ISSN：1009-5020 CN：42-1610/P
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ZHU Xinyan, WEN Yi, LI Deren, GONG Jianya. RESEARCH ON DATA CONSISTENCY IN SPATIAL DATABASE SYSTEMJ. Geo-spatial Information Science, 2000, 3(4): 24-29. DOI: 10.1007/BF02829392
Citation: ZHU Xinyan, WEN Yi, LI Deren, GONG Jianya. RESEARCH ON DATA CONSISTENCY IN SPATIAL DATABASE SYSTEMJ. Geo-spatial Information Science, 2000, 3(4): 24-29. DOI: 10.1007/BF02829392
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RESEARCH ON DATA CONSISTENCY IN SPATIAL DATABASE SYSTEM

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    • Abstract
  • In this paper, two cases of data consistency problems are discussed in Multi-user Geographical Information System. When a user updates some spatial data that have been accessed by other users in database, or executes an UNDO/REDO operation, data consistency will probably be destroyed. To solve the problem caused by the first case, a "Notification-Reread Method" is introduced. As for the second case, there are many problems to be studied.
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