使用索引 in English translation

• use index
• using indexing

Examples of using 使用索引 in Chinese and their translations into English

当ORACLE”遇到”NOT，他就会停止使用索引转而执行全表扫描。
When ORACLE"encounter" NOT, he will stop using the index instead perform a full table scan.

MongoDB还支持对item字段和stock字段查询时使用索引，因为item字段对应于一个前缀。
MongoDB can also use the index to support a query on item and stock fields since item field corresponds to a prefix.

然而，如果将LIMIT和ORDERBY结合在一起使用的话，通常将会使用索引，因为这时仅返回表中的一小部分记录。
However, LIMIT combined with ORDER BY often will use an index because only a small portion of the table is returned.

每个与键相关的列都是NULL也表明没有使用索引。
The NULL in each of the key-related columns also indicates that no index will be used.

以下大多数示例体现在引用数组中的数据时使用索引。
Most of the following examples show the use of indexing when referencing data in an array.

如果只执行单一查询，创建索引所需要的处理就会降低使用索引所带来的性能提升。
If you are only performing a single query, the processing required to create the index reduces the performance gained by using the index.

如果想要增加ORDERBY的速度，首先看是否可以让MySQL使用索引而不是额外的排序阶段。
If you want to increase ORDER BY speed, first see whether you can get MySQL to use indexes rather than an extra sorting phase.

当然，你也会发现,在扫描小表时,使用索引同样能提高效率。
Of course, you will find a small table in the scan, use the index can also improve efficiency.

使用索引服务搜索时也可使用UNC路径和映射的网络驱动器，如果共享服务器索引了适当的目录并且意识到正在共享。
Searching using Indexing service works also on UNC paths and/or mapped network drives if the sharing server indexes appropriate directory and is aware of its sharing.

他们可以使用索引（index）引用任何栈中元素：一个正数索引代表了栈中的绝对位置（从1开始）；.
They can refer to any element in the stack by using an index: A positive index represents an absolute stack position(starting at 1);

并非每个查询都会自动使用索引。
Indexes are not automatically used by every query.

在这种情况下，会使用索引。
In this case, the index can be used.

在这种情况下，不会使用索引。
In this case, no index can be used.

在这种情况下，不会使用索引。
In this case, you can see the index is not used.

在这种情况下，会使用索引。
In that case you should use an unique index.

这样，MongoDB可以对下列字段查询时使用索引︰.
As such, MongoDB can use the index for queries on the following fields.

Windows使用索引服务来帮你提高搜索速度。
Windows Search indexes your mailbox to improve searching speed.

我们可以使用索引operator[]从列表中获取特定元素。
The index operator[] is used to access an item in a list.

我们可以使用索引operator[]从列表中获取特定元素。
Use the index[] operator to access an item in a list.

在改写的查询中，优化程序可在t1上使用索引。
In the rewritten query, the optimizer can use indexes on t1.