Common errors that occurs after DB2 database corruption and how to fix it!

These days database corruption is one of the most difficult and complicated issues to solve. Administrator or other individuals may have experienced many problem related to it and they may have found hard to solve or they may have wasted lots of time in solving the problems. But now you don’t have to because here you are going to learn about some common errors that occur after db2 database corruption, causes and how to fix these errors.

Errors that occur after DB2 database corruption are:

• Error 632 – when setting FK to De\ELETE SET NULL
• DB2 SQL error - SQLCODE: 204, SQLSTATE: 42704 DB2ADMIN.TABLE
• SQL0298N "BAD CONTAINER PATH"
• Errors 118 – when changing delete statement to select statement
• Error 204 – when dropping tables
• Error 545 – during inserting
• Error 532 – when deleting
• Error 408 – when calling stored procedure from a trigger
• Error 305 – executing embedded SQL
• Error occurred while validating field. It is assumed to be valid.
• Synonym XML file could not be opened.
• The application is not able to proceed with the installation of IBM DB2 Database as it is not compatible with operating system.

The above mentioned error is displayed only when there is corruption to db2 database files. When such error occurs then at that particular time users or operators find it difficult to fix the problems. But as I earlier mentioned that you will come to know how to fix it but before that let us also know what are the various cause by which db2 files gets corrupted and make them inaccessible.

Causes

• First prime factor behind the corruption could be virus or malware attack. It can easily corrupt entire computer data including DB2 files too.
• Sometimes sudden or improper shutdown of system can also lead to db2 file corruption. The sudden shutdown of system could happen due to power failure.
• If there is any interruption in network connectivity then it may also result in corruption to the database files.
• Malfunction of software or bug present in application can also corrupt db2 files.
• The “db2” file can also be corrupted if there is any hardware or software related issues arise.

Solution

There are two common options available to fix above all errors. They are:

1 – The first recovery option is that you can avoid such error by restoring database from a valid and recent backup. To restore data you can use Restore Utility Tool or you can also use “Restore Database” command.

Also Read: How to recover DB2 Database file by using Recover command?

2 – If you do not have valid or recent backup or if restoring is not workable from a backup then you can use second option. The second option is that you can uses third party DB2 File Repair Tool to fix all above errors permanently. Such tool is made to identify error automatically and recovers all db2 data after any possible corruption. It is capable of restoring all elements of db2 database like triggers tables, views, schema, containers, buffer pools, etc. So, if face any kind of corruption related to db2 database then you can blindly trust on DB2 file repair tool.