SQLite 3.6.20.
SELECT SUM(Salary - TotalSpent) / 100 FROM (T2 NATURAL JOIN T4) NATURAL JOIN (T2 NATURAL JOIN T3); Error: Ambigious column name: Salary However, if I add two parentheses around "T2 NATURAL JOIN T4", the error goes away: SELECT SUM(Salary - TotalSpent) / 100 FROM ((T2 NATURAL JOIN T4)) NATURAL JOIN (T2 NATURAL JOIN T3); Why is this so? _________________________________________________________________ Nya Windows 7 - Hitta en dator som passar dig! Mer information. http://windows.microsoft.com/shop _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users