mysql多表删除实例

  

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   null

mysql多表删除实例