The DROP ENCRYPT RULE syntax is used to drop an existing encryption rule.
DropEncryptRule ::=
'DROP' 'ENCRYPT' 'RULE' ifExists? ruleName (',' ruleName)*
ifExists ::=
'IF' 'EXISTS'
ruleName ::=
identifier
ifExists clause is used for avoid Encrypt rule not exists error.DROP ENCRYPT RULE t_encrypt, t_encrypt_2;
ifExists clauseDROP ENCRYPT RULE IF EXISTS t_encrypt, t_encrypt_2;
DROP, ENCRYPT, RULE
