Arun Kumar

  Having more than 11+ years of Oracle Architect experience, I am passionate to teach people "Oracle Database Administration" on various versions like 10g, 11g & 12c. My experience goes below: 

  1. Experience in cloning using cold backup, hot backup, RMAN and DBCA for Small to Large Databases. 

  2. Experience in Dataguard implementation and maintenance: Both Physical & Logical standby. 

  3. Experience in applying database patches using OPatch 

  4. Performed several database upgrades & migrations 

  5. Monitoring and Tuning database performance using Enterprise Manager, Scripts 

  6. Proficient in DBA utilities like RMAN, OEM, SQL* Loader, Export/Import, Data pump, Backup and Recovery. 

  7. Experience in creating, managing databases, tablespace, users, profile and schema. 

  8. Oracle database 10g, 11g, 12c Installation on Unix/Linux/Windows environment 

  9. Database creation and management of database objects and schemas. 

  10. Good experience in managing Oracle 10g & 11g RAC environments.