Oracle数据库故障：存储掉盘超过上限，lun无法识别。管理员重组存储的位图信息并导出lun，发现linux操作系统上部署的oracle数据库中有上百个数据文件的大小变为0kb。数据库的大小缩水了80%以上。取出&并分析oracle数据库的控制文件。重组存储位图信息，重新导出控制文件中记录的数据文件，发现这些文件的大...

文章 2022-02-17 来自：开发者社区

oracle数据库修改表空间数据文件大小，优化存储

查询数据文件存储使用情况/** 示例1 只查询*/select b.file_id 文件ID, b.tablespace_name 表空间, b.file_name 　物理文件名, ....

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