Traditionally, relational DBMSs stored XML data as a single column-row entity (such as CLOB, BLOB, or VARCHAR) or decomposed ("shred") the XML data into multiple columns.
通常,关系型DBMS 将XML数据作为单个的列-行实体(例如CLOB、BLOB或VARCHAR)进行存储,或将 XML 数据分解(“撕碎”)为多个列。
The Entity Framework also includes a powerful mapping engine that allows developers to map the EDM schema to a relational database for actual storage.
NET实体框架还提供了一个强大的映射机制,让开发者能够很容易 地将EDM架构和实际的关系型数据库映射起来。
The entity EJB is an EJB2-complaint entity bean that USES CMP to access a relational database.
这个实体e JB是一个符合EJB2的实体bean,它用CMP访问关系数据库。
For better readability, the relationships in our scenario are expressed through object or relational metadata specified directly in the entity class files.
为了提高可读性,通过在实体类文件中直接指定的对象或关系元数据表达场景中的关系。
The main purpose of entity EJB components is to remotely access persisted data, mostly stored in a relational database.
实体e JB组件的主要目的是远程访问持续数据,这些数据主要存储在关系数据库中。
This is a relational view that contains information about credit default swap derivatives that involve a failure to pay by some known entity.
这是一个关系视图,其中包含信用违约互换衍生产品(即在发生违约时由某个知名的金融实体承担损失)的相关信息。
This time it's an entity EJB that uses CMP2 and EJB-QL to access relational database data.
这次,这个EJB是一个实体 EJB,它使用CMP2和EJB-QL访问关系数据库。
The sample application maintains the calculator state using a CMP entity bean that makes use of a relational database as the underlying persistence mechanism.
样本应用程序使用CMP实体Bean(它使用关系数据库作为底层持久化机制)来维护计算器状态。
The technical data quality dimension defines the data quality criteria often found in both the entity integrity and referential integrity relational rules found in logical data modeling.
技术性数据质量维(technical data quality dimension)定义数据质量标准。数据质量标准常常可以在逻辑数据建模中的实体完整性和引用完整性关系规则中找到。
The main thing you need to know is that in the Entity API domain names become the kind type — that is, User will logically map to a User kind — which is similar to a table in relational terms.
最主要的,您需要知道,在EntityAPI域中名称变为kind类型 —即User会逻辑地映射到一个 User kind —这类似于关系术语中的一个表。
The EntityManager.persist method saves an entity bean object as a row in its mapped relational table.
persist方法将实体bean存为与之对应数据表的一条记录。
Figure 4 presents an Entity Relational Diagram (ERD) that gives you the macro view of the company's simplified data requirements and operations.
图4是一个实体关系图(Entity RelationalDiagram,ERD),给出了公司简化的数据需求及操作宏观视图。
Only the element of place that means a specific entity in semantics is relational.
只有语义上表实体的处所成分才能被关系化;
Through entity-relational mapping tool to relational database mapping data into a target to achieve the object-oriented manner in order to operate the database.
通过实体关系映射工具将关系型数据库的数据映射成对象,实现了以面向对象方式操作数据库。
In a relational data base, a part of a relation that identifiers an entity and its attributes.
关系数据库中,标识一个实体及其属性的关系的一部分。参阅relation。
This paper extends relational schema and then forms the entity-dependent relational schema, which can be used to organize model bases or method bases.
本文通过扩展关系数据模型,形成了实体依赖关系数据模型,适用于组织有直接调用关系的模型或方法所组成的模型库或方法库。
A graphical data modeling tool, allowing one to build Entity-Relation data models for use with Relational Databases (RDBMS).
这是个图形化的数据建模工具,可创建使用关系数据库的实体-关系数据模型。
A graphical data modeling tool, allowing one to build Entity-Relation data models for use with Relational Databases (RDBMS).
这是个图形化的数据建模工具,可创建使用关系数据库的实体-关系数据模型。
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