Re: [PHP] SQL Queries

2009-12-21 Thread Floyd Resler
You should be able to do this from within the query. Try the following query: DELETE users.* FROM users LEFT JOIN notes USING(user_id) WHERE notes.note_id IS NULL Take care, Floyd On Dec 20, 2009, at 4:30 PM, דניאל דנון wrote: > Hey, Lets assume I got a table named "users". > It contains id

[PHP] SQL Queries

2009-12-20 Thread דניאל דנון
Hey, Lets assume I got a table named "users". It contains id & name. I have another table called "notes" - which contains id, user_id, contents I want to delete all users from table "users" that don't have notes (SELECT ... FROM notes WHERE user_id=ID) returns empty result. What is the fastest