云数据库 GaussDB-ALTER SEQUENCE:示例

时间:2023-11-01 16:18:33

示例

--创建一个名为serial的递增序列,从101开始。gaussdb=# CREATE SEQUENCE serial START 101;--创建一个表,定义默认值。gaussdb=# CREATE TABLE T1(C1 bigint default nextval('serial'));--将序列serial的归属列变为T1.C1。gaussdb=# ALTER SEQUENCE serial OWNED BY T1.C1;--删除序列和表。gaussdb=# DROP SEQUENCE serial cascade;gaussdb=# DROP TABLE T1;
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