Design and implementation of data query system of gas metering station based on Web
Zhang Li · Journal of Wuhan Institute of Technology · 2012
Data query system was composed of data query module and data comparison module.The gas real-time data and history data were known by query module,which was easy to query all kinds of traffic data.Data was compared by graph in the comparing module,and the data was changed into graph and so the decision could be made by managers easily and conveniently.The system is based on various daily reports and charts,the data query is efficient and accurate.