MySQL delete from 刪除table表的數(shù)據(jù)

1、delete from + where 字句

題目：刪除id=4的數(shù)據(jù)

mysql> select*from students;

+----+----------+-----+------+

| id | name? ? | sex | age? |

+----+----------+-----+------+

|? 1 | kimi? ? | f? |? 12 |

|? 2 | hathway? | m? |? 15 |

|? 3 | tony? ? | f? |? 15 |

|? 4 | hongkong | m? |? 16 |

|? 5 | wendy? ? | m? |? 20 |

+----+----------+-----+------+

5 rows in set (0.00 sec)

mysql> delete from students where id =4;

Query OK, 1 row affected (0.00 sec)

mysql> select*from students;

+----+---------+-----+------+

| id | name? ? | sex | age? |

+----+---------+-----+------+

|? 1 | kimi? ? | f? |? 12 |

|? 2 | hathway | m? |? 15 |

|? 3 | tony? ? | f? |? 15 |

|? 5 | wendy? | m? |? 20 |

+----+---------+-----+------+

4 rows in set (0.00 sec)

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