Return a value from other table with condition

Hi Community,

I have a issue with me as I have 02 tables:

Discount Table:

Level

Sales Value

Discount

1

5000000

1,00%

2

10000000

2,00%

3

20000000

3,00%

Customer table:

Customer

Total Sales

Discount

Other

81350000

 

Mr. Tom

10037000

 

Mr. Minh

10400000

 

Mr. Lam

8440000

 

Ms. Ngoc

12350000

 

Ms. Thu

12850000

 

Now I want to take the discount from table Discount to column "Discount" in customer table, as per rule that if total sales < 5000000, discount is 0%, 5000000 - 10000000 discount 1%, 10000000 - 20000000 discount 2%, >20000000 discount 3%. I think I can use formula of Lookup and If, but my issue is I don't want to put the value in formula, I want to validate with column in Discount table. Cause in future, if I want to change the value of discount, no need to revise the formula, just revise the data in discount table. Is someone have experience in this case and help me? Thanks for your review.

0 2 106
2 REPLIES 2

SELECT the MAX [discount] where [total sales] > [sales value]

Thanks for your support

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