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Quote: referential integrity if every foreign key refers to a primary key unless marked as a missing values
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Topic:
dangling pointers
Topic:
database keys and indexing
Quotation Skeleton
Referential integrity is defined as follows: Let D … a foreign key, which draws its values from … the value of the primary key on domain … if it is missing. Google-1 Google-2
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Topic: dangling pointers (13 items)
Topic: database keys and indexing (18 items)