October 10, 2007

    AUL version 4 support LOB data type, including inline LOB, in row LOB and out of row LOB. I need to introduce few new options of AUL, the following two are only related to CLOB data type:  ...

    How many files can be stored in on directory? I don't know the answer. But when one directory have a lot of files, it will be very hard to operate, and may slow down the file access speed....

October 11, 2007

    All the blocks of a chunk must be continual with a single extent, because you cannot specify a chunk size larger than the next extent size. Based on this rule, I add different chunk size support to AUL...

    When you prepare to do recovery of partitioned table with LOB columns with AUL4, you must modify the LOB index's partition name first in "AULOBJ.TXT". I have thought that the LOB index have the same partition name with...

    I provide Oracle data recovery service for you, it's not free, so you will be charged, we need get an agreement on the charge first. How much you will be charged? I am not selling a product or...

November 2, 2007

    Oracle compress can save a lot of storage for us, so I believe that more and more companys will start to use it. I spent few days free time on it, and add the compress feature support in...

November 8, 2007

    I rewrote severl key functions in AUL to add the compress table support, but I found that the DMP format support is more robust in AUL 5. When I use the latest AUL 4 to unload table "SYS.IND$"...

November 19, 2007

    I provide Oracle data recovery service by internet. When I say data recovery, always means cases without valid backup available, and have to use AUL/MyDUL to read data directly from existing data files. There are four types of...

November 20, 2007

    I have been writing and maintaining AUL/MyDUL software for three years. Just wondering how much lines of C code I have wrote and did a count, strangely there are less lines than I have expected (10000 lines).  ...

March 20, 2008

    AUL just focus on the data recovery, it does not generate the source code of the stored procedures, but we can recover them. Just recover some kernel table's data and load them into new database, then run query...

About MyDUL

AUL (MyDUL) is an data recovery tool with the same feature as Oracle DUL, it can read rows directly from Oracle data files without Oracle environment, so it can be used to perform recovery when you cannot open the database and have no valid backup available , it has been more than two years since the frist commercial data recovery for a customer from HongKong.

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