SQL : In SQL, why is "Distinct" not used in a subquery, when looking for some items "not showing up"
SQL : In SQL, why is "Distinct" not used in a subquery, when looking for some items "not showing up" in the other table?
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SQL : In SQL, why is "Distinct" not used in a subquery, when looking for some items "not showing up" in the other table?
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