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S3odz S3odz
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6 years ago
According to the preferably single-attribute characteristic of a primary key, the primary key:
 a. must be able to guarantee unique attribute values.
  b. should have the minimum number of attributes possible.
  c. should have embedded semantic meaning associated with each attribute.
  d. must be composed of attributes that are free from security risks or violations.
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Sammyfuria2Sammyfuria2
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6 years ago
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S3odz Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
jasonbourne
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This calls for a celebration Person Raising Both Hands in Celebration
apelton
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2 hours ago
Correct Slight Smile TY
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