New Features for DBA’s

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All information is offered in good faith and in the hope that it may be of use for educational purpose and for Database community purpose, but is not guaranteed to be correct, up to date or suitable for any particular purpose. db.geeksinsight.com accepts no liability in respect of this information or its use. This site is independent of and does not represent Oracle Corporation in any way. Oracle does not officially sponsor, approve, or endorse this site or its content and if notify any such I am happy to remove. Product and company names mentioned in this website may be the trademarks of their respective owners and published here for informational purpose only. This is my personal blog. The views expressed on these pages are mine and learnt from other blogs and bloggers and to enhance and support the DBA community and this web blog does not represent the thoughts, intentions, plans or strategies of my current employer nor the Oracle and its affiliates or any other companies. And this website does not offer or take profit for providing these content and this is purely non-profit and for educational purpose only. If you see any issues with Content and copy write issues, I am happy to remove if you notify me. Contact Geek DBA Team, via geeksinsights@gmail.com

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12c Database

This page is exclusively for 12c Database features list for 12c R1 and R2. I kept the links what ever I came across and practiced, few features listed with unlinked you may search internet and learn about them as I do not find time to explore more about them.

Installation Articles

Installation of 12c Grid Infrastructure Using Linux 6(64 Bit) on Virtual Box
Installation of 12c RAC Database using Linux 6 (64 bit) on Virtual Box
Installing & Creating Standalone 12c Database 12.1.0.1 (Silent Methods)
Upgrade 11.2.0.4 to 12.1.0.1 & Converting to RAC (Manual)
Creating Multitenant Database Manually
Step by Step Standby Database creation using RMAN Duplicate for standby (No backups or No extra config required)
Upgrade Methods – Oracle Slide Deck

Oracle Sharding Feature (12.2 New Feature)

Oracle Sharding (12.2) Install & Configure Shards (12.2) Managing Shards

12c Architecture with Multitenant Databases

12c Multitenant DB Architecture12c Multitenant DB Architecture 12c CDB Databases Overview 12c Understanding Common & Local Users
12c Data dictionary Create PDB’s, Plug & Unplug Manage PDB’s
Backup & Recovery in CDB’s Distinguishing the PDD & CDB in dynamic view V$ or DBA_HIST Viewing Information of CDB & PDB
Local Undo at PDB Level (12.2) SGA Settings at PDB Level (12.2)

Administration & Development Enhancements

Change Varchar2 to 32K 12c Database Parameters-Useful ones 12c Deprecated Parameters
Move Datafile Online New SYS Roles/Users for OS Authentication Multiples indexes on same columns
Invisible Columns Rebuild index online – no key limit DDL Logging
Undo in temporary tablespace Restricting PGA 12c New Background Processes
Row Archival – Hide rows New column Last_login_time in dba_users Threaded Executions – New
Truncate – Cascade Default Values for Columns Query Patches from the database
Temporal Validity Identity Columns ROW Limiting with Fetch Clause
SQL Translation Framework Network-Default SDU from 32K to 2M  Alter session Cancel SQL (12.2)
Long Identifiers (12.2) SQLPLUS Settings (12.2)  Index Usage Monitoring (12.2)

Information Life Cycle Management & Compression Enhancements

ILM – Automatic Data Optimization ILM – ADO – Practice Flashback data archive (FDA) with optimization (i.e Compression)
New Names in compression

Partitioning Enhancements

Truncate with Cascade with Foreign Keys Interval Partitioning Enhancements Asynchronous Index Maintenance
Multiple Partitions Maintenance Partial Indexing Move Partitions Online
Partition Maintenance package Convert Table Partition using Alter Table (12.2)

Data loading

SQL Loader express loading Datapump Enhancements – Export Datapump Enhancements - Import

Security

Unified Auditing – Overview Unified Auditing - Practice Sec_case_sensitive_logon – Upgrade gotcha
Privilege Capture Deprecated features in Oracle Security Resource role does not contain unlimited tablespace option
Select any Dictionary no more sensitive

RMAN

MultiSection image copies Restore Table or Partition from RMAN Select with RMAN
Recovery Datafiles using Network service from Standby directly Duplicate Database Enhancements Roll forward the Standby using Network service without incremental backups

Optimizer & Performance Tuning

Adaptive Query Optimization Adaptive Execution Plans Automatic Reoptimization
(Statistics Feedback & Dynamic statistics)
SQL Plan Directives SPM with Adaptive Query Optimization  Approximate Query Processing (12.2)
Other Features
Monitor Database Operations Hybrid Histograms DBMS_XPLAN Reporting Mode
Custom Clustering Factor Approximate Aggregations (12.2)
Statistics Enhancements
CTAS collects statistics GTT – Session level statistics DBMS_STATS in Reporting Mode
 Statistics Advisor Task (12.2)

Grid Infrastructure

Flex Cluster – Overview Convert Normal cluster to Flex Cluster IPV6 Support for cluster connect

RAC

Global Data Services srvctl in evaluation mode Application Continuity – Transaction Guard

Automatic Storage Management

FlexASM Overview New ASMCMD Commands Metadata Replication
New Replace Disk Command Increase in storage limits Estimate the Disk rebalance operations
ASM Disk scrubbing – Logical corruption check OCR Backup in ASM Diskgroup Password files in ASM Diskgroup
Failuregroup_Repair_Time Flex Disk groups (12.2)

Dataguard

Fast Sync Far Sync Standby Global Temporary Tables in DG
Network Recovery MultiInstance Redo Apply (12.2)  Nologged Blocks Recovery(12.2)

Upgrade

New Script Parallel Upgrade