When installing Oracle Software, you can create 12c CDB, PDB Databases using OUI, just like you used to do in the previous versions of the Oracle database.
Quick consolidated Study Guide covering covering topics required to prepare for the Oracle 12c OCP Upgrade Exam 1Z1-060.
Oracle database 12c has about 500+ new features when compared to 11gR2. Among these features there will be some which get the mainstream attention. But often little caveats or enhancements prove to be as vital as the big ones. One such enhancement is the ability to have multiple indexes on same column or same set of columns. Lets look at this feature and the possible uses cases.