- 元组关系演算
- relational: adj. 有关系的；亲戚的；(特指语法上)表示关系的。 ...
- calculus: n. (pl. calculuses, -li ) 1. ...
- tuple calculus: 元组演算
- relational calculus: 关系演算
- domain relational calculus: 域关系演算
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tuple relational calculus中文什么意思
- 元组关系演算
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百科释义
Tuple calculus is a calculus that was introduced by Edgar F. Codd as part of the relational model, in order to provide a declarative database-query language for this data model.
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