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- W2362817963 abstract "The operations in relational algebra include basic operations and additional operations. This article mainly discusses the method how to express additional operations with basic operations, especially an expression is given to express the division operation. It solves the problem that division operation is done by using abstract definition, the with the given expression the division result can be directly obtained. It is an important way to do equivalence division operation in other relational operation languages." @default.
- W2362817963 created "2016-06-24" @default.
- W2362817963 creator A5024129575 @default.
- W2362817963 date "2003-01-01" @default.
- W2362817963 modified "2023-09-23" @default.
- W2362817963 title "HOW TO EXPRESS ADDITIONAL OPERATIONS WITH BASIC OPERATIONS IN RELATIONAL ALGEBRA" @default.
- W2362817963 hasPublicationYear "2003" @default.
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