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

• Join predicates need to be specified in the FROM clause.
  需要在FROM子句中指定联结谓词。
• Put predicates in square brackets, including any "and" and "or".
  将谓词放在方括号中，包括任何“and”和“or”。
• 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。
• That means you can use them to index selected elements and attributes that are frequently used in predicates and joins.
  这意味着可以使用它们来索引频繁在谓词和连接中使用的所选择的元素和属性。
• 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。
• 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？
• Additional local predicates that are not automatically provided by DB2 that can provide predicate transitive closure.
  其他的非DB2自动提供的，而又能提供谓词传递闭包的本地谓词。
• This is not useful since queries would typical not use such concatenated values in their predicates.
  此索引项是没有用的，因为普通查询不会在其谓词中使用此类串联值。
• 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？
• Table-level predicates typically exist on some dimension tables as well.
  表级谓词通常也存在于一些维度表中。