为了在前端CGI显示代码和后端数据库及业务逻辑代码之间构建一个中间件桥，必须定义一个允许所有必需数据访问的API。
In order to build a middleware bridge between the front-end CGI display code and the back-end database and business logic code, an API that allows all necessary data access must be defined.
执行逻辑数据库备份，将数据和逻辑定义从数据库提取到一个文件。
Perform logical database backups as they extract data and logical definitions from the database to a file.
端点查找也可以通过数据库、消息的某个元素或自定义逻辑完成，从而支持使用第三方产品。
The endpoint lookup could also come from a database, an element of the message, or custom logic, which enables use of third-party products.
这种技术通常需要自己编写自定义的应用程序逻辑从XML文档中提取数据，然后放到关系数据库的表列中。
Often the technology in question is custom application logic that you wrote yourself to extract data from an XML document and put it into a column on a table in a relational database.
通过利用Rails迁移和在Ruby文件中定义数据库模式更改，可以以逻辑的方式对更改进行版本控制。
By utilizing Rails migration and defining your database schema changes in Ruby files, versioning of changes takes place in a logical manner.
基于记录的逻辑模型定义数据库的整个逻辑结构以及实现的更高级描述。
Record-based logical models define the overall logical structure of the database as well as higher level description of its implementation.
基于记录的逻辑模型定义数据库的整个逻辑结构以及实现的更高级描述。
Record-based logical models define the overall logical structure of the database as well as higher level description of its implementation.
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