Oracle stated in its product announcements that manageability for DBAs had improved from Oracle9i to 10g. Lungu & Vatuiu[46] assessed the relative manageability by performing common DBA tasks and measuring the time. They performed their tests on a single Pentium CPU (1.7 GHz) with 512 MB RAM,running Windows Server 2000. Summarizing the results from Oracle9i to 10g: Installation improved 36%,Administration 63%, Backup and Recovery 63%, and Performance Diagnostics and Tuning 74% for a weighted Total of 56%. The researcher’s conclusion is that “Oracle10g represents a giant step forward from Oracle9i in making the database easier to use and manage.”