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adasdsdew adasdsdew
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6 years ago
Surrogate primary keys are especially helpful when there is no _____ key.
 a. primary b. natural
  c. foreign d. composite
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nopronopro
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#1
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6 years ago
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adasdsdew Author
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6 years ago
Smart ... Thanks!
vanna2014
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
DragonHeart
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2 hours ago
Brilliant ツ
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