Oracle Database 12c Admin

Enterprise Manager and Other Tools

• Enterprise Manager (EM) Cloud Control home page
• Enterprise Manager Express home page versus Enterprise Manager Database Control
• SQL Developer with new functionalities
• OUI, DBCA

Basics of Multitenant Container Database (CDB)

• Benefits of the multitenant architecture
• Differences between the root container and pluggable database containers
• Structure of the root
• Structure of Pluggable Database (PDB)
• CDB_xxx and DBA_xxx views
• Impacts in Security, Data Guard, Oracle GoldenGate, Oracle Streams, XStream, and Scheduler

Configuring and Creating CDB and PDBs

• Tools: DBCA and SQL*Plus
• Configuration and creation of CDB
• Exploring the Structure (CDB_xxx views and EM)
• Tools used: SQL Developer, DBCA and SQL*Plus and EM Database Express
• Create a new PDB from PDB$SEED
• Create a PDB from a non-CDB
• Clone a PDB into the same CDB or into another CDB using DB links
• Plug in an unplugged PDB

Managing CDB and PDBs

• Connect to CDB as administrator
• Connect to a PDB using a service name
• Start up a CDB
• Open / Close a PDB (SQL*Plus, srvctl, EM)
• Open / Close all PDBs
• Shut down a CDB
• Preserve or discard the PDBs open mode when the CDB restarts
• Change PDB state

Managing Tablespaces, Common and Local Users, Privileges and Roles

• Create permanent tablespaces in the root and PDBs
• Manage common and local schemas and users in the root and PDBs
• Manage system and object privileges to common and local grantees granted “commonly” or “locally”
• Manage common and local roles granted “commonly” or “locally”

Managing Backup / Recovery / Flashback

• Backup a whole CDB
• Backup a PDB
• Recover CDB from redo log files, control files, undo datafiles loss
• Recover PDB from PDB datafiles loss
• Flashback at CDB level
• Explain the two methods of migration

Online Datafile Move and Automatic Data Optimization

• Data classification in 12c : tablespace, group, object, row levels
• Configure heat map
• Automatic movement and compression
• Compression levels and types
• Policy declaration: simple declarative SQL extension
• Customized automated action execution with user-defined function
• Execution in scheduled maintenance windows and by MMON
• Customized schedule with DBMS_ILM package

In-Memory Caching

• Setting up Full Database In-Memory Caching
• Using Full Database In-Memory Caching
• Explaining the two buffer replacement algorithms of Automatic Big Table Caching
• Configuring Automatic Big Table Caching with PARALLEL_DEGREE_POLICY and DB_BIG_TABLE_CACHE_PERCENT_TARGET initialization parameters
• Using Automatic Big Table Caching

SQL Tuning

• Adaptive Execution Plans
• SQL Plan Directives
• Statistics Gathering Performance Improvements
• Histogram Enhancements
• Enhancements to Extended Statistics
• Adaptive SQL Plan Management

Resource Manager and Other Performance Enhancements

• Manage resources between PDBs
• Manage resources within a PDB
• Manage resources with CDB and PDBs plans
• Manage runaway queries
• Control the in-memory database repopulation resource consumption
• Automated maintenance tasks
• Current Architecture: Unix multiprocess / one thread, NT/Windows one process / multithread
• New Architecture: Multiprocess / MultiThread

Index and Table Enhancements

• Multiple indexes on the same set of columns as long as some characteristic is different
• Create table with INVISIBLE columns
• Support for invisible columns
• Describe online redefinition supports
• Explain LOCK timeout during FINISH_REDEF_TABLE
• Describe the Advanced Row Compression
• Using the following DDL statements in an online manner