Some application need multiple databases for different module to vary purpose so DBA created multiple database on same server and it's very difficult to identify difference between the databases because at the same time DBA have to keep database sync to each other like number of tables, indexes should be same so using JAVA utility DBA can identify difference between the databases and take necessary action on linux, unix & windows platform.
Download the zip file in which is included db2utils.jar and db2diff.prop files. Modify .prop file as per your environment.
C:\Program Files\Java\jre\bin> java -cp db2utils-1.8.jar Db2Diff
As given above command Db2Diff is a filename where need to add required settings.