Nassyam Basha is an Oracle DBA, OCM 11g, Oracle ACE Director, author of the Data Guard 11gR2 book, blogger, OTN Super Hero, MOSC Guru, and writer with OTN, and DELL. He has 9 years of hands-on experience in High Availability technologies such as Oracle RAC, Data Guard, Exadata, and much more. He currently works with The Pythian Group, In ... Read morethe past he has worked for AT&T (Bell Labs), dbaDirect, and SLK software services. YV RaviKumar is an Oracle ACE and Oracle Certified Master (OCM) with over 17 years of experience in banking, financial services and insurance (BFSI), and played various roles such as Senior Database Architect and Production DBA Support for BFSI. He has written more than 30 OTN articles on Oracle Exadata, Oracle RAC, and Oracle Golden Gate in OTN-Spanish, OTN-Portuguese, and OTN-English. He also has written articles on Oracle Exadata, Oracle RAC, GoldenGate in TOAD World (Connected Intelligence), All Things ORACLE from Redgate & OTech Magazine-summer 2015. He is a member of the All India Oracle User Group (AIOUG) and a frequent Oracle speaker in OTN Yathra, AIOUG Sangam ,IOUG, and Exadata SIG. He designed, architected, and implemented the Core Banking System (CBS) Database for the Central Banks of two countries - India & Mahe, Seychelles. KM Krishna Kumar is a Database Administrator. He holds a Master of Business Administration degree from Anna University. He started working with Oracle technologies from 2004 as a DBA and worked with the Oracle Corporation for 5 years. He was involved in beta testing the database upgrade and wrote Oracle knowledge articles. He is an Oracle 11g and 12c Certified professional and has knowledge of Oracle technologies in areas such as installation, patching, migration, DB upgrade using various methods, Data Guard, RMAN, and RAC. He has delivered presentations to customers through various channels. Show Less