DROP
INDEX(7) SQL Commands DROP INDEX(7)
NAME
DROP INDEX - remove an index
SYNOPSIS
DROP INDEX index_name [, ...] [ CASCADE | RESTRICT ]
INPUTS
index_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 there are any dependent objects. This is the default.
OUTPUTS
DROP INDEX
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 database.
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 PostgreSQL language extension.
Refer to CREATE INDEX [create_index(7)] for information on how to create 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 database. Indexes are an implementation-dependent feature and hence there
are no index-specific commands or definitions in the SQL92 language.
SQL - Language Statements 2002-11-22 DROP INDEX(7)