osx man page for drop_index

DROP 
INDEX(7)							   SQL Commands 						     DROP INDEX(7)

NAME

       DROP INDEX - remove an index

SYNOPSIS

       DROP INDEX [ IF EXISTS ] name [, ...] [ CASCADE | RESTRICT ]

DESCRIPTION

       DROP INDEX drops an existing index from the database system. To execute this command you must be the owner of the index.

PARAMETERS

       IF EXISTS
	      Do not throw an error if the index does not exist. A notice is issued in this case.

       name   The name (optionally schema-qualified) of an index to remove.

       CASCADE
	      Automatically drop objects that depend on the index.

       RESTRICT
	      Refuse to drop the index if any objects depend on it. This is the default.

EXAMPLES

       This command will remove the index title_idx:

       DROP INDEX title_idx;

COMPATIBILITY

       DROP INDEX is a PostgreSQL language extension. There are no provisions for indexes in the SQL standard.

SEE ALSO

       CREATE INDEX [create_index(7)]

SQL - Language Statements					    2010-05-14							     DROP INDEX(7)