SQL WHERE: Difference between revisions
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=Conditions= | =Conditions= | ||
==<tt>NULL</tt> in Conditions== |
Revision as of 21:58, 23 May 2024
Internal
Overview
The WHERE
clause is the mechanism for filtering out unwanted data from the result set. The WHERE
clause can be used with SELECT
, UPDATE
and DELETE
, but not with INSERT
.
SELECT * FROM person WHERE person.name = 'Alice';
Filters, conditions, condition evaluation.