PRM-DUL成功案例：为某电信运营商恢复了误删truncate的一百多张表。东南某电信运营商生产系统数据库部分数据表被误删除的问题，现场工作内容：采用PRM-DUL工具将所需要的共121张表恢复出来。

整个数据库大小在25T左右，由于还原的新环境存储空间有限，还原整个数据库不够现实。初步决定还原方案为先还原SYSTEM和data表空间，然后使用PRM-DUL直接读取数据文件，将数据导出。

实际这个case用户在带库里是由完整备份和归档的，但是实际情况所制约没有那么多空间和时间去从备份里恢复数据了，如果真的那么做，可能至少需要几天时间，而实际恢复业务要求在1天内。所幸的是业务对这些表的完整性要求不高，而且从后期来看在truncate后插入数据的量很少，所以这个case在协商后使用了PRM-DUL成功scan database字典模式下恢复truncate功能来恢复了。

免费的PRM-DUL License :http://www.parnassusdata.com/zh-hans/node/122

PRM- A FULL GUI DUL data unloader For Oracle Database

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PRM-DUL成功案例：为某电信运营商恢复了误truncate的一百多张表

PRM- A FULL GUI DUL data unloader For Oracle Database

TRY PRM-DUL Data Unloader For Oracle Database