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Welcome to Software Development on Codidact!

Will you help us build our independent community of developers helping developers? We're small and trying to grow. We welcome questions about all aspects of software development, from design to code to QA and more. Got questions? Got answers? Got code you'd like someone to review? Please join us.

Posts tagged notin

Subtag of sql

Use for SQL questions dealing with NOT IN operators (NOT logical operators unioned with IN comparison one).

This tag doesn't have a detailed wiki yet.

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Q&A Why would excluding records by creating a temporary table of their primary keys be faster than simply excluding by value?

I have two tables with millions of records. Every so often I need to join them and exclude just a handful of records where a bit(1) column is set to 1 instead of 0. I can do it with either, WHERE ...

2 answers  ·  posted 4y ago by Charlie Brumbaugh‭  ·  edited 3y ago by Alexei‭