different flavors of SQL, including Oracle, SQL Server, Postgres, and SQLite, so I thought I knew all nuances of different SQL syntaxes. But I've recently been working with a project that's using a LAMP stack, so I've gotten a lot more understanding of the MySQL's caveats. I'm working on some data manipulation that requires window functions in MySQL, and I learned the hard way that MySQL doesn't support them.
| | barneylawrence.com
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| | FIRST_VALUE and LAST_VALUE had limited uses when they were first released to the world back in 2012, but with the introduced of the ability to ignore nulls in SQL Server 2022 they become a lot more useful. Let's take a look at some examples of why.
| | chasingaphrodite.com
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| https://www.youtube.com/watch?v=mFVT1WZrTjo