Professional relational database design requires that every table has a(n) ____ key field that stores unique values.

A. relational
B. identification
C. number
D. primary


Answer: D

Computer Science & Information Technology

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To place a guide, you can use the ____________________ menu on the menu bar.

Fill in the blank(s) with the appropriate word(s).

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Most tags are ____________________, with a start tag and an end tag occurring as a set.

Fill in the blank(s) with the appropriate word(s).

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