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

With two nested subqueries, like this..

 Select pa.Id
 From parents pa
 Where not exists -- This ensures that all specifies properties exist
    (Select * From property y
     Where propertyId In (1,5)
         And Not Exists
             (Select * From parentProperty
              Where parentId = pa.parentId 
                  And propertyId = y.propertyId ))
   And not exists -- This ensures that only specified list of properties exist
    (Select * From parentProperty
     Where parentId = pa.parentId 
        And propertyId Not In (1,5) )

The first one reads "Show me all the parents where there is not a property in the specified list of properties that is not in the parent properties table for the specified parent...."

The second subquery reads: "also make sure that there does not exist a record in the parentProperties table for that parent for any property that is not in the specified list."