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SQL – Exists
SQL Exists Keyword Table Of Contents: What Is SQL Exists Keyword? Syntax Of SQL Exists. Examples Of SQL Exists. (1) What Is SQL Exists Keyword? The EXISTS operator is used to look for the existence of a row in a given table that satisfies a set of criteria. It is a Boolean operator that compares the result of the subquery to an existing record and returns true or false. The returned value is true, if the subquery fetches single or multiple records and false if no record is matched. It is used in the combination of the subquery and checks
