"William IT" <[EMAIL PROTECTED]> wrote:
>
> I just migeate from MS SQL to MySQL but have problem on "Cascade Update".
> Suppose I have BOOK and LIST_TYPE tables like this:
>
> BOOK, field: Book_Name, Book_Type
> LIST_TYPE, field: Book_Type
>
> If I already define Cascade Update between BOOK and LIST_TYPE, then when I update
> the content of Book_Type (from table LIST_TYPE): the Book_Type of BOOK automatically
> change too.
>
> How to perform Cascade Update in MySQL?
Create the FOREIGN KEY CONSTRAINTS and specify ON UPDATE CASCADE:
http://www.mysql.com/doc/en/InnoDB_foreign_key_constraints.html
--
For technical support contracts, goto https://order.mysql.com/?ref=ensita
This email is sponsored by Ensita.net http://www.ensita.net/
__ ___ ___ ____ __
/ |/ /_ __/ __/ __ \/ / Egor Egorov
/ /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED]
/_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net
<___/ www.mysql.com
--
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
