OCA references

(1) Oracle® Database Platform Guide10g Release 2 (10.2) for Microsoft Windows (32-Bit)
(2) Oracle® Database Installation Guide10g Release 2 (10.2) for Linux x86 Number B15660-02
(3) Oracle® Database Concepts10g Release 2 (10.2) Part Number B14220-02
(4) Oracle® Database Administrator’s Guide10g Release 2 (10.2) Part Number B14231-02
(5) Oracle® Database Security Guide10g Release 2 (10.2) Part Number B14266-01
(6) Oracle® Database Performance Tuning Guide10g Release 2 (10.2) Part Number B14211-01
(7) Oracle® Database Utilities10g Release 2 (10.2) Part Number B14215-01
(8) Backup and Recovery Basics
(9) Enterprise Manager Concepts
(10) Enterprise User Administrator's Guide
(11) Net Services Administrator's Guide