Unsupported versions: 7.1

Historical version. PostgreSQL 7.1 has reached end of support. See the current manual.

4.9. Deletions

Deletions are performed using the DELETE command:

DELETE FROM weather WHERE city = 'Hayward';

All weather recording belonging to Hayward are removed. One should be wary of queries of the form

DELETE FROM tablename;

Without a qualification, DELETE will simply remove all rows from the given table, leaving it empty. The system will not request confirmation before doing this.

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