mysql 5.0: ERROR 1005 (HY000)

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mysql 5.0: ERROR 1005 (HY000)

mysql 5.0: ERROR 1005 (HY000)

2004-06-06 - By Michael Stassen

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Reply: 1 2

saiph wrote:

> create database url;
> use url
>
> create table cath
> (
> name varchar(10) primary key,
> ) type=innodb;
>
> create table site
> (
> url varchar(40) primary key,
> aline varchar(40),
> cath varchar(10),
>
> constraint fk_cath foreign key(cath) references cath(name)
> on delete set null on update cascade
> ) type=innodb;
>
>
> ERROR 1005 (HY000): Can 't create table './url/site.frm ' (errno: 150)
>
> the perms are correct indeed without the constraint there are no problems.

You have to put an index on cath before you can use it as a foreign key.
See < http://dev.mysql.com/doc/mysql/en/InnoDB_foreign_key_constraints.html >.

Michael

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