Goldstar Software not only sells the PSQL database engine, but we can also provide support both before and after your purchase, as well as upgrade assistance, backup and DR solutions, training services, and much more. If you have ANY questions about the product lines, please call us at 1-708-647-7665 or send an Email to Sales@goldstarsoftware.com. You can also contact us via the web form below, or visit our main web site for more information.