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。

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And also by using the principle and mechanism of ODBC interface technique PB to access the database, this paper provides a solution based on ODBC middleware for heterogeneous database integration.

提出了用PB的ODBC接口访问数据库的原理和机制，为异构数据库的集成提供了一种基于ODBC中间件的解决方案。

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Open database Cpnnectivity (ODBC) is a call level interface to database.

ODBC足一种数据库与应用程序之间的调用级别接口。

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