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PRM-DUL(Data Unloader) is an Oracle Database Disaster Recovery Tool .

PRM-DUL is available as a service or as a product. www.parnassusdata.com

PRM-DUL can be used to extract data from database instances that cannot be started and that are effectively scrap. It can also be used as a fast method to extract data.

PRM-DUL is a commercial version DUL ,everyone can download it from http://parnassusdata.com/sites/default/files/ParnassusData_PRMForOracle_3206.zip.

PRM (ParnassusData Recovery Manager) is developed by Java which can be run all kinds of JAVA supported platform, Including: AIX, AIX、Solaris、HPUX、Linux and Windows.

PRM is designed for Enterprise Database Recovery, which includes all Oracle DUL data recovery functionalities, and also easy-to-use GUI.

PRM almost can recovery Oracle database on all operating system, including:

Linux (RedHat, Centos, Oracle Linux, Suse)，AIX, Solaris, HPUX, Windows 2003 Server/XP/2000/NT。
PRM Support Oracle database which starts from 9i, 10g, 11g to 12c.

However, few cases are failed to recover from RMAN or Achieve lost. The only left is inconsistent data files that are not usable for Oracle database. Many DBAs did not realize that the data is still usable, but just cannot be read by Oracle instance. PRM is that kind of tool, which can read the data direct from disk or file system without Oracle Instance.
PRM can work on damaged file systems, ASM DiskGroup and data files. Even if Oracle data dictionary lost, PRM can also scan and recover dictionary based on inconsistent SYSTEM.DBF tablespace backup. PRM can support most of Oracle database functionalities for example, Cluster, LOB, and partition.

Highlights of PRM
• PRM is developed by JAVA and click to use version, which can work with AIX, Solaris, HPUX, Linux and Windows.
• Same performance and GUI across different of operating systems
• Rich GUI, and not necessary for script skills, even for new DBA
• PRM unique DataBridge, without any data exportation, and directly from source to destination, which saves time
• High performance and reliable
• PRM supports most of data structure, for example, LOB, BLOB, CLOB, NCLOB
• PRM supports ASM, which is directly read without any ASM copy
• PRM can save damaged data file on ASM DiskGroup, and this function is free in community version
• PRM optimized table recovery from truncated table.

Limitation
• Not support on 11g secure file lobs due to encryption and compression
• Label security
• Encryption
• CELL ASM DISK on Exadata
• Some complicated data structure

DUL a database scavenger tool

Sometimes something goes really wrong with a database or a filesystem, and suddenly the precious data can no longer be found, it looks gone. In most cases standard recovery procedures will solve the problem. In rare cases recovery also fails and all that is left are the broken damaged pieces. What most people do not realize is that the database or the filesystem is typically not wiped out, it is inaccessible, but most data is unharmed. DUL is a tool that is able to retrieve the remaining data from the smallest snippets that are still available. The smallest element accepted is an Oracle database block. It can work with corrupted files systems, ASM disk groups, parts of datafiles, it will use the dictionary if usable for DUL (even an older backup of the dictionary works most data is relative static). Most Oracle features supported. There is also functionality to mine damaged exp and expdp dumpfiles

There is a good introduction to PRM-DUL on the front page of the site that includes a list of all of the features supported. It works with Oracle 8,8i,9i and 10g, the dictionary can be recreated, missing SYSTEM tablespaces can be dealt with, most data types are covered, whole tablespaces can be recovered, pl/sql, most major platforms are supported, chained, migrated rows, trailing NULL's and partitioned tables are supported.

[dbrecover.com]

PRM-DUL – ParnassusData Recovery Manager For Oracle Database, from ParnassusData Software System Inc., which can save your ORACLE database

PRM-DUL Product Introduction

PRM-DUL – ParnassusData Recovery Manager For Oracle Database，is developed by Parnassus Data Inc. for Oracle database recovery. Users can purchase PRM-DUL for its rich GUI on your recovery. Or, you can contact ParnassusData for professional service that is either onsite or remote for your request. Rich GUI wizard can guide your recovery process. PRM-DUL can recovery your data direct from your database file system (dirty read). If your data has not been covered, PRM-DUL can guarantee your 99.9% data back

Highlight of PRM-DUL

ParnassusData is an easy-to-use and high performance Oracle database recovery software:

Direct extract data from your Table and Cluster
Unique DataBridge can send your data from source to destination without any manual work
Direct from database file, reliable
If SYSTEM table exists, Dict-Mode is fit for it, and provide tree diagram for data preview
If SYSTEM table was lost, PRM-DUL also can scan and review data
Database system recovery is not necessary, PRM-DUL can work around Archivelog
Even, part of data block is damaged, PRM-DUL can also recover available data
Tested from Oracle 9i to 12c
Based on JAVA development, at least JDK 1.4, no installation. Support OS: Unix (AIX, HPUX, Solaris), Linux (RedHat、OEL、SUSE) and Windows
Fully support ASM

KEY BENEFITS

PRM-DUL: Your ORACLE Disaster Recovery Software

ParnassusData provide PRM-DUL product and license, and also end to end service 
Rich GUI, and easy to use 
Direct recovery from database
Support from Oracle 9i to 12c version
Support most of main OS
Support ASM, and ASM DiskGroup read
Provide remote and onsite service 
From previous experience, PRM-DUL can recover 100% of your data
Unique DataBridge
ParnassusData recommend client rebuild your database and also service 
ParnassusData can provide best practice on your recovery