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- 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。
- ER() also gives a set of integrity rules.ER() expends relation model and relation algebra and uses object oriented and relation model to present multidimensional data. ER()给出了一组完整性规则.;扩充了关系模型和关系代数;使得能用关系对象模型表示多维数据
- In relational algebra, the problems I discussed in this article are called relational division. 在关系代数中,我在本文中讨论的问题称为关系划分。
- This paper introduces the concept of generalized fuzzy relation and extends relational algebra operators such as union, intersection, difference, Cartesian product, selection, projection etc. 文中引入了广义模糊关系的概念，讨论了广义模糊关系代数的操作：广义模糊并、广义模糊交、广义模糊差、广义模糊笛卡尔积、广义模糊投影和广义模糊选择等。
- From the perspective of relational algebra,decomposes any query to the sub-query on data partitioned horizontally and the post-query on merged intermediate results. 从关系代数的角度,将任意查询分解成对水平数据分区的子查询和汇总中间结果的后处理查询。
- The boy can't figure out the algebra problems. 这个男孩做不出这道代数题。
- We've learned algebra in middle school. 我在中学就学过代数学。
- She was studying to build up her algebra. 她在学习以提高自己的代数水平。
- General Method Representing Query as conventional Relation Algebra Expression 将查询表示成常规的关系代数表达式的一般方法
- Are you stuck over your algebra? 你的代数题做不下去了吧？
- He finally got the answer to the algebra problem. 他终於算出了这道代数题的答案。
- A public relation firm handle all our publicity. 一家公共关系公司负责处理我们的全部广告宣传工作。
- Relational Algebra and Relational Calculus 关系代数与关系演算
- Temporal Extension of Relational Algebra Operators 关系代数操作符的时态扩展
- A person's happiness correlate closely to the family relation. 一个人的幸福与家庭关系密切相关。
- I don't see any relation between the two problems. 我看不出这两个问题间的联系。
- Logical operators describe the relational algebraic operation used to process a statement. 逻辑运算符描述了用于处理语句的关系代数操作。
- A relation of mine is coming to stay. 我有个亲戚要来此暂住。
- original relational algebra operators 原始算子
- I have nothing to say in relation to that matter. 关于那件事，我没什么好说的。
