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daliqiqi daliqiqi
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6 years ago
A(n) _____ is a restriction placed on the data.
 a. attribute b. entity
  c. relationship d. constraint
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789-you789-you
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6 years ago
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daliqiqi Author
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6 years ago
Thanks
DragonHeart
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Yesterday
Smart ... Thanks!
gefa
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2 hours ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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