SQL
Syntax
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The `DELETE` statement removes rows from the table identified by the table-name.  
If the `WHERE` clause is not present, all records in the table are deleted. If a `WHERE` clause is supplied, then only those rows for which the `WHERE` clause results in true are deleted. Rows for which the expression is false or NULL are retained.  
The `USING` clause allows deleting based on the content of other tables or subqueries.