摘要:
1、SELECT CarTypeId FROM CarType MINUS SELECT CarTypeId FROM Cars SELECT CarTypeId FROM CarType WHERE (CarTypeId NOT IN (SELECT DISTINCT CarTypeId FROM Cars);2、SELECT CCODE, CNAME FROM DEPT_ADMIN.CLASS... 阅读全文
posted @ 2010-05-11 16:15
专注IT技术
阅读(192)
评论(0)
推荐(0)