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sql数据如何跟踪语句 求sql语句如何按月搜索数据库
关于SQL数据查询语句 1select cno,cname from course2select sname,year(getdate())-sage from student3select*from student where sage4...
关于SQL数据查询语句 1select cno,cname from course2select sname,year(getdate())-sage from student3select*from student where sage4...