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#sqljoin — Public Fediverse posts

Live and recent posts from across the Fediverse tagged #sqljoin, aggregated by home.social.

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  1. Why does this SQL update lose rows?

    Why does this SQL update lose rows in a batch job. The SQL code updates a table using a join without a stable key, so duplicate matches overwrite the wrong rows. In SQL pipelines this silently corrupts data.

    #whatswrongwiththissqlquery #sqlbug #sqlproductionbug #sqldebugging #sqldatabase #sqlcodereview #sqlperformance #sqlreliability #sqlanalytics #sqldataintegrity #sqlengineering #sqlupdatebug #sqljoin #sqldat...

    youtube.com/watch?v=3qc8B1Hs3s4

  2. Why does this SQL update lose rows?

    Why does this SQL update lose rows in a batch job. The SQL code updates a table using a join without a stable key, so duplicate matches overwrite the wrong rows. In SQL pipelines this silently corrupts data.

    #whatswrongwiththissqlquery #sqlbug #sqlproductionbug #sqldebugging #sqldatabase #sqlcodereview #sqlperformance #sqlreliability #sqlanalytics #sqldataintegrity #sqlengineering #sqlupdatebug #sqljoin #sqldat...

    youtube.com/watch?v=3qc8B1Hs3s4

  3. How to Master SQL Joins | HackerNoon

    Various SQL join types with clear explanations and practical examples

    hackernoon.com/how-to-master-s