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"A Foundation of Codd's Relational Maybe-Operations."

Joachim Biskup (1983)

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DOI: 10.1145/319996.320014

access: closed

type: Journal Article

metadata version: 2018-11-06

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Joachim Biskup:
A Foundation of Codd's Relational Maybe-Operations. ACM Trans. Database Syst. 8(4): 608-636 (1983)

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