Astronomical Data Analysis Software and Systems X ASP Conference Series, Vol. ... We demonstrate how to achieve fast access to data on a low cost desktop for a very large catalog using the Informix Ob ject-Relational database system. ... We also describe an extension of Informix that enables users to apply their IDL scripts to data stored in Informix using SQL. ... We also define utility and casting UDFs to access data returned by IDL and to pass data to IDL from the database server. ... Table 1. ...