TRUNCATE()			 SQL Commands			    TRUNCATE()



NAME
       TRUNCATE - empty a table or set of tables


SYNOPSIS
       TRUNCATE [ TABLE ] name [, ...]


DESCRIPTION
       TRUNCATE quickly removes all rows from a set of tables. It has the same
       effect as an unqualified DELETE on each table, but since	 it  does  not
       actually	 scan  the  tables  it is faster. This is most useful on large
       tables.

PARAMETERS
       name   The name (optionally schema-qualified) of a table	 to  be	 trun-
	      cated.

NOTES
       Only the owner of a table may TRUNCATE it.

       TRUNCATE cannot be used on a table that has foreign-key references from
       other tables, unless all such tables are also  truncated	 in  the  same
       command. 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 tables.

EXAMPLES
       Truncate the tables bigtable and fattable:

       TRUNCATE TABLE bigtable, fattable;


COMPATIBILITY
       There is no TRUNCATE command in the SQL standard.



SQL - Language Statements	  2010-12-14			    TRUNCATE()