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relational algebra

(1) The branch of mathematics that deals with relations; for example, AND, OR, NOT, IS and CONTAINS.

(2) In a relational database, a collection of rules for dealing with tables; for example, JOIN, UNION and INTERSECT.



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regular expressionrelational calculus
regular SD Cardrelational database
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reimagingrelational model
reinstallrelational operator
reintermediationrelational query
Reiser4relative address
ReiserFSrelative link
related filesrelative movement
relationalrelative path

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