For example, a Blast data source needs an equality predicate on the BlastSeq column.
例如,一个Blast数据源需要blastseq列上的一个等于谓词。
Both indexes defined above are eligible to evaluate the XMLEXISTS predicate on the customer name.
上面定义的两个索引都适合用于客户姓名上的xmlexists谓词的计算。
Although unwieldy, this does correctly match the predicate on the server and return the expected value.
虽然有些笨拙,但是这的确能正确地匹配服务器上的谓词,并返回预期的值。
It evaluates the predicate on "title" and, if the predicate is satisfied, extracts the "authors" element.
它将在“title”上计算谓词,如果满足谓词,则提取“authors”元素。
DB2 can use an index defined on a single relational column to answer any equality or range predicate on this column.
DB 2可以使用定义在单个关系列上的索引来响应此列上的任何等式谓词或范围谓词。
In order to use this technique, the SQL must provide a predicate on the first key column of the partitioning index.
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。
Note that the join predicate on the author ID does not contain a literal value that would indicate the data type of the comparison.
请注意,authorID上的连接谓词没有包含文字值,该文字值将表明比较的数据类型。
In contrast to the previous queries, the following query adds a predicate on the message element using the contains XQuery function.
与前面的查询相反,以下查询使用containsXQuery函数在message元素上添加一个谓词。
Another potential problem is the local predicate on the table reference CUST_ORDER_HEADER (COHE) in the inner sub-query (see also in Figure 9).
另一个潜在问题是内部子查询中CUST_ORDER_HEADER (COHE)表引用上的本地谓词(见图9)。
Another potential problem is the local predicate on the table reference CUST_ORDER_HEADER (COHE) in the inner sub-query (see also in Figure 9).
另一个潜在问题是内部子查询中CUST_ORDER_HEADER (COHE)表引用上的本地谓词(见图9)。
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