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Quote: the same data value in a database could be a primary key or could be a secondary key specifying a set of records
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Topic:
uniform reference to data
Topic:
database keys and indexing
Quotation Skeleton
This equality of primary and secondary data key … purposes. The use of the same data value … records is the basic concept upon which data … [Data structure sets used in Integrated Data Store (I-D-S) systems and COBOL Database Task Group systems]. Google-1 Google-2
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Topic: uniform reference to data (34 items)
Topic: database keys and indexing (18 items)