Perhaps surprisingly, not all businesses that have been going for decades use mainframe COBOL. On 26 Jun 2012, at 16:40, Dennis Williams <oracledba.williams@xxxxxxxxx> wrote: List, Just a small curiosity on my part. Since most banks started decades, I would have assumed that the heart of the banking operations would be IBM mainframes (running custom COBOL code). I realize that over the years new applications will have been added that may include Unix, Oracle, etc. Dennis Williams -- //www.freelists.org/webpage/oracle-l