Password file-base authentication: authentication is based on the password and shadow files or interaction with Network Information System (NIS), on the machine where the database server is installed.

基于密码文件的身份验证：身份验证基于安装数据库服务器的机器上的密码和影子文件，或者与Net work Information System (NIS)的交互。

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Introduces how to build a the ECG Network Information System in Cardiology Dept, and describes the database interface and data interactive of the ECG - NIS.

本文主要阐述我院心电网络信息系统建设的解决方案，重点对ECG - NIS的数据库接口和数据交互方式进行了描述。

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