【摘要】 空间数据的备份与恢复是保障空间数据安全的关键,也是GIS系统的重要环节之一。本文介绍了基于Oracle 9i和ArcSDE空间数据库的一些常用备份工具和方法,同时也介绍了利用Oracle备份机制来备份空间数据的几种方式,并就空间数据备份与恢复过程中容易出现的问题提出了自己的看法和建议。更多还原

【Abstract】 Copy and recovery of spatial database is the key to ensuring safety of spatial data,is one of the most important storage.The common copy tools and methods of spatial database are introduced based on Oracle 9i and ArcSDE.Several copy modes of spatial database are introduced using Oracle,and ideas and advices are put forwards to for the problems in copy and recovery.更多还原