DROP SHARDING TABLE RULE

Description

The DROP SHARDING TABLE RULE syntax is used to drop sharding table rules from the current database.

Syntax

DropShardingTableRule ::=
  'DROP' 'SHARDING' 'TABLE' 'RULE' ifExists? ruleName (',' ruleName)*

ifExists ::=
  'IF' 'EXISTS'

ruleName ::=
  identifier

Supplement

• ifExists clause is used to avoid Sharding rule not exists error.

Example

• Drop multiple sharding table rules

DROP SHARDING TABLE RULE t_order, t_order_item;

• Drop a sharding table rule

DROP SHARDING TABLE RULE t_order;

• Drop sharding table rule with ifExists clause

DROP SHARDING TABLE RULE IF EXISTS t_order;

Reserved word

DROP, SHARDING, TABLE, RULE, IF, EXISTS

Related links

• Reserved word