... OracleSQL and PL/SQL 1Z0-023: Oracle8iArchitecture and Administration 1Z0-024: Oracle8iPerformance and Tuning 1Z0-025: Oracle8iBackup and Recovery 1Z0-026: Oracle8i Network Administration ... Bognar, and Steve Hahn at Johnson Controls, Inc., Bill Ebner and Mike Talbot at B.C. Ziegler and Company, and Dave Hill, Doug VanHorn, and Keith Brockman at University of Wisconsin System Administration. ... Performance and Tuning 57 38 67% OCP: Oracle8i™ DBA Performance Tuning and Network Administration Study Guide 1Z0- 025 Oracle8i: Backup and Recovery 60 34 57% OCP: Oracle8i™ DBA Architecture & Administration...