DROP INDEX

Function

DROP INDEX deletes an index.

Precautions

Only the owner of an index or a system administrator can run DROP INDEX command.

Syntax

1
2

DROP INDEX [ IF EXISTS ] 
    index_name [, ...] [ CASCADE | RESTRICT ];

Parameters

• IF EXISTS

  Sends a notice instead of an error if the specified index does not exist.

• index_name

  Specifies the name of the index to be deleted.

  Value range: An existing index.

• CASCADE | RESTRICT
  • CASCADE: automatically deletes all objects that depend on the index to be deleted.
  • RESTRICT (default): refuses to delete the index if any objects depend on it.

Examples

Delete the ds_ship_mode_t1_index2 index:

1

DROP INDEX tpcds.ds_ship_mode_t1_index2;

Helpful Links

ALTER INDEX, CREATE INDEX