The DELETE Statement

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The DELETE Statement

The DELETE Statement

  • A DELETE statement is used to remove data from a table.
  • A DELETE statement can be used to remove all of the rows from a table, but the TRUNCATE table statement is often preferable for this purpose.

Code Sample:

FROM regions 
WHERE region_name LIKE 'A%a%a';

--Use of the SELECT statement to limit the rows deleted...
DELETE FROM regions 
WHERE region_id IN (
	SELECT region_id 
	FROM regions 
	WHERE region_name LIKE 'A%a%a'

The criteria used in the initial query can be used to construct a DELETE statement using an IN clause in the case of complex queries.