[PHP-DB] Select * from t1.id where not equal to t2.id ???

[Dave Carrera]

High all
 
I cant seem to get this sql working.
 
I am trying to pull everything from table 1 (t1) where t1.id is not
equal to table 2 (t2) id
 
I cant find examples anywhere.
 
Any help or guidance with this as always is very much appreciated.
 
Thanks in Advance
 
Dave C