hi,
I have 9+yrs of experience in oracle core and APPS database administration,oracle database migration, upgradation,single instance and cluster configuration (ORACLE RAC), Dataguard,Golden gate ,OCI cloud,AWS RDS, AWS EC3,S3 and development experience like SQL and PLSQL.I have lot of database upgrade from oracle 12c to 18c and 19c from on premise to on premise and on premise to oracle cloud AWS RDS and EC2 using DMS or S3. please let me know if you need any db support.