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Quote: the named set of a relational database is a very small subset of the expressible set of relations
Topic:
database queries, joins, and relational algebra
Quotation Skeleton
Associated with a data bank are two collections … all those relations that the community of users … The expressible set is the total collection of … simple names of relations in the named set; … constant relation symbols such as =, >. The … Google-1 Google-2
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Topic: database queries, joins, and relational algebra (33 items)