Open Source RDBMS - Seamless, Scalable, Stable and Free

한국어 | Login |Register

Versions available for this page: CUBRID 8.3.0 |  CUBRID 8.3.1 |  CUBRID 8.4.0 |  CUBRID 8.4.1 |  CUBRID 8.4.3 |  CUBRID 9.0.0 | 



You can delete an index defined for a column by using the DROP INDEX clause.


ALTER [ TABLE | CLASS ] table_name DROP [ REVERSE ] [ UNIQUE ] INDEX index_name

  • REVERSE: Specifies that the index to be dropped is a reverse index.
  • UNIQUE: Specifies that the index to be dropped is a unique index. The unique index can be dropped by using the DROP CONSTRAINT statement.
  • table_name: Specifies the name of a table of which constraints will be deleted.
  • index_name: Specifies the name of an index to be deleted.

ALTER TABLE a_tbl DROP INDEX i_a_tbl_age;