Table1
1- How can we get the following table/query from the about table. As you see the sum of each item is shown.
Query1
2- Imagine, that because of any reason, the sum of the quantities of each item should be deducted from item D. can we get the following table/query?
Query 2
Thank you
Code:
Product quanity
A 50
B 22
D 11
C 31
B 43
D 8
C 13
A 43Query1
Code:
Product quantity_sum
A 93
B 65
C 44
D 19Query 2
Code:
Product quantitysum D-deduction result
A 93 19 74
B 65 19 46
C 44 19 25