Sambaiah Sammeta is an Oracle Certified Professional with 15+ years of experience working as an Oracle database administrator consultant. He provided DBA support for various clients, including clients in the banking sector, retail, health care services, automobile sector, and financial services. He is an Oracle cloud certified architect professional (2020 and 2019), Oracle autonomous database cloud certified, and Oracle database cloud certified specialist (2020). He planned and performed all the 11g to 19c and 12c to 19c database upgrades in a few of the major banking and health care sectors.

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Sukumar Chillakuru is a DBA by profession with 14+ years of experience. He is currently working as a database architect at Infolob Solutions India Pvt Ltd. Chennai. He worked in reputed IT firms like Oracle, CTS, Apps Associates, and Megasoft. He is an expert in performing Oracle Database Upgrades and Migrations. He is an Oracle certified professional in Oracle database, Autonomous database, Oracle Cloud Infrastructure Architect Professional, and Oracle Goldengate Certified Specialist.

He developed his passion for technical writing and grabbed the opportunity to work with Oracle University as an author and co-author of 5 different courses on Oracle Cloud Infrastructure and Oracle Autonomous Database.  

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