Provided by: postgresql-client-8.0_8.0.7-2build1_i386
TRUNCATE - empty a table
TRUNCATE [ TABLE ] name
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.
name The name (optionally schema-qualified) of the table to be
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.
Truncate the table bigtable:
TRUNCATE TABLE bigtable;
There is no TRUNCATE command in the SQL standard.