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.
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Declaring instance variables ________ is known as data hiding or information hiding.
a. secure b. private c. static d. masked
____ is NOT an autonomous object.
A. A vacuum cleaner robot B. A bomb-defusing robot C. Stock-trading software used in algorithmic trading D. An algorithm for playing backgammon
?To resolve potential database connectivity and access problems, companies use ODBC-compliant software that enables communication among various systems and DBMSs.
Answer the following statement true (T) or false (F)
A _____ is a high-level, summary document that defines both the services and the performance and availability levels at which those services will be provided by a service provider to an organization.
a. customer service agreement b. product-level contract c. service-level agreement d. research and analysis service document