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DROP DATABASE 用于刪除數(shù)據(jù)庫。
drop_database_stmt:
DROP DATABASE [IF EXISTS] database_name;
參數(shù) |
描述 |
---|---|
IF EXISTS |
用于防止當數(shù)據(jù)庫不存在時發(fā)生錯誤。 |
database_name |
指定待刪除的數(shù)據(jù)庫名。 |
OceanBase(admin@test)>drop database test2;
Query OK, 0 rows affected (0.03 sec)
OceanBase(admin@test)>drop database notest;
ERROR 1008 (HY000): Can't drop database 'notest'; database doesn't exist
OceanBase(admin@test)>drop database if exists notest;
Query OK, 0 rows affected, 1 warning (0.00 sec)
OceanBase(admin@test)>show warnings;
+-------+------+------------------------------------------------------+
| Level | Code | Message |
+-------+------+------------------------------------------------------+
| Note | 1008 | Can't drop database 'notest'; database doesn't exist |
+-------+------+------------------------------------------------------+
1 row in set (0.00 sec)
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