Re: [RBASE-L] - SQL: Column Value for MAX(Date)

2021-09-14 Thread 'Karen Tellef' via RBASE-L
Here's a shot at having 1 view.   This is a view I have which returns all rows from a table Location for the (MAX(InvID)) View: vprodloc SELECT * FROM products t1,location t2 where t1.productid = t2.productid and t2.invid = (sel max(invid) from location where   productid = t1.productid) I know

Re: [RBASE-L] - SQL: Column Value for MAX(Date)

2021-09-14 Thread Doug Hamilton
Yes, Thank You Bill, it worked with a couple of key points: 1) I/O Error on the 2nd SELECT prompted an AUTOCHK which prompted a RELOAD. I must've blowed up the DB in testing (tech jargon). 2) As Bruce Chitiea pointed out, my table is a many-to-many; your view deconstructs it, which Bruce

Re: [RBASE-L] - SQL: Column Value for MAX(Date)

2021-09-14 Thread Bill Downall
Doug, Does this work? CREATE VIEW TrailerMaxDates (TrailerID, MaxDate) AS + SELECT TrailerID,MAX(TrailerDate) FROM TrailerInfo GROUP BY TrailerID SELECT t1.*, t2.TrailerLoc + FROM TrailerMaxDates t1, TrailerInfo t2 + WHERE t1.TrailerID = t2.TrailerID + AND t1.MaxDate = t2.TrailerDate Bill

[RBASE-L] - SQL: Column Value for MAX(Date)

2021-09-14 Thread Doug Hamilton
I have a table of trailers, dates and locations. I'm trying to create a view that shows the trailer ID and the most recent location. From the above, the view would display: TrailerID   TrailerLocation 2706 MAD 531002 MKE A trailer will be at only one location on any