resses, so fetching the record to which it refers
just means reading it from disk by its disk address.</p>
        <p>Network database systems generally permit records to contain integers,
floating point numbers, and character strings, as well as references to
other records. An application can search for records of interest. After
retrieving a record, the application can fetch any record to which it
refers, quickly.</p>
        <p>Pointer traversal is fast because most network systems use physical disk
addr