摘要: 导出一个用户下的所有表数据 常用的命令 Exp user/password@instance file=file.dmp rows=y log=log_name 其中username/password为导出用户的用户名和密码 Instance为导出的实例名阅读全文

摘要: Shapefiles are the most common format for GIS vector data, and just about every GIS program, free or commercial, can open them. Unfortunately, older vector data is often in the ArcINFO interchange E00...阅读全文