DROP DB_DISCOVERY HEARTBEAT
语法用于为指定逻辑库删除数据库发现心跳
DropDatabaseDiscoveryHeartbeat ::=
'DROP' 'DB_DISCOVERY' 'HEARTBEAT' dbDiscoveryHeartbeatName (',' dbDiscoveryHeartbeatName)* ('FROM' databaseName)?
dbDiscoveryHeartbeatName ::=
identifier
databaseName ::=
identifier
databaseName
时,默认是当前使用的 DATABASE
。 如果也未使用 DATABASE
则会提示 No database selected
。DROP DB_DISCOVERY HEARTBEAT group_0_heartbeat, group_1_heartbeat FROM test1;
DROP DB_DISCOVERY HEARTBEAT group_0_heartbeat;
DROP
、DB_DISCOVERY
、HEARTBEAT
、FROM