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Compound key
also called Composite key and has one more synonym

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  1. a key that consists of 2 or more attributes that uniquely identify an entity occurrence

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  2. a term from database design

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  3. Each attribute that makes up the compound key is a simple key in its own right

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  4. This is often confused with a composite key whereby even though this is also a key that consists of 2 or more attributes that uniquely identify an entity occurrence, at least one attribute that makes up the composite key is not a simple key in its ow

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  5. No restriction is applied to the attributes regarding their (initial) ownership within the data model

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  6. This means that any one, none, or all, of the multiple attributes within the compound key can be foreign keys

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
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