Selecting from an external table reads the data from the data file(s) and provides it in the form of rows and columns as if it was read from the normal base table.
从外部表选择可从一个或多个数据文件读取数据，并以行和列的形式提供该数据，就好像从常规基表读取数据一样。
To load data from the data file /data/americascust.dat (created above) into the base table customer, use the INSERT statement as follows
要将数据文件 /data/americascust.dat（此前已创建）中的数据加载到基表customer，可以使用INSERT 语句（如下所示）
You can define a base set of tags for whatever your application needs, and then allow customers to add their own data into the file, in their own namespace, without disturbing your tree.
您可以定义您应用程序所需要的一组标签，然后允许客户将他们自己的数据以自己的命名空间添加到文件中，而不破坏您的节点树。
Simply inherit from BaseIntrospectionRule, override the methods you care about, and add a matching XML-base meta-data file.
你只需要继承BaseIntrospectionRule，重写你关心的方法，并添加相匹配的基于XML的元数据文件即可。
File server System management computer in a net-work of computers. Typically holds data base files which are accessible by all the computers on the net-work.
档案服务电脑在一电脑内，做系统管理的电脑。它主要控制数据库内的档案，使网络内所有的电脑都可以进行寸取。
Saving data in JFFS2 file system runs simply, which is more suitable to embedded environment compared with traditional data-base.
JFFS2文件系统保存数据简单快捷，占用空间少，跟传统的数据库相比更适应于嵌入式环境。
Both the data base system and file management system (Archive system) are introduced in the integration system.
本文介绍了该项目中采用数据库系统的方案。
The data produced in makeup process of the technique file and the transferring data in the technique resources base are saved in user database, and eight databases are set up with the relation type.
前者可存放工艺文件编制过程中所产生数据及工艺资源库中的调用数据，采用关系型，建立八个数据库。
With respect to a unit of data ( file, data base ), a program that accesses it.
能够访问数据单位 （ 如文件 、数据库 ） 的程序。 查看更多 行业释义…
With respect to a unit of data ( file, data base ), a program that accesses it.
能够访问数据单位 （ 如文件 、数据库 ） 的程序。 查看更多 行业释义…
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