----- Original Message ----- From: "Paul DuBois" <[EMAIL PROTECTED]> To: "Andy Sy" <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Friday, June 14, 2002 2:45 AM Subject: Re: Why does Key==Mul in DESCRIBE TABLE for unique key?
> 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. But I declared the field as UNIQUE (see the CREATE TABLE statement). --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
