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.
Computer Science & Information Technology
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A series of number signs displaying in a cell indicate that the ________
A) row is too short B) column is too wide C) column is too narrow D) row is too tall
Computer Science & Information Technology
__________ language consists of instructions directly executable by the processor.
A. Assembly B. Compiler C. Mnemonic D. Machine
Computer Science & Information Technology