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, assume your queries contain predicates on area codes and on full phone numbers.
  例如，假定您的查询包含区号和完整电话号码上的谓词。
• 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。
• 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 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。
• 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。
• 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。
• 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。
• Basic attributes like name and phone number will map to predicates with literal objects.
  姓名和电话这类基本属性映射为文字宾语谓词。
• 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。