In this sample, two database tables are imported from DB2, and the XML structure is extracted from the sample file.
这个示例从DB 2中导入两个数据库表，并从示例文件中提取XML结构。
Definition: a relationship exists between two database tables when one table has a foreign key that references the primary key of another table.
定义：当两个表中，一个表的外键和另一个表的主键存在一种关联关系，我们把这种关系称为数据库关系。
Second extracts the triples of the characteristic sentences according to custom rules and expresses them by Ontology, also respectively stored in two database tables.
其次，根据自定义规则抽取出了特征句子中的三元组，表示成本体，同样分别存放在数据库的另外两个表中。
By separating these, we intended to reduce the performance impact of logging queries of the file database; they are not merely separate tables, but two separate databases.
这么做是为了减少记录文件数据库查询所带来的性能影响；它们不但是单独的表，而且还是两个单独的数据库。
The example in Listing 2 connects to the test database and creates two tables.
清单2中的例子连接到测试数据库并创建了两个表。
This means you need to design the database system in such a way that you divide the database tables into modularized and optimized partitions of two types — static and dynamic.
这就意味着您需要以这样的方式设计数据库系统，即将数据库表划分成两种类型——静态和动态——的模块化、最优化部分。
Once the rows are sorted, the algorithm for joining the two tables is easy: the database server simply reads both sorted tables sequentially and merge all rows if they are matching.
一旦实现了对行的分类，连接两个表的算法就十分容易：数据库服务器仅仅连续地读取两个已分类表，并合并所有相匹配的行。
The database manager creates and maintains two sets of system catalog views that are defined on top of the base system catalog tables.
数据库管理器创建和维护两组系统编目视图，这些视图是在基本系统编目表之上定义的。
Collocation between two joined tables in a query means that the matching rows of the two tables always reside in the same database partition.
一个查询内的两个合并表之间的并置意味着两个表的匹配行将总是处于相同的数据库分区内。
The SQL JOIN statement has long been in the toolkit of database programmers, allowing you to combine the data contained in two or more relational database tables based upon a common attribute.
数据库编程人员对SQLJOIN语句的使用由来已久，通过该语句可以基于相同的属性将两个或更多关系数据库表中的数据组合到一起。
In the federated database we defined servers to access the two DB2 databases and nicknames to map the TPC-H tables from those DB2 databases.
在联邦数据库中，我们定义了服务器来访问这两个DB 2数据库和昵称，以从这些DB 2数据库映射TPC - h表。
This article has explored some common database functions such as updating a database, displaying query results, joining two tables together, and filtering the results using various filter conditions.
本文已经开发了一些普通的数据库功能，例如：更新一个数据库、显示查询结果、连接两个数据表、以及使用不同的过滤条件筛选结果等。
Since this database does not have any XML capabilities, the product document needs to be decomposed into the two relational tables.
因为此数据库不具有任何XML功能，产品文档需要分解到两个关系表中。
They offer two fundamental database design options — storing each XML document intact as a single large object or "shredding" it into multiple columns often across multiple tables.
它们常常提供两种基本的数据库设计选项——将每个XML文档完整地存储为一个大型对象，或者将它“撕开”，分散存储在多个表的多个列中。
Now, when the same query is run, the native SQL that is generated is a single select statement joining the two tables from the different catalogs at the database tier as shown in Illustration 10.
现在，当同一个查询运行时，生成的原生sQL是单个选择语句，在语句在数据库层联接来自不同目录的两个表，如图10所示。
The customer service database should now have two tables: customers and interestgroup.
客户服务数据库现在应当会有两张表：customers和interestgroup。
This tutorial describes two ways to combine data from different tables in an IBM DB2 database.
本教程描述组合来自IBMDB 2数据库中的不同表的数据的两种方式。
Jetty creates an instance of the application class, DerbyDatabase, which boots the embedded Derby engine, creates the database (only once), and creates two tables and loads some rows.
Jetty创建应用程序类的一个实例DerbyDatabase，该实例启动嵌入式Derby引擎，创建数据库(只此一次)，然后创建两个表并装载一些行。
To better understand this, let's return to the world database and consider two of its tables, Country and City, which are linked to each other via the code foreign key.
为了更好地理解这一点，我们回到world数据库并考虑它的两个表Country和City，此二者通过code外键相互链接在一起。
The back end starts with a simple MySQL database that has two tables.
后端从一个有两个表的简单MySQL数据库开始。
The rest of this article focuses on creating the sample schema for Bigdog's Surf Shop — which consists of these two tables — in a Derby database.
这篇文章其余的部分将侧重于在Derby数据库中创建Bigdog ' sSurfShop的示例模式——模式中包含这两个表。
For simplicity, the BANK database consists only of two tables, account and auditlog.
出于简单性，BANK数据库只包含了两个表，account和auditlog。
The following table shows the population of the InfoSphere MDM Server database tables when the two sets of input data are loaded.
下表展示当这两个输入数据集被加载时InfoSphereMDMServer数据库表的填充情况。
In a database, three tables represent m: m relationships: the two tables you'd expect (Book and Author), and a third join table (BookAuthor).
在数据库中，用三个表表示m： m关系：前两个表您已经知道了(Book和Author)，第三个是一个连接表(BookAuthor)。
The traditional (SQL or other) script-based data analytical reports are usually built by pulling data from two-dimensional relational database tables.
传统的(SQL或其他)基于脚本的数据分析报告的构建方式常常是从两维关系数据库表中获取数据。
Normalization usually involves dividing a database into two or more tables and defining relationships between the tables.
规范化通常包括：将一个数据库拆分为两个或更多的表，并定义表之间的依赖关系。
I had joined two tables from my database and for the life of me couldn't figure out how to get rid of the duplicate data that was coming from the table I joined.
我从数据库和加入了两个表的生活我无法弄清楚如何消除重复的数据来自表我加入。
This topic describes how to manually create a conceptual model in which an entity type is mapped to two tables in the underlying database.
本主题介绍如何手动创建一个概念模型，其中将一个实体类型映射到基础数据库中的两个表。
When using legacy data in a conceptual model, it is sometimes useful to be able to map a single entity to two tables in the database.
在概念模型中使用旧式数据时，有时可以将一个实体映射到数据库中的两个表会非常有用。
Provides step by step details for saving modified data in two related data tables to the underlying database.
提供将两个关联的资料表中已修改的资料，储存至基础资料库的逐步详细资料。
应用推荐