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wrote...
A week ago
A null value in a column may indicate that there is an appropriate value for that attribute, but it is unknown.

• true

• false
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Test Bank for Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
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wrote...
A week ago
true
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wrote...
A week ago
This site is awesome!
wrote...
A week ago
Slight Smile Good luck on the rest
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