A ________ is an attribute whose value is unique across all occurrences of a relation.
Correct Answer:
Verified
Q81: The process of splitting or combining normalized
Q82: A many-to-many relationship that associates certain items
Q83: For a binary many-to-many relationship existing between
Q84: The index file organization:
A)provides very fast random
Q85: Merging relations is also referred to as:
A)view
Q87: A foreign key in a relation that
Q88: Two different names that refer to the
Q89: A table used to determine the location
Q90: A special field value,distinct from 0,blank,or any
Q91: A single name that is used for
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