关于12本书1. 1Z0-001 PL/SQL 4本(这里是分章放在PLSQL目录中的)2. 1Z0-023 DBA 2本Architecture And Administration V1Architecture And Administration V23. 1Z0-025 Backup & Recover 2本Backup And Recovery Workshop V1Backup And Recovery Workshop V24. 1Z0-024 Performance & Turning 2本Performance Tuning Workshop V1Performance Tu