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Quote: entity-relationship describes structure but not operators nor integrity constraints
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Topic:
entity-relationship database model
Topic:
facts as relationships between entities
Topic:
fundamental concepts such as type, attributes, relationships are all the same
Quotation Skeleton
Although some favor the entity-relationship approach, it suffers … structures nor the integrity constraints are discussed. Therefore, … is still not, precisely defined. Consequently, one person's … have added complexity without adding power. Whatever is … relational model in just one common way: as … its immediate properties. A relationship may be regarded … Google-1 Google-2
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Additional Titles
Quote: one person's entity is another person's relationship while relations represent both in the same way
Topic: entity-relationship database model (21 items)
Topic: facts as relationships between entities (22 items)
Topic: fundamental concepts such as type, attributes, relationships are all the same (37 items)