BEGIN TRANSACTION begin-stmt: hide commit-stmt: hide rollback-stmt: hide No changes can be made to the database except within a transaction. Any command that changes the database (basically, any SQL command other than SELECT) will automatically start
当你晕晕乎乎的执行了commit之后,突然间意思到自己点错了,那说明你和我碰到了一样的问题. 瞬间感觉大冷天头顶冒汗,那就说明你的感觉对了.废话少说,下面是我的办法: 下面的例子都是以Test表为例.select t.*,t.rowid from Test t;-----执行了一堆命令commit;意识到自己点错了.开始恢复了select * from Test as of timestamp to_timestamp('2016-12-29 15:04:56','yyyy-mm-dd hh24
public int GetExecteQuery(string strAddSql, string strUpdateSql, string strDelSql) { SqlConnection conn = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["GPSP_SQL"]);//实例化数据连接 //SqlConnection conn = new SqlConnection(CO
//实例化的数据库对象$model = new Model();//开启事务$model->startTrans();//默认结果$judge = true;//数据操作$sql1 ="delete from TableOne where ...";$sql2 ="delete from TableTwo where ...";//执行数据操作$result1 = $model->query($sql1);if(!$result1) $judg
事务回滚后,自增ID仍然增加,回滚后,自增ID仍然增加.比如当前ID是7,插入一条数据后,又回滚了.然后你再插入一条数据,此时插入成功,这时候你的ID不是8,而是9.因为虽然你之前插入回滚,但是ID还是自增了. 如果你认为自增ID不应该被事务化,那么其他事务不得不等待着,检查自增ID是被使用还是被回滚,这就导致阻塞. 比如下面的例子,A表使用自增ID. User ------------ begin transaction insert into A ... insert into B ...