Re: [SQL] joining from multiple tables

2003-01-15 Thread Stephan Szabo
On Wed, 15 Jan 2003, Joseph Shraibman wrote: > select distinct n.thekey, n.val, t.txt FROM num_tab n LEFT JOIN txt_tab t ON >n.thekey = > t.thekey > WHERE n.thekey < 5 AND t.class = class_tab.tkey AND n.class = class_tab.class; > produces: Note that the above uses the non-standard postgres b

[SQL] joining from multiple tables

2003-01-15 Thread Joseph Shraibman
I have a table I want to join on, but the conditions that restrict it span more than one table. For example: create table num_tab (thekey int primary key, val int, class char); create table class_tab (class char primary key, tkey int); create table txt_tab (thekey int primary key, class int, txt