MYSQL 比较集

    -> cc char(10));

insert into ss values (null,"a");

insert into ss values (null,"A");

insert into ss values (null,"b");

insert into ss values (null,"B");

-------------------------------------------------------------

mysql> select * from ss order by cc asc;

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

| id | cc   |

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

|  1 | a    |

|  2 | A    |

|  3 | b    |

|  4 | B    |

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

 mysql> select * from ss order by cc desc;

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

| id | cc   |

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

|  3 | b    |

|  4 | B    |

|  1 | a    |

|  2 | A    |

MYSQL 比较集

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