• The single-table data often reach hundreds of millions of records, and records will increase with time.

    而单表的数据量往往会达到上亿的记录,并且记录数会随着时间而增长。

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  • In single-table inheritance, there is a single database table that contains columns for both base and derived classes.

    在单表继承中,一个数据库表同时包含基类和派生类的列。

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  • Listing 1 shows a schema for the single table database.

    清单1显示了单表数据库的模式。

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  • TPH: Map an Entity hierarchy to a single table.

    TPH:映射一个实体层次到单表。

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  • Inheritance is limited: with ActiveRecord, I'm forced to use a mapping strategy called single table inheritance (see Resources), which is not always optimal.

    继承也受到限制:使用ActiveRecord时,我被迫使用单表继承映射策略,而该策略并不总是最佳选择。

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  • Before you can start with the actual analysis, you need to combine the four tables into a single table. This single combined table should contain the following columns.

    在您可以开始实际分析以前,您需要把这四个表合并成一个单一的表。

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  • In this test, the EJB entity represents a single row in the database table.

    在这个测试中,EJB实体表示数据库表中的一个单一行。

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  • An XISCAN plan if only a single index is defined on the table and it is of type XML.

    一个XISCAN计划,前提是只对表定义了一个单一的索引并且其类型为XML。

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  • You can add SQL functions, WHERE, and JOIN statements to a view and present the data as if the data were coming from one single table.

    你可以添加sql函数,WHERE和JOIN语句到视图中,并且在视图中显示的数据就像数据来自一个单一的表。

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  • Due to the large amount of data in the audit log table, a single INSERT statement will usually fail because the data per transaction exceeds the log file size of the database system.

    因为审核日志表格里有大量的数据,单独的insert语句通常会失败,这是因为每个事务的数据超过了数据库系统里的日志文件的容量。

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  • Much of the power of the relational model comes from the fact that the relational table is the single data structure that represents homogeneous collections of data.

    关系模型的大部分功能都来自于这样一个事实:关系表是代表同质数据集合的单一数据结构。

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  • Because both of these views are defined with a single SQL select statement on the underlying table, the query performance will not suffer.

    因为这两个视图都是在下面的表格上使用单独的SQL选择语句进行定义,所以不会影响查询性能。

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  • Note: in Listing 14, the SALES_FACT table is populated in a single transaction, which will require a large amount of disk space for logging.

    注意:在清单14中,sales_fact表是通过单独一个事务填充完成的,这需要占用大量的磁盘空间来记录日志。

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  • High Performance Unload can recover data from single table failures or accidental table drops from full, incremental, delta, and merged backups.

    HighPerformance Unload可以从完全备份、增量备份、delta备份和合并备份中恢复单个表格故障或意外表格删除中的数据。

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  • This single value is a locator to the transition table, which the procedure USES to access the transition table columns.

    这个单值是转换表的定位器,存储过程用它来访问转换表的列。

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  • For a single, simple, survey, you could probably place all of the information from each question into a field in a single table.

    对于单个的、简单的问卷调查,您可以将每个问题的所有信息放到单个表的一个字段中。

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  • But our form is not limited to working within a single table; a single form can display and edit data for many tables through relation objects.

    但我们的表单不仅限于在单个表中工作;单个表单可以通过关系对象为多个表显示和编辑数据。

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  • With extended indicator support, a single program can be used for all incoming update transactions against a single table based on a common key.

    使用扩展指示符支持,单个程序可以基于一个公共键用于单个表的所有更新事务。

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  • Recover from single table failures or accidental table drops by extracting a single table from a backup for restoration

    通过从备份中提取单个表执行恢复,可恢复单个表故障或意外的表删除

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  • They are limited, though, in that they work on only a single table and not across multiple tables through relationships.

    但它们受到限制,只能在一个表上工作,不能通过关系跨多个表工作。

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  • In this scenario, you could use a heterogeneous update to update the ORDER and ORDER_ITEMS table in a single database operation.

    在这个场景中,可以使用异构更新在一个数据库操作中更新order和order_items表。

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  • Listing 1 shows a script that creates a table that has a single XML column.

    清单1中的脚本创建只含一个xml列的表。

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  • If an XML document is too large to fit on a single page in a table space, DB2 splits the document into multiple regions which are then stored on multiple pages.

    如果XML文档太大,一个表空间中的一个页面容纳不下,那么DB 2就将该文档划分成多个区域,然后将它们分开存储到多个页面上。

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  • The following code for a JSP page invokes the table tag to display the Employee table (single line of code displayed on multiple lines for viewing convenience)

    JSP页中的下面代码调用表格标记以显示Employee表(为了方便观看,将一行代码显示为多行)

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  • Finally, note how the single row VALUES clause is used in the return statement to return the end result as a single-row table.

    最后,注意在return语句中使用了单行的values子句,以便将最后的结果以单行的表的形式返回。

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  • With a UNION ALL view, you are provided information from all branches of the company as if the information were coming from a single table.

    有了UNIONALL视图,就有了来自所有分公司的信息,而这些信息看起来像是在一个表中。

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  • For this purpose, I'm using DB2 V9 to store and query XML data about business partners, which I'll maintain in a single partners table.

    为此,我将使用DB 2v9来存储和查询关于业务伙伴的XML数据,将在一个partners表中维护该数据。

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  • This new command allows you to collect statistics and build an index in a single pass of the base table, instead of two passes with the previous implementation of these features.

    这条新命令允许您在对基表的一次扫描中收集统计数据,并构建索引,而不像这些特性的以前实现那样需要进行两遍扫描。

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  • Each container can only belong to a single table space, but a table space can have many containers.

    每个容器只能属于一个表空间,但是一个表空间可以拥有许多容器。

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  • For the single, integrated table, the command is the same except for the table (and optionally the index) name.

    对于添加了空间列的源表,命令是相同的,只是表名(可能还有索引名)不一样。

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