Description #

The DROP MASK RULE syntax is used to drop existing mask rule.

Syntax #

DropEncryptRule ::=
  'DROP' 'MASK' 'RULE' ifExists? maskRuleName (',' maskRuleName)*

ifExists ::=
  'IF' 'EXISTS'

maskRuleName ::=
  identifier

Supplement #

• ifExists clause used for avoid Mask rule not exists error.

Example #

• Drop mask rule

DROP MASK RULE t_mask, t_mask_1;

• Drop mask rule with ifExists clause

DROP MASK RULE IF EXISTS t_mask, t_mask_1;

Reserved words #

DROP, MASK, RULE