•  Upgrade oracle database from 12cR1 to 12cR2 version:
•  Convert non-partitioned table to partitioned table online
• Datapump New features – Oracle 12.2 Version
• Lock Account Automatically With INACTIVE_ACCOUNT_TIME
• PDB Lockdown Profiles in  Oracle 12.2
• SQL*Plus History In Oracle 12.2
• Long Identifiers In Oracle 12.2
• DBMS_TNS  package for tnsping in  database Oracle 12.2
• Spool CSV In Oracle 12.2
• VARIABLE new feature  in Oracle 12.2
• Move table online in Oracle 12.2
• Read only Partition in Oracle 12.2
• Split partition online oracle 12.2
• Local/Shared Undo mode in oracle 12.2 multitenant database
• How To Flashback A Pluggable Database ( PDB) In Oracle 12.2