DROP INDEX() SQL Commands DROP INDEX()NAME
DROP INDEX - Removes existing indexes from a database
SYNOPSIS
DROP INDEX index_name [, ...]
INPUTS
index_name
The name of an index to remove.
OUTPUTS
DROP The message returned if the command completes successfully.
ERROR: index "index_name" does not exist
This message occurs if index_name is not an index in the data‐
base.
DESCRIPTION
DROP INDEX drops an existing index from the database system. To execute
this command you must be the owner of the index.
NOTES
DROP INDEX is a Postgres language extension.
Refer to CREATE INDEX [create_index(l)] for information on how to cre‐
ate indexes.
USAGE
This command will remove the title_idx index:
DROP INDEX title_idx;
COMPATIBILITY
SQL92
SQL92 defines commands by which to access a generic relational data‐
base. Indexes are an implementation-dependent feature and hence there
are no index-specific commands or definitions in the SQL92 language.
SQL - Language Statements 29 March 2001 DROP INDEX()