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lihui lihui
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5 years ago
A null value in a column may indicate that there is an appropriate value for that attribute, and although the value is known, no one has entered the value into the database.

• true

• false
Textbook 
Database Processing: Fundamentals, Design, and Implementation

Database Processing: Fundamentals, Design, and Implementation


Edition: 15th
Authors:
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brigettelearnbrigettelearn
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5 years ago
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lihui Author
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5 years ago
Good timing, thanks!
SlimyPencil
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Yesterday
Thanks for your help!!
Evolution
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2 hours ago
You make an excellent tutor!
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