这个参数也会影响索引的性能。
该查询计划展示了函数索引的使用。
本文提供了一些有关函数索引的示例。
This article provides several samples of functional indexes.
访问hash索引的查询的访问计划。
有自动编制索引的软件吗？
创建函数索引的注意事项。
这种设计阻止您编写利用较少索引的查询。
The design precludes you from profiling queries that make use of fewer indexes.
接下来，创建一个查询以生成要被索引的行。
为基于主键、外键和索引的通用查询提供访问
Provides access to common queries based on primary keys, foreign keys, and indexes.
创建索引的性能也将显著提升。
Index creations times can also see significant performance boosts.
通过指定DEFER，则可以推迟索引的创建。
By specifying DEFER, you postpone the creation of the index.
编写报告时，要尽可能确保利用具有索引的列。
When authoring reports, be sure to leverage columns that have indexes wherever possible.
该特性可以提高具有复合索引的表的查询性能。
This feature can improve query performance on tables with composite indexes.
选择想要索引的XML文档的文件夹。
最后的查询是利用扩展的索引的查询。
The final query is the query that exploits the extended index.
索引的右边区域显示所有货品的列表。
The area on the right hand side of the index shows a list of all items.
查看将要存储索引的表空间。
这个行包括一个允许为多行文本域创建索引的值。
This row includes a value that allows indexes to be created for multiline text fields.
为所有将被索引的多行文本域建立索引。
Build indexes for all multiline text fields that will be indexed.
请考虑有多行的数据库表的索引的使用。
Consider the use of indices on database tables that have many rows.
对于稍大些的查询，索引的缺失可能成为一个问题。
For larger queries, the lack of indexing may become an issue.
分析表明，很多要建索引的对象已经被存储在磁带上。
The analysis showed that many objects to be indexed were already stored on tape.
此外，您将在EISCAN下面发现网格索引的名称。
Additionally, you find the name that was assigned to the grid index right below the EISCAN.
对于这个场景，您主要对列出未使用索引的部分感兴趣。
For this scenario, you are primarily interested in the section that lists the unused indexes.
索引的惟一性是指一个索引拥有多少个重复键。
The uniqueness of index refers to how many duplicate keys an index has.
使用带索引的副表查询文档，以clob形式获得文档。
Indexed side tables are used to query the document that is retrieved as a CLOB.
您已经了解了函数索引的定义以及其使用方式和使用时机。
You have now learned the definition of a functional index and have seen how and when to use them.
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.
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.
应用推荐