Hi Everyone,
I'm trying to write a basic query. I haven't done this in a few years so I seem to have forgot most of what I once knew.
For each month of the year, I want to have two columns. 1) What how many units of a product were ordered and B) how many units of that product they shipped.
On the left most column, I will have all of the item numbers.
I know how to do it with one month--I just group by item number and sum. However, if I go to add another month in the query, I need to link the two tables (I have a table for each month).
How would I go about having two columns per month for all items?
Thanks!