DB2 (Database 2) is one of the relational database management system (RDBMS) which is designed by IBM. There are different versions and editions of DB2 which are applicable or used from single-user application to multi-user application which fetch the data from DB2 database. It is the DB2 Enterprise Server Edition which runs on Windows, Linux or UNIX (AIX) platforms. It also runs on the mainframes like z/OS which provides value facilities to the users. It is administrated either from command line or from GUI but from command-line it can be easily scripted and automated.
Possible Reasons For these Un-accessibilities Are:

Since the DB2 contains lots of data and very important and precious data we need to make the database work for you and that can be done by repairing the DB2 database. To repair it you need to use software called DB2 Database Repair. This software's powerful and efficient algorithm searches for the corrupted files and repairs it effectively. It also displays the corrupted files in a tree like structure so that you can view it. DB2 Database Repair software is equipped with many ingenious features that make it a powerful repair software.
Some of the features that it includes are:
So, if you find your DB2 database corrupted and unable to access any data then just opt for DB2 Database Repair software and get rid of damaged data.
When the DB2 database repair software is launched, you get 2 options for databse selection to perform. In case if the database is attached with DB, 'select Repair the database stored at default location' option or in other case, go for 'Manual selection of database for recovery' option.
The database attached to DB2 are displayed, choose the one you are in need to repair
In this step, all the repaired and recoverable DB2 database files are displayed. Select those you want to restore and see teh preview
Finally, save the recovered files to a desired location specified by you.
