The DROP SHADOW RULE
syntax is used to drop shadow rule for specified database
DropShadowRule ::=
'DROP' 'SHADOW' 'RULE' ifExists? ruleName ('FROM' databaseName)?
ifExists ::=
'IF' 'EXISTS'
ruleName ::=
identifier
databaseName ::=
identifier
ifExists
clause is used for avoid Shadow rule not exists
error.DROP SHADOW RULE shadow_rule FROM shadow_db;
DROP SHADOW RULE shadow_rule;
ifExists
clauseDROP SHADOW RULE IF EXISTS shadow_rule;
DROP
, SHODOW
, RULE
, FROM