The studies for the process data's application layers and its acquiring
Jianbo Hu · Industrial Instrumentation & Automation · 2004
Three layers of process data's application,named as data integration,data batch process and data revising,is proposed in this paper.Based on ODBC data bending technology,the creating and data acquiring method for three layers' data applications are studied.The data query,data modify and data browse are designed with SQL and ASP.The process data application model based on real-time database and relational database is derived,which is consist of real-time database used as data integration,batch database used as data batch and virtual database used as data revise.The study is very meaningful to the development of enterprise information building,equipment information management and command and decision making.