Steve Bryant wrote: > I have run across a problem for which I think a SQL solution should exist. > > I essentially need to do a left-join on two columns. > > I need to get every row from one table (say "lessons") and any rows from > another (say "students") for which the LessonID columns of each table match > AND where the StudentID of the "students" table matches a given value. I > cannot find a way to get this result set and still have one and only one row > for each record in the "lessons" table.
SELECT * FROM lessons LEFT JOIN students ON lessons.lessonID = students.lessonID WHERE students.studentID = #studentID# OR students.studentID IS NULL Jochem ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Logware (www.logware.us): a new and convenient web-based time tracking application. Start tracking and documenting hours spent on a project or with a client with Logware today. Try it for free with a 15 day trial account. http://www.houseoffusion.com/banners/view.cfm?bannerid=67 Message: http://www.houseoffusion.com/lists.cfm/link=i:4:198689 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54
