SQL Select only rows where exact multiple relationships exist

Question

This is closely related to this question, but adds another requirement.

Given a parent table \'parent\'

╔════════════╦════════╗
║ PARENT_ID  ║ NAME           


        

Answer 1

You can do this with a group by.

SELECT PARENT_ID FROM link_tbl WHERE PROP_ID IN (5,1) GROUP BY PARENT_ID HAVING COUNT(*) = 2