From: "Dean, Robert"
They have a free version, if you don't want to pay for support.
And read the license. There are usage restrictions.
-Nathan
Program-unique Terms
1) Redistribution Information
This Agreement does not permit redistribution of the Program; however, a
redistribution license may be available under a separate agreement for the
binary code versions of the Program. Please contact an IBM Sales Representative
or revisit the location from which you obtained the Program to obtain
information for the appropriate royalty-free distribution license.
2) Usage Restrictions
The following restrictions apply to the Program:
2.1) Resources
The total amount of resources allocated to all DB2 instances on a given server
cannot exceed:
a) 2 processor cores; and
b) 2GB of memory
where a server is defined as a dedicated physical server or a virtual server
created by partitioning a physical server.
Any other use requires that you acquire a different edition of the Program under
the terms of the International Program License Agreement.
2.2) Clustering Software
This Program may not be used in a clustered database environment. A clustered
database environment in this case refers to DB2 Express-C being run on a group
of servers connected together to create a single database image to facilitate a
performance gain or to act in a high availability and disaster recovery
scenario. All clustering environments, regardless of implementation, are
restricted.
2.3) Optional Add-on Features
You are not authorized to use any of the following with the Program:
Database Partitioning Feature, Performance Optimization Feature, Homogenous
Replication Feature, High Availability Feature, Governor, Storage Optimization
Feature, Materialized Query Tables, Multi-Dimensional Clustering, Query
Parallelism, Connection Concentrator, Label Based Access Control, Geodetic
Extender, and Workload Management.
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