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Results tagged with subquery
Search options questions only
not deleted
user 7214
SQL term used to describe when a `SELECT` statement is used as part of a larger SQL statement. The larger statement may be DML and is always found within brackets or parenthesis.
13
votes
4
answers
21k
views
MySQL subquery slows down drastically, but they work fine independently
Query 1:
select distinct email from mybigtable where account_id=345
takes 0.1s
Query 2:
Select count(*) as total from mybigtable where account_id=123 and email IN (<include all from above result …
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