> if i understand you correctly, perhaps this:
>
> select * from categories a,category_user_rights b where
a.name!=b.username;
>
> jack
When i do something like that I get loads of duplicate records including the
ones that should be there! so if i do a group the result just looks like
i've selected everything...
here's my query for getting all the (sub)categories that DO have an entry in
"category_user_rights"... Somehow i need to reverse it to pull out
everything but what it's returning at the moment! :o(
$sql = "SELECT categories.ID, categories.title, categories.code ";
$sql .= "FROM categories, category_user_rights ";
$sql .= "WHERE categories.parentcat_INC = $cat ";
$sql .= "AND categories.ID = category_user_rights.category_id ";
$sql .= "AND category_user_rights.username = '$username'";
$result = mysql_query($sql);
Original message:
"categories" contains:
ID,
parent_ID,
name
"users" contains:
username,
password,
name,
etc....
"category_user_rights" contains:
username,
category_ID
How do I pull everything out of "categories" that a given user DOES NOT have
rights to? ie. every record from "categories" that does not have a record
in "category_user_rights" linking it to a username such as "fred"
Any help on this would be greatly appreciated!
Thanks!
Simon Kimber
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