关系代数 meaning in English
relation algebra
relational algebra
Examples
- Relational algebraic operator this node represents
此节点表示的关系代数运算符。 - In relational databases , an operator in relational algebra
在关系数据库中，关系代数用的一种运算符。 - It is implied by the associative and commutative transformations permitted in relational algebra
它由关系代数中允许的关联转换和交换转换表示。 - Leap is an rdbms ( relational database management system ) implementing the relational algebra - a core part of relational database theory
Leap是一个rdbms ，它实现了关系代数，关系数据库理论的一个核心部分。 - 13 yoshinaga t , xu j , inoue k . a note on closure property of sublogarithmic space - bounded 1 - inkdot alternating turing machines with only existential universal states
例如，关系在关系代数运算下的结果仍为关系，我们称关系集合在关系代数运算下封闭。