| 释义 |
predicates 英'predɪkeɪts美'predɪkeɪts COCA⁸¹⁰⁸¹BNC³¹⁶⁰⁶
基本英英例句例句
n.谓词⁹⁹名词predicate的复数形式¹.原型predicate的三单
名词 predicate:
logic what is predicated of the subject of a proposition; the second term in a proposition is predicated of the first term by means of the copulaone of the two main constituents of a sentence; the predicate contains the verb and its complements
动词 predicate:
make the grammatical predicate in a propositionaffirm or declare as an attribute or quality ofinvolve as a necessary condition of consequence; as in logic用作名词No longer supports noninteger positionalpredicates.不再支持非整数的位置谓词。
The stratification of New Foundations generalizes readily to languages with morepredicatesand with term constructions.新基础的层化推广到了带有更多谓词和带有项构造的语言。 In a nutshell, include relational columns in a SQL/ XML publishing view, and when querying the view express any predicates on those columns rather than on the constructed XML.
总而言之，将关系列包括在 SQL/ XML发布视图中，在查询视图时，在那些关系列上表达谓词，而不是在构造的 XML上表达谓词。 ibm
On the other hand, the rewrite phase might introduce implied predicates through transitivity.
另一方面，重写阶段可能会通过传递引入隐含谓词。 ibm
The obvious drawback is that you can't express predicates on the XML data itself or retrieve just fragments of an XML document.
显而易见的缺陷就是您无法表示关于 XML数据本身的谓词，也无法仅检索 XML文档的片段。 ibm
The predicates work like this: for each node, the engine processes the predicate using that context.
谓词的工作原理类似于：对于每个节点，引擎使用上下文处理谓词。 ibm
With three predicates applied in the WHERE clause, assuming they are independent results in the optimizer underestimating the cardinality.
在 WHERE子句中应用了三个谓词，如果假设它们是独立的话，会导致优化器低估基数。 ibm
A star join query typically involves a fact table and several dimension tables, with join predicates between the fact table and each dimension table.
一个星型连接查询通常包含一个事实表和几个维度表，事实表和每个维度表之间都有连接谓词。 ibm
Another alternative is to specify partitioning predicates by defining check constraints on nicknames.
另一种方法是通过在昵称上定义检查约束来指定分区谓词。 ibm
Cardinality estimation is a process by which the optimizer uses statistics to determine the size of partial query results after predicates are applied or aggregation is performed.
基数估计是这样一种过程：在应用了谓词或执行了聚集之后，优化器使用统计信息确定部分查询结果的大小。 ibm
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。 ibm
Consider setting this option to' Y' if the data source can handle basic operations such as predicates.
如果数据源可以处理谓词之类的基本操作，那么考虑将该选项设为' Y'。 ibm
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。 ibm
For example, the predicates of the SQL statements in your important DB2 work see discussion above should be a primary guide in creating the best indexes.
例如，在创建最佳索引时，应该将重要 DB2工作请参阅前面的讨论中 SQL语句的谓词作为主要指南。 ibm
If you store strings in columns of type VARCHAR or CHAR in a DB2 database, you often have the need to apply content-based predicates on those strings.
如果将字符串存储在 DB2数据库的 VARCHAR或 CHAR类型的列中，那么就常常需要在这些字符串上应用基于内容的谓词。 ibm
If you want those three predicates applied in the exact order in which you code them, you must drop and re-create the index or create a new index on COLA, COLC, COLB.
如果您想那三个谓词完全按照它们的编码顺序应用，则必须删除并在 COLA, COLC, COLB上重建索引或者创建一个新索引。 ibm
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。 ibm
Since it is a view, you can add in your predicates to constrain the output result to what you need.
由于它是一个视图，因此可以加入谓词，以限制输出结果，使之符合要求。 ibm
Specify only those columns that are used in predicates.
仅指定那些谓词中所使用的列。 ibm
Statistical views are a powerful new form of statistics that represent relationships among complex predicates or across tables.
统计视图是一种强大的、新型的统计，它可以表示复杂谓词或表之间的关系。 ibm
That allows you to filter geometries to be displayed based on various predicates.
该特性允许根据不同的谓词过滤要显示的几何图形。 ibm
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。 ibm
The last section discussed how to apply filter predicates at the database level to improve query performance and response times.
最后一节讨论如何在数据库级应用过滤谓词，以提高查询性能和缩短响应时间。 ibm
Therefore, the MQTs defined on such nicknames must specify these predicates; otherwise, the refresh on the MQT would fail or the queries that use MQTs would produce incorrect results.
因此，定义在这类昵称上的 MQT必须指定这些谓词；否则， MQT上的刷新将会失败，或者使用 MQT的查询将产生不正确的结果。 ibm
These additional source columns, combined with additional source join predicates in user queries, help the rewrite phase identify joins that will not produce any join results.
这些附加的源列，加上用户查询中附加的源连接谓词，可以帮助重写阶段识别不会产生任何连接结果的连接。 ibm
These restrictions are introduced by the required predicates and implicit relationships between nicknames of specific data sources.
这些限制由必需的谓词所引入，并隐含了特定数据源的昵称之间的关系。 ibm
You can drill down multiple levels in a query to specify nested predicates, clauses, and expressions.
您可以在一个查询中钻取多层，以指定嵌套的谓词、子句和表达式。 ibm
You have learned how to analyze and tune the problem query from the perspective of statistics, predicates, and indexes.
您已经了解如何从统计数据、谓词和索引这几方面来分析和调优问题查询。 ibm
You may choose to include some of the filter predicates in MQTs if you think that your queries would always filter data using the same constant value.
如果您认为自己的查询总是使用相同的常量值过滤数据，那么您可能选择在 MQT中包含一些过滤器谓词。 ibm
You may occasionally be able to fine- tune some but certainly not all SQL to improve performance and reduce CPU usage by rearranging the predicates.
通过重新安排这些谓词，您偶尔可能会调优一些但肯定不是全部 SQL来改进性能并减少 CPU占用。 ibm
Predicates are reordered and regrouped based on the kind of predicate local or join and the table reference.
重新排序和重新组合谓词是基于谓词的种类本地或联接和表引用。 ibm |