Y V Ravi Kumar is an Oracle ACE Director (ACED) and Oracle Certified Master (OCM) with 25 years of experience in banking, financial services, and insurance (BFSI) verticals. He has worked as a Vice President (DBA), Senior Database Architect, Oracle Engineered Systems Architect, and Technology Advisor. He is an Oracle Certified Professional (OCP) from Oracle 8i/9i/10 g/11 g/12c/19c and an Oracle Certified Expert (OCE) in Oracle GoldenGate, RAC, Performance Tuning, Oracle Cloud Infrastructure, Terraform, and Oracle Engineered Systems (Exadata, ODA, ZFS and ZDLRA), as well as Oracle Security and Maximum Availability Architecture (MAA) certified.He has published over 100 Oracle technology articles, including ones for Oracle Technology Network (OTN), OraWorld Magazine, UKOUG, OTech Magazine, and Redgate. He has spoken twice at Oracle Open World (OOW). He has designed, architected, and implemented the core banking system (CBS) database for the central banks of two countries – India and Mahé, Seychelles. Oracle Corporation, US, awarded him the title Oracle ACE Director and published his profile in their Oracle ACE Program. They also published his profile on their OCM list and in their Spotlight on Success stories. He is the author of two Apress books, Oracle Database Upgrade and Migration Methods and Oracle High Availability, Disaster Recovery, and Cloud Services.Sambaiah Sammeta is an Oracle Certified Professional (OCP) with 15 years of experience working as an Oracle Database administrator consultant. He has provided DBA support for various clients, including clients in the banking sector, retail, healthcare services, automobile sector, and financial services service verticals. He is an Oracle Cloud-certified Architect professional (2020 and 2019), Oracle Autonomous database cloud certified, and an Oracle database cloud certified specialist (2020). He planned and performed all the 11g to 19c and 12c to 19cdatabase upgrades for several major banking and healthcare clients.Mariami Kupatadze holds the distinction of being the first Oracle Certified Master (OCM) in her country, Georgia, and is a former member of the ACE program, having previously held ACE status. Mari has published multiple articles in prominent industry publications, such as OraWorld e-magazine and Oracle Technology Network (OTN), and has been a featured speaker at prestigious events, such as the APAC Oracle Users Groups Community (APACOUC) and the Luxembourg Oracle Users Group (LUXOUG). In 2019, she authored a chapter on Oracle Sharding for the Apress book Oracle High Availability, Disaster Recovery, and Cloud Services. A prolific blogger since 2010, Mari has published over 400 posts on her blog, which has been recognized as one of the Top 60 Oracle blogs.
