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From:Paul DuBois Date:June 13 2002 6:45pm
Subject:Re: Why does Key==Mul in DESCRIBE TABLE for unique key?
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At 2:03 +0800 6/14/02, Andy Sy wrote:
>mysql> CREATE TABLE X (FLD1 INT UNIQUE);
>Query OK, 0 rows affected (0.05 sec)
>
>mysql> DESCRIBE X;
>+-------+---------+------+-----+---------+-------+
>| Field | Type    | Null | Key | Default | Extra |
>+-------+---------+------+-----+---------+-------+
>| FLD1  | int(11) | YES  | MUL | NULL    |       |
>+-------+---------+------+-----+---------+-------+
>
>Doesn't MUL mean a key can exist multiple times
>in the index?

Right. It means it's part of a non-unique index.

>
>I am using 3.23.49-max-debug.

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  • Why does Key==Mul in DESCRIBE TABLE for unique key?Andy Sy13 Jun
    • Re: Why does Key==Mul in DESCRIBE TABLE for unique key?Paul DuBois13 Jun
  • Re: Why does Key==Mul in DESCRIBE TABLE for unique key?Andy Sy13 Jun
    • Re: Why does Key==Mul in DESCRIBE TABLE for unique key?Paul DuBois13 Jun
  • Re: Why does Key==Mul in DESCRIBE TABLE for unique key?Gerald Clark13 Jun
    • Re: Why does Key==Mul in DESCRIBE TABLE for unique key?Paul DuBois13 Jun