When would you need to use the "is null" and "is not null" criteria?
What will be an ideal response?
Is Null would be used if someone has a customer record, but not an account. Is Not Null would be used For the ShipDate field; a value inserted indicates the order was shipped to the customer.
Computer Science & Information Technology
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________ are useful to alert a user that an specific action has occurred
A) Modal messages B) Message boxes C) Warnings boxes D) Error messages
Computer Science & Information Technology
If one job monopolizes the system, the extent of its overall effect on system performance depends on the scheduling policy and whether the job is CPU-bound or I/O-bound.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology