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3-4 Table JOIN?

   
6:48 pm on Apr 30, 2005 (gmt 0)

10+ Year Member



I'm working a custom built forum and would like to in one shot select the names of subject -> category -> forum -> and topic all at once?

For those who never looked at a webforum database .. my database setup - topic has subID of forum primary, forum has subID of category primary, and category has subID of subject primary.

So how may this look? Instead of running 4 queries back to back to back? I don't need all entries from all tables, just one feild each from the 3 other's and 2-3 from the topics table.

7:15 pm on May 2, 2005 (gmt 0)

WebmasterWorld Administrator jatar_k is a WebmasterWorld Top Contributor of All Time 10+ Year Member



the 4 queries might actually be quicker, not sure, joining what could be the 4 biggest tables in the db could be somewhat nasty, though I guess most forum software is no stranger to nasty joins.

Are you changing this because it is too slow now?

have you had any success with any queries so far?