For the query style you would replace "ON" with "WHERE". You won't use "ON"
unless you use "JOIN"; they come together.
SELECT u.*, a.city FROM users u, addresses a WHERE u.id=a.user_id
""Matt Monaco"" <[EMAIL PROTECTED]> wrote in message
> When using JOINS by the simply supplying a comma separated list of tables
> in the FROM clause, is the ON argument normally associated with a join
> intended to be addressed in the WHERE clause, or should ON still be used?
> // Comma separated join
> SELECT u.*, a.city FROM users u, addresses a WHERE u.id=a.user_id;
> // Actual JOIN clause
> SELECT u.*, a.city FROM users u INNER JOIN addresses a ON u.id=a.user_id;
> // Query style in question
> SELECT u.*, a.city FROM users u, addresses a ON u.id=a.user_id;
> If not ON, is there at least another viable argument? The reason I'm
> interested is for a query involving 5 or 6 tables and WHERE arguments
> which do not deal with the relationships. I would like to assure the
> efficiency of this query.
> Thanks in advance,
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