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This paper analyzed the status of current solutions of urban geological data management and the intricate features of urban geological data, and introduced a "control table" concept via the mechanism of view in the relational database. The operation of the data by users and the processing of the data by computer were separated by "control table", it did not allocate physical storage...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.