索引

In some cases, joining on unindexed columns can result in a slow query .

在某些情况下，联接非索引列会使查询速度变慢。

In some cases, join ing on unindexed columns can result in a slow query.

在某些情况下，联接非索引列会使查询速度变慢。

Provides over two dozen indexed and unindexed text search options for all popular file types.

提供超过两打的索引和未与文本搜索选项为所有流行的文件类型。

Let's say that in our previously used tbl example table, we have an unindexed column called owner.

假设我们先前使用的表 tb1中有一个没有索引的栏叫做owner。

Keep this in mind and note that the autotrace output shows a full table scan - as we would expect on an unindexed table.

记住这些，并注意autotrace输出显示了一个全表扫描——正如对于一个无索引表，我们所预期的。

Keep this in mind and note that the autotrace output shows a full table scan - as we would e XP ect on an unindexed table.

记住这些，并注意AUTOTRACE输出显示了一个全表扫描——正如对于一个无索引表，我们所预期的。

Unindexed foreign keys cause DML on the primary key to get a share row exclusive table lock (also sometimes called a share-subexclusive table lock , SSX ) on the foreign key table.

如果外键上没有定义索引，对父表的主键执行 DML 操作时必须获得子表上的共享行排他表级锁（也称为 share-subexclusive table lock，SSX ）。

The map is indexed by a row key, column key, and a timestamp; each value in the map is an uninterpreted array of bytes.

Bigtable是一个疏松的分布式的持久的多维排序的map，这个map被行键，列键，和时间戳索引。

But because books have largely been excluded from Google's index -- distant planets of unlinked analog text -- that vast trove of knowledge can't compete with its hyperlinked rivals.

但是由于书籍基本上被排除在了谷歌的索引之外——这些书籍就成了互不相连的模拟文本的遥远星球——因此这巨大知识宝藏就无法跟其超链接的对手抗衡。

With Max Data Recovery, you can quickly recover and rescue corrupted, unopenable, or unreadablefiles.

该软件支持恢复类似于文档、应用软件、音乐文件和图像这样的索引类型的文件。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷