Different versions of DB2 Server has different features. You have to choose appropriate DB2 version according to your use.
|DB2 Server Editions
|Advanced Enterprise Server Edition and Enterprise Server Edition (AESE / ESE)
||It is designed for mid-size to large-size business organizations. platform - linux, unix, and windows. table partitioning high availability disaster recovery (hard) materialized query table (mqts) multidimensional clustering (mdc) connection concentrator pure xml backup compression homogeneous federations.
|Workgroup Server Edition (WSE)
||It is designed for workgroup or mid-size business organizations. using this wse you can work with - high availability disaster recovery (hard) online reorganization pure xml web service federation support DB2 homogeneous federations homogeneous sql replication backup compression.
||It provides all the capabilities of DB2 at zero charge. It can run on any physical or virtual systems with any size of configuration.
||It is designed for entry level and mid-size business organizations. it is full featured DB2 data server. It offers only limited services. this edition comes with - web service federations DB2 homogeneous federations homogeneous sql replications backup compression
|Enterprise Developer Edition
||It offers only single application developer. It is useful to design, build and prototype the applications for deployment on any of the ibm server. The software cannot be used for developing applications.