MySQL - How to get a list of values in Table A that don't exist in Table B?

Question

**Table A**
1
2
3
4
5
6


**Table B**
2
3
5

How can I select for entry IDs that only exist in Table B? In this example, I\'m looking for a query th

Answer 1

Try

select value from B where value not in (select value from A)

to get values in B that are not in A.

To get the opposite (values in A not in B) use

select value from A where value not in (select value from B)