对于选择元素集合中的第一个元素,最容易的方法是利用值1 的谓词。
The easiest method for selecting the first in a set of elements is with a predicate of value 1.
在第一个查询中,过滤谓词是在由xmltable函数生成的char列“Zip”上表达的。
In the first query, the filtering predicate is expressed on the CHAR column "Zip" generated by the XMLTABLE function.
假设需要第一张唱片,可以使用谓词来实现:/cds/cd[1]。
Then supposed you want the first CD; you can use a predicate to get that CD, like this: /cds/cd[1].
为了使用这种技术,SQL必须提供分区索引的第一个键列上的一个谓词。
In order to use this technique, the SQL must provide a predicate on the first key column of the partitioning index.
第一部分,从这三个或然语气副词对谓词的选择限制、句中位置、独用以及共现情况四个方面进行了考察。
In the first part, we observe from four aspects: alternative limitation, sentence position, solo use and co-occurrence.
第一部分,从这三个或然语气副词对谓词的选择限制、句中位置、独用以及共现情况四个方面进行了考察。
In the first part, we observe from four aspects: alternative limitation, sentence position, solo use and co-occurrence.
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