beyondsanli的专栏

An agent could not be started to service this request 很可怕不知道为什么 :cry:

(1): cast 是进行类型转换的 select cast('2222' as integer) from table select cast('222231' as decimal(10,2)) from table （2）decimal 1 select cast('2222314.996' as decimal(10,2)) from table 这个加在...

1：IBM DB2/TOADFEE/COMMAND LINE TOOLS/COMMAND WINDOWS db2 connect to bssdb user etl using etlah22 用这个方式进行连接和查询操作！ 2:? sql00204 完成sqlcode 原因分析

select * from (select  t.CLICK_ID,t.MENUID,t.CREAT_TIME,rownumber() over(order by t.CREAT_TIME desc) as rn from   PAPP.T_SYS_WEB_CLICK t ) as al where al.rn<=10 and al.rn>=0   oracle 中是用rownum r...