predicates

英 [ˈpredɪkeɪts]

美 [ˈpredɪkeɪts]

n.  谓语(句子成分，对主语加以陈述，如John went home中的went home)
v.  使基于; 使以…为依据; 表明; 阐明; 断言
predicate的第三人称单数和复数

柯林斯词典

The noun is pronounced /'predɪkət/. The verb is pronounced /'predɪkeɪt/. 名词读作 /'predɪkət/。动词读作 /'predɪkeɪt/。


• 谓语
  In some systems of grammar, thepredicateof a clause is the part of it that is not the subject. For example, in 'I decided what to do', 'decided what to do' is the predicate.
• VERB 基于；取决于；以…为基础
  If you say that one situationis predicated onanother, you mean that the first situation can be true or real only if the second one is true or real.
  1. Financial success is usually predicated on having money or being able to obtain it.
     先要有钱或者能弄到钱才能够赚钱。

双语例句

• What kinds of predicates are used to join the referenced tables?
  使用了哪些种类谓词来连接引用表？
• In the previous examples, you saw value predicates that include literal values.
  在上述示例中，看到了包括文字值的值谓词。
• Join predicates need to be specified in the FROM clause.
  需要在FROM子句中指定联结谓词。
• For example, what if the two local predicates are not as selective as estimated by the optimizer?
  例如，如果这两个本地谓词选择性没有优化器评估的强，怎么办？
• In other words, the optimizer overestimated the selectivity of the local predicates on the table.
  换句话说，优化器过高估计了本地谓词对表格的选择性。
• But, relational predicates cannot be applied to the underlying XML column or its indexes.
  但是，关系谓词不能应用于底层的XML列或它的索引。
• What kinds of predicates are used on each referenced table?
  每个引用表中使用了哪些种类谓词？
• In addition, our sample query qualifies the rows of interest by specifying relational and XML predicates in the WHERE clause.
  此外，我们的样例查询通过在WHERE子句中指定关系谓词和XML谓词，限定了所关注的行。
• Predicates can be applied to any attribute of a dimension in a cube model.
  谓词可以应用于多维数据集模型中维的任何属性。
• Missing join predicates, but only if a foreign key is defined.
  丢失连接谓词，只在定义了外键的情况下。