Relational calculus

https://www.wikidata.org/wiki/Q1722436

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Parent
Computer science 54.8M papers	Data mining 1.5M papers	Database 1.3M papers	Information retrieval 1.2M papers
Relational database 28.3k papers	Database design 18.7k papers	Relational model 4,927 papers	Database model 4,239 papers
Current
Relational calculus 1,195 papers
Child
Codd's theorem 335 papers

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