mysql多表删除
mysql>, select *,得到stu_inf; + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + | |,id stu_xh ,, |, stu_xm |, xb_id |, xy_id | stu_bj | + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + |,,1,|,07150101,|,小明,,,|,,,,,1,|,,,,,1,|,1504,,| |,,2,|,07150240,|,谢育政,|,,,,,1,|,,,,,2,|,1502,,| |,,3,|,12341231,|,猴子,,,|,,,,,1,|,,,,,2,|,1515,,| |,,4,|,01591261,|,大大,,,|,,,,,1,|,,,,,3,|,1515,,| |,,5,|,07160202,|,小红,,,|,,,,,2,|,,,,,4,|,1602,,| |,,6,|,07150225,|,黄河,,,|,,,,,1,|,,,,,3,|,1315,,| |,,7,|,01050001,|,华容,,,|,,,,,1,|,,,,,7,|,1612,,| |,,8,|,02050002,|,黄月英,|,,,,,2,|,,,,,8,|,1608,,| |,,9,|,01510003,|,欢欢,,,|,,,,,2,|,,,,,9,|,1601,,| |,10,|,05261005,|,大康,,,|,,,,,1,|,,,,10,|,1304,,| | |,13日还以为,0001,,,,,|,xxx ,,, |,,,,, 1, |,,,,, 2, |, 1555,, | + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + 11,rows set 拷贝;(0.02,sec) mysql>, select *,得到cj_inf; + - - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - - - - - - - + | |,cj_id cj_stuid |, cj_kmid | cj_score | + - - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - - - - - - - + |,,,,,1,|,,,,,,,,3,|,,,,,,,1,|,87,,,,,,| |,,,,,2,|,,,,,,,,1,|,,,,,,,2,|,65,,,,,,| |,,,,,3,|,,,,,,,,4,|,,,,,,,1,|,77,,,,,,| |,,,,,5,|,,,,,,,,3,|,,,,,,,9,|,76,,,,,,| |,,,,,7,|,,,,,,,,1,|,,,,,,,1,|,90,,,,,,| |,,,,15,|,,,,,,,13,|,,,,,,,9,|,90,,,,,,| |,,,,16,|,,,,,,,13,|,,,,,,,8,|,67,,,,,,| |,,,,13,|,,,,,,,13,|,,,,,,,1,|,88,,,,,,| + - - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - - - - - - - + 8,rows set 拷贝;(0.02,sec)
mysql>, DELETE stu_inf, cj_inf 得到stu_inf LEFT JOIN cj_inf 提醒stu_inf.id=cj_inf.cj_stuid WHERE stu_inf.id=13; Query 好吧,,4,rows affected (0.00, sec)
mysql>, select *,得到stu_inf; + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + | |,id stu_xh ,, |, stu_xm |, xb_id |, xy_id | stu_bj | + - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - + null null null null null null null null null null null null null null null null null null null null null null nullmysql多表删除实例