The controller is provided by a servlet that runs in the embedded Jetty Web server, and the Derby database ACTS as the back end and represents the model layer for the application.
控制器由一个servlet提供，该servlet运行在嵌入式JettyWeb服务器中，而Derby数据库则充当后端，表示该应用程序的模型层。
Next, you create a data source in the WebSphere Process Server to connect to the database layer.
接下来，在WebSphereProcessServer中创建数据源，以连接到数据库层。
To connect to a DB2 or Cloudscape database server, the Unified ODBC extension for PHP relies on the Call Level Interface (cli) layer of the DB2 client.
为了连接db 2或Cloudscape数据库服务器，PHP的统一odbc扩展需要依赖DB 2客户机的调用级接口(Call Level Interface,cli)层。
The Servoy environment employs an n-tier architecture which includes cross-database support, and advanced application server, and a variety of deployment options in the presentation layer.
Servoy环境采用一个n层架构，该架构包括跨数据库支持、高级应用程序服务器以及呈现层中的各种部署选项。
The full redundancy of the overall architecture of the host layer: the use of server virtualization, database clusters and other services to ensure continuity.
全冗余的整体架构主机层：使用服务器虚拟化，数据库集群等保障业务的连续性。
The system use SQLSERVER database as data-layer, Application server use database-connect-pool and SQL language to communicate with SQLSERVER database.
系统采用SQLSERVER数据库作为数据层的服务器，应用服务器使用数据库连接池和SQL语句来与SQLSERVER交互。
The data retrieve layer retrieves original data of CRBT service from production environment server. Then, loads them into database.
数据采集层负责将原始数据从彩铃业务主机批量采集到统计分析主机，加载到数据库中。
Black database server is in the middle layer of the system, and is the hinge of the system because all kinds of data are stored or transmitted through the server.
盲数据服务器在系统的中间层，是系统中信息流动、转换的枢纽，所有数据都要经过盲数据库服务器存储或转发。
Black database server is in the middle layer of the system, and is the hinge of the system because all kinds of data are stored or transmitted through the server.
盲数据服务器在系统的中间层，是系统中信息流动、转换的枢纽，所有数据都要经过盲数据库服务器存储或转发。
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