How to Fix Error 204 in Corrupted DB2 Version 8 Database ?

DB2 is the relational database management system which is designed by the IBM; it is very popular database among the users. Nowadays this database is used by many reputed associations as the backend support. It is very efficient database that gives you the choice to work on the databases either using its command line argument or by using its GUI (Graphic User Interface). So it is easily operated by its both types of user i.e. normal users and professional users. So that through this database one can efficiently store and manage their information in a tabular format.

But sometimes the DB2 database gets damaged due to the various causes such as database header corruption, improper system shutdown, bugs in the database software, virus infections, etc. If you are facing any error message while using this database then it is necessary to apply any method in the way to fix those errors because after sometime a small error can corrupt the entire database. To fix db2 errors you can use either manual method or automatic method according to your requirement and error of the database. If the error is very dangerous or big then manual method didn’t work and you have to apply third party DB2 repair software.

There are many types of error but some error are generates due to a small mistake, let us consider that you are using DB2 version 8 database and you run the “Select query” to get some records, but database gets fails to execute this query with an error message that is:

“DB2 SQL error: SQLCODE: -204, SQLSTATE: 42704 DB2ADMIN.TABLE” [SELECT
* FROM IDSC.TABLE]”

Cause 

The main cause of this mistaken situation is the recognized object is not definite in the DB2 subsystem. You may have subjected COMMENT ON PACKAGE without provided that a version. Because of this problem DB2 database has internally chooses for the NULL version but could not locate the NULL version. And another cause of this error is your database gets corrupted internally or damaged very badly.

Resolution

To fix this error, you should perform the given steps:

-First of all verify that the SQL statement is correct by inspecting the name of object including the qualifiers.

-After verification of SQL statement if you found that it is correct, then verify the object exists in the database and then execute the SQL statement again.

If the above given tricks is unable to fix db2 errors then it is sure that the database gets corrupt due to any reason. The restoring method is the best way to recover data from a corrupt database. So use the updated backup file of your database and restore it by manual method. But apply this method only when your database is updated.

You can also try DB2 error repair tool to restore a corrupt database, this tool doesn’t need backup file. This method is one of the best method to fix DB2 database. So apply this tool and retrieve your corrupt database.

Steps to Fix Error 204 in Corrupted DB2 version 8 Database:

Step 1:  Download, Install and Run DB2 File Repair software. It will provides two options to repair db2 file, first option is for if the database is attached to DB2, then you can select the option ‘Repair the database stored at default location‘, and if the database is not attached to DB2 then choose the manual selection of database.

Step 2: It will provide you the list of database attached to DB2. Select the particular database you want to repair and recover corresponding database objects.

Step 3: In this step this tool provide the list of recoverable database files. You can see the preview by clicking on it.

Step 4: Give the path location for the recoverable database and its object to be saved. Click on ‘Ok’ button.

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