通过这样做,我找到了自己的方法: \DB::beginTransaction();try { \DB::table('table_name')->where('id', $data[0]['id'])->delete(); // delete it first to avoid id duplicate when inserting, comment this if id is auto increment $status = \DB::table('table_name')->insert($data[0...
Oracle" for linked server Cannot grant, deny, or revoke permissions to sa, dbo, entity owner, information_schema, sys, or yourself. Cannot insert duplicate key row in object... Cannot insert the value NULL into column 'ID', table Cannot open backup device 'C:\TEMP\Demo.bak'. Operating ...
You said you had two tables, each of which contained duplicate information you are trying to remove. Now it sounds like these tables relate to each other in some fashion. Are you try to remove from one table what doesn't exist in the other?
All rows in Oracle have a rowid. This is a physical locator. That is, it states where on disk Oracle stores the row. This unique to each row. So you can use this value to identify and remove copies. To do this, replace min() with min(rowid) in the uncorrelated delete: Copy code ...
LEFT JOIN table AS bevinco_2005_master2 ON bevinc' at line 2 I am accessing MySQL 5.0.19 to be clear, as I didn't mention that before.Navigate: Previous Message• Next Message Options: Reply• Quote Subject Written By Posted search/compare then delete duplicate rows Jason Belec ...
CDC for Oracle results in transaction log growth Duplicate key rows from sys.syscommittab table Error message when you run the Distribution Agent Fail to enumerate subscription properties Install service packs and hotfixes Issue with custom business logic handler ...
1SELECT句法23SELECT[STRAIGHT_JOIN]4[SQL_SMALL_RESULT][SQL_BIG_RESULT][SQL_BUFFER_RESULT]5[SQL_CACHE | SQL_NO_CACHE][SQL_CALC_FOUND_ROWS][HIGH_PRIORITY]6[DISTINCT | DISTINCTROW | ALL]7select_expression,...8[INTO {OUTFILE | DUMPFILE} 'file_name' export_options]9[FROM table_references10...
insert时如果数据出现duplicate key,会加LOCK_S锁,类型为NEXT-KEY LOCK,此时事务2已经在申请record lock X锁,在申请队列中了,事务1再加NEXT-KEY LOCK S锁则需要等待事务2提交,这就造成了相互等待。加锁分析T2 delete语句需要等待记录上的X锁; 普通insert时,其加锁过程为先在插入间隙上获取插入意向锁,插入数据...
UPDATE TABLE1 set col1 = 3 where col3 = 'Dallas' The UPDATE statement is implemented by SQL Server as a pair of DELETE/INSERT statements since you're updating col1, which has a unique index defined. Thus, the log reader places a pair of DELETE/INSERT calls in the distributi...
5 rows in set (0.00 sec) mysql> use mysql; Database changed mysql> update user set host='%' where user='root'; ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY' mysql> 复制代码 虽然提示更新失败,但实际上是更新成功的。设置允许任意主机连接。