"The HMRC data warehouse IT estate has evolved over many ... The underlying databases include Oracle 9i, Oracle 10g , Oracle 11.1.07, IBM DB2 v5, and Microsoft SQL Server 2000 and 2005.

It's a challenge now for customers trying to put together data warehousing ... to us." IBM recently rebranded Information Integrator, moving it to the WebSphere nomenclature from DB2.