摘要： select sname,ssex,class from t_hq_student;select distinct depart from t_hq_teacher;select * from t_hq_student;select * from t_hq_score where degree be... 阅读全文

摘要： select t.*, t.rowid from T_HQ_RYXX tselect nianl,xingm from t_hq_ryxx;select nianl as 年龄,xingm as 姓名 from t_hq_ryxx ;select nianl 年龄 from t_hq_ryxx;se... 阅读全文