Study/Devops-exercises
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Devops-exercises/topics/sql/improve_query.md
abregman 99c4e02ecf Rename exercises dir 
Name it instead "topics" so it won't be
strange if some topics included "exercises" directory.
2022-08-02 01:53:56 +03:00

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Comparisons vs. Functions

  1. Improve the following query
SELECT count(*)
FROM shawarma_purchases
WHERE
  YEAR(purchased_at) == '2017'