Hi, I have two tables: table1: share, cost, time A , 10 , 2017-02-20 A , 14 , 2017-02-21 B , 13 , 2017-02-21 C , 4 , 2017-02-24 C , 11 , 2017-02-24 table2: share, cost, time, name A , 11 , 2017-02-20 , Moshe A , 15 , 2017-02-21, Dani B , 13 , 2017-02-21 , Rafael B , 4 , 2017-02-24 , John C , 11 , 2017-02-24 , George A , 22 , 2017-02-20 , Yossi A , 9 , 2017-02-21 , Yossi I want to look at A rows from table 1 , and choose (from table 2) the A rows with cost in range +-5 of the original cost (we took from table 1) . I tried to use eval but i think i miss something here Thanks. ... View more