A C/S architecture query software is developed to solve the problem that the query of China's ground climate values in the past 30 years is inconvenient.The redundancy of multiple TXT files storing climate values was removed,and they were split into multiple tables and stored in the Access database.The query interface is written in C#,and the site and table names are con-nected according to ADO.NET.The common query,united query and aggregate query are realized.The software realizes the quick query and export of data,and improves the work efficiency.
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