摘要: 第一种写法:语句执行花费时间(毫秒) 330 SELECT VGoodsLocationC, Vtrancode, VStartPoint, V_OldGBGrade, V_GBGrade, SUM(IPackageCount) AS IPackageCount, SUM(NWeight) AS NWeight ... 阅读全文
posted @ 2006-11-13 14:20 记得忘记 阅读(479) 评论(0) 推荐(0) 编辑