TRUNCATENameTRUNCATE -- empty a table SynopsisTRUNCATE [ TABLE ] name Description TRUNCATE quickly removes all rows from a
table. It has the same effect as an unqualified
DELETE but since it does not actually scan the
table, it is faster. This is most useful on large tables.
Parameters- name
The name (optionally schema-qualified) of the table to be truncated.
Notes TRUNCATE cannot be used if there are foreign-key references
to the table from other tables. Checking validity in such cases would
require table scans, and the whole point is not to do one.
TRUNCATE will not run any user-defined ON
DELETE triggers that might exist for the table.
Examples Truncate the table bigtable:
TRUNCATE TABLE bigtable;
Compatibility There is no TRUNCATE command in the SQL standard.
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