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# [EMAIL PROTECTED] / 2003-04-02 02:34:01 +0200: > > 1. If a column is a primary key, there is no need to declare it a > > unique. > > Thank you, I was doing that for every table since I started. http://www.mysql.com/doc/en/CREATE_TABLE.html > > 2. Without foreign keys, your CREATE statements don't reveal table > > relationships. > > I am surprised, I thought my SQL is not a proper relationnal database > and has no embedded way of specifying the foreign key. http://www.mysql.com/doc/en/CREATE_TABLE.html http://www.mysql.com/doc/en/example-Foreign_keys.html > For my part I am doing : > Have a field in attached table for 1-n relationships > Have another table (3) with table1.id and table2.id for n-n > relationships > What is the proper way then ? you are doing it right, but it's not obvious from the DDL. > ps: I still have my SQL dump if you want to have another look.. it's in the ml archives, no need to resend it. -- FreeBSD 4.8-RC 4:31PM up 9 days, 6:50, 20 users, load averages: 0.20, 0.08, 0.02 -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]