发布网友 发布时间:2022-12-27 10:56
共2个回答
热心网友 时间:2023-10-19 19:16
SELECT * FROM R UNION SELECT * FROM T
SELECT * FROM R WHERE DWH=100
SELECT XM, XB FROM R
SELECT XM, DWH FROM R WHERE XB=‘女’
SELECT R.BH, R.XM, R.XB, R.DWH, S.DWM FROM R, S WHERE R.DWH=S.DWH
热心网友 时间:2023-10-19 19:16
我也不会