By the analysis of the traditional DCA(debt-credit accounting)accounting model s defects and limitations in the article,REA(Resources,Events,Agents)data model is explored in a new circumstance, including its definition,features and development both on theory and practice ;Based on its features events accounting,database accounting and REA accounting are compared.

The safety precautions for network accounting data;

It increases the management standards of accountancy and brings enormous benefits to enterprises, but there is also a possible threat to the safety of accounting data.

This paper analyses the challenge of the network accounting data for the auditing.

The database design of full text retrieval system;

Database Design and System Realization for the Heterogeneous Development Environment of Turbine Generator;

The Database Design for the Personnel Management System

Database audit is an important part of database security.

Combining the need of daily maintenance of highway,it has realistic value to discuss the design of database for highway maintenance information system,the frame of software and hardware and the design of function module of the system,and analyze some key methods in detail,such as dynamic subsections,and so on.

In the paper the author discusses how to use uml to design the database in details,and briefly analyzes the object-relation database that has influences on the design of database in the future.