GT/SQL <tool> An {SQL} {pre-processor} from {Greystone Technologies} which combines {MUMPS} code with {SQL} code and generates code that can work with a {database} from both the MUMPS and SQL perspectives. This is often done when a database is to be made available in a {client/server} environment, where the MUMPS database serves one or more SQL {clients}. (1995-01-10)