View the Exhibit and examine the data in the CUSTOMERS table.
Evaluate the following query:
The above query produces an error on execution.
What is the reason for the error?
A.
An alias cannot be used in an expression.
B.
The a lias NAME should not be enclosed with in double quotation marks .
C.
The MIDPOINT+100 expression gives an error because CUST_CREDIT_LIMIT contains NULL values.
D.
The a lias MIDPOINT should be enclosed with in double quotation marks for the CUST_CREDIT_LIMIT/2
expression .