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

• 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”。
• Join predicates need to be specified in the FROM clause.
  需要在FROM子句中指定联结谓词。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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 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。
• 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。