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.
仅当第一个谓词认为行不合格时第二个谓词才应用。
The second predicate is applied only when the row is disqualified by the first predicate.
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.
应用推荐