发布时间：2013-09-05 21:28:30
1、使用where语句 不推荐Select * from zflight.Check : zflight-airln = ‘LF’ and zflight-fligh = ‘BW222’.Endselect.推荐Select * from zflight where airln = ‘LF’ and fligh = ‘BW222’.Endselect.2、使用聚合函数不推荐Maxnu = 0.Select * from zflight where airln = ‘LF’ and cntry.........【阅读全文】
sapservice2007-10-26 14:59
沙漠秋天,您好！我们现在在上海有个项目需要workflow的顾问，希望与你沟通一下，我的联系方式：darrenchenh@hotmail.com.
