With version 9.7 of DB2 LUW, IBM winks at all Oracle DBA’s, grater in number than DB2 DBA's.

This version introduced Oracle compatibility modes that allow to perform tasks in DB2 at the 'Oracle way'. 

However, is important to know the translation of terminology between Oracle and DB2 if you have the intention to get into the DB2 world.

In this tables, I relate general terminology, versions, utilities and views from IBM DB2 and Oracle databases.

Terminología Oracle vs DB2 general

Terminología Oracle vs DB2 Catalogos

Terminología Oracle vs DB2 Versiones