DROP SEQUENCE

DROP SEQUENCE 语句用于删除序列对象。

语法图

DropSequenceStmt

IfExists

TableNameList

TableName

DropSequenceStmt ::=
    'DROP' 'SEQUENCE' IfExists TableNameList
IfExists ::= ( 'IF' 'EXISTS' )?
TableNameList ::=
    TableName ( ',' TableName )*
TableName ::=
    Identifier ('.' Identifier)?

示例

DROP SEQUENCE seq;

Query OK, 0 rows affected (0.10 sec)

DROP SEQUENCE seq, seq2;

Query OK, 0 rows affected (0.03 sec)

MySQL 兼容性

该语句是 TiDB 的扩展，序列的实现借鉴自 MariaDB。

另请参阅

• CREATE SEQUENCE
• SHOW CREATE SEQUENCE