(savepoint) savepoint--rollback

语法：

 

savepoint 保存点的名称；

rollback to 保存点的名称；

 

--savepoint--
insert into users values(user_seq.nextval,'anan','anan','an','1');
savepoint a;
insert into users values(user_seq.nextval,'demon','demon','dem','1');
insert into users values(user_seq.nextval,'kevin','kevin','kev','1');
--rollback to --
rollback to a;

 

运行savepoint a后，创建保存点

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运行rollback to a，创建回滚点

 

在savepoint之后的所有运行的程序，只要运行rollback to后全部撤销