Which Transact-SQL statement should you run?

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series. Information and details provided in a question apply only to that question.

You have a database that contains tables named Customer_CRMSystem and Customer_HRSystem.

Both tables use the following structure:

The tables include the following records:

Customer_CRMSystem

Customer_HRSystem

Records that contain null values for CustomerCode can be uniquely identified by CustomerName.

You need to display a list of customers that do not appear in the Customer_HRSystem table.

Which Transact-SQL statement should you run?

A)

B)

C)

D)

E)

F)

G)

H)

A . Option A
B . Option B
C . Option C
D . Option D
E . Option E
F . Option F
G . Option G
H . Option H

View Answer

Answer: D

Explanation:

EXCEPT returns distinct rows from the left input query that aren’t output by the right input query.

References: https://msdn.microsoft.com/en-us/library/ms188055.aspx