Should a user be allowed to enter null values for the primary key?
What will be an ideal response?
No, The primary key should uniquely identify a given row. This would be impossible if nulls were allowed.
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Why does the NIC allocate very few Class A addresses?
What will be an ideal response?
?A _____ negotiates with users who might have conflicting requirements or want changes that would require additional time or expense.
A. ?project manager B. ?project reporter C. ?software tester D. ?software developer
Referring to the figure above, Papyrus and Impact are examples of ____ fonts.
A. Serif B. Sans serif C. Fantasy D. Cursive
What is not true about a multiple items form?
A. Displays multiple records in a stacked layout B. Displays multiple records in a tabular layout C. Allows more customization than a datasheet D. Data appears similar to a datasheet