I am an Oracle Certified Professional, having around 4+ years of rich experience on various platforms/technologies in Database administration, and very good experience of all Oracle versions 8.x, 9.x and 10g on several platforms like HP-UX, AIX, SUN-Solaris, Linux, and windows, with practical exposure of RAC, Flashback technologies, Dataguard, Physical Standby, RMAN, OEM, Partitioning, Replication, Streams, ASM