Explanation: The expression attempts to divide by a null value is errorneous in sql. 10. The result of _____unknown is unknown.
A. Xor
B. Or
C. And
D. Not
Answer:A
Explanation: The expression attempts to divide by a null value is errorneous in sql. 10. The result of _____unknown is unknown.
A. Xor B. Or C. And D. Not
Explanation:Since unknown does not hold any value the value cannot have a reverse value. Sanfoundry Global Education & Learning Series – Database Management System.