Question: DELETE CustomerID FROM Customer WHERE CustomerID NOT IN ( SELECT CustomerID FROM Invoice UNION SELECT CustID FROM ServiceTicket ) ;

DELETE CustomerID FROM Customer
WHERE
CustomerID NOT IN (SELECT
CustomerID
FROM
Invoice UNION SELECT
CustID
FROM
ServiceTicket);

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!