(聚集或非聚集)索引类型未指定。
索引类型取决于存储引擎。
这可以通过简单地改变附加重复的索引类型。
This could be changed by simply appending an index to duplicate types.
容器的索引类型。
第四列将显示用于表示数据的索引类型(按照清单5的模式中的定义)。
The fourth column shows the index type (as defined in the schema in Listing 5) used to represent the datum.
总结一下关于XML连接查询的建议,通常将连接谓词转换为应使用的xml索引类型。
To summarize the advice for XML join queries, always cast join predicates to the type of the XML index that should be used.
索引名称与对应的编入索引的属性名称相同,且通常是一种MapRangeIndex索引类型。
An index is named the same as the corresponding indexed attribute and is always a MapRangeIndex index type.
如果您想用这种性能为Tasks和Summary所查看,您将在这两个索引类型中键入信息,如图24所示。
If you want the ability to see these for both Tasks and Summary Tasks, you will need to enter information into both index types, as shown in Figure 24.
您可以排除来自索引更新中特定内容类型的所有实例。
You can exclude all instances of a specific content types from index updates.
因此,要求为每个xml索引指定一个目标类型。
然而在缺乏数据分布信息的情况下,优化器将基于表索引计算不同类型筛选器的选择性。
However, in the absence of data distribution information, the optimizer will calculate selectivity for filters of different types based on table indexes.
除大型对象外,函数索引可以返回任何标准sql类型。
A functional index can return any standard SQL type except for large objects.
但是,如果没有数据分布,则数据库服务器根据表索引计算不同类型的过滤器的选择率。
However, in the absence of data distributions, the database server calculates selectivity for filters of different types based on table indexes.
它们还可以存储结构化类型的列或索引数据。
恢复所有不同的类型,然后恢复所有表及其索引。
Restore all distinct types followed by all tables with their indexes.
函数索引可以根据用户定义的类型创建。
注意,此处有两种不同类型的索引标记。
因此,每个xml索引需要一个目标类型。
查询谓词中的数据类型与索引定义是兼容的。
The data type in the query predicate and the index definition are compatible.
DB 2 9.5优化器使用两种类型的索引来优化查询,并帮助选择最佳的查询执行计划。
The DB2 9.5 optimizer USES both type of indexes to optimize the queries and help selecting the best plan for query execution.
页面、门户实体、以及搜索索引都是限定作用域资源的类型。
Pages, portlet entities, and search indexes are all scoped resource types.
除了索引或谓词与通配符和名称空间的包容性之外,索引合格性的第二个要求是谓词和索引的数据类型必须匹配。
In addition to proper index or predicate containment with wildcards and namespaces, the second requirement for index eligibility is that data types of predicates and indexes need to match.
在之前的部分您已经了解了一种类型的访问方法,即索引扫描(IXSCAN),和一种类型的联接方法,即嵌套循环联接(NLJOIN)。
In the previous section you learned about one type of access method, index scan (IXSCAN), and one type of join method, nested loop join (NLJOIN).
这个搜索引擎用来索引所有的网页和几乎所有类型。
Which is used to index all pages and most common file types.
索引的数据类型与查询谓词的数据类型相匹配。
The data type of the index matches the data type in the query predicate.
正如您在表3中所看到的,字符串谓词只能由varchar类型的xml索引进行计算,而数值谓词只能由double类型的索引进行计算。
As you see in Table 3, a string predicate can only be evaluated with an XML index of type VARCHAR, while a numeric predicate can only be evaluated with an index of type DOUBLE.
关系索引的数据类型始终由索引列的类型来确定。
The data type of relational indexes is always determined by the type of the indexed column.
C#索引器的形式参数成为相应的UML操作的参数,而索引器的类型成为 UML 操作的返回类型。
The formal parameters of the C# indexer become the parameters of the corresponding UML operation and the type of the indexer becomes the return type of the UML operation.
xml索引和查询谓词中的数据类型。
xml索引和查询谓词中的数据类型。
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