1. A method for restoring data, said method comprising: a computer system receiving a request to restore one or more data objects from an unmounted relational database file that is a backup copy of a mounted relational database file of a secured relation database management system (RDBMS); the computer system retrieving a previously stored schema corresponding to a data structure of said unmounted relational database file; the computer system using said schema to retrieve said one or more data objects from said unmounted relational database file, wherein said one or more data objects are retrieved without mounting the unmounted relational database file, and wherein said using includes: the computer system using said schema to access said unmounted relational database file, wherein said schema includes information describing a user-defined table stored in said unmounted relational database file; the computer system reconstructing the user-defined table including one or more records associated with the user-defined table, wherein said one or more reconstructed records respectively correspond to data objects stored in said unmounted relational database file; the computer system selecting one or more reconstructed records from said reconstructed user-defined table wherein said selected one or more reconstructed records correspond to said one or more data objects to be retrieved from said unmounted relational database file; the computer system initiating retrieval of said one or more data objects to be retrieved from said unmounted relational database file; and the computer system providing said retrieved one or more data objects to said secured RDBMS.