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

• 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？
• Consider only the most important columns for the most important queries that have selection predicates for these distribution statistics.
  对于这些分布统计信息，只考虑对拥有选择谓词的最重要的查询而言最为重要的列。
• 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。
• Since there are no predicates on any attributes of sales facts, no attributes are identified in this step.
  因为sales事实的任何属性上都没有谓词，所以这一步没有识别出属性。
• The application of one or more predicates may reduce the output stream cardinality.
  应用一个或更多谓词可以减少输出流基数。
• You need to design indexes to support efficient access with local predicates and join predicates.
  您需要使用本地谓词和连接谓词设计索引，以支持高效访问。
• 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？
• Document-and row-filtering predicates should go into the XMLEXISTS function.
  文档过滤和行过滤谓词应该放入到XMLEXISTS函数中。
• A merge scan join always involves one or more Equal join predicates.
  一个合并联接总是涉及一个或多个Equal联接谓词。
• 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。