1、事务开启提交:
begin;
insert into table values(1, 'one', 'two');
commit;
2、事务开启回滚:
begin;
insert into table values(1, 'one', 'two');
rollback;
3、事务保存点:
begin;
savepoint s1;
insert into table values(1, 'one', 'two');
savepoint s2;
insert into table values(2, 'one', 'two');
roolback s2;(s2后面的语句全部失效)