Oracle Database Administration Contents

Introduction to Oracle Database

Overview of Oracle Grid Architecture

Difference between a cluster and a grid

Responsibilities of Database Administrators

Creating the Database

 Managing Tablespaces and Datafiles

Creating  New Tablespaces

Bigfile Tablespaces (Introduced in Oracle Ver. 10g)

To Extend the Size of a tablespace

To decrease the size of a tablespace

Coalescing Tablespaces

Taking tablespaces Offline or Online

Making a Tablespace Read only.

Renaming Tablespaces

Dropping Tablespaces

Temporary Tablespace

Increasing or Decreasing the size of a Temporary Tablespace

Tablespace Groups

Creating a Temporary Tablespace Group

Assigning a Tablespace Group as the Default Temporary Tablespace

Diagnosing and Repairing Locally Managed Tablespace Problems

Scenario 1: Fixing Bitmap When Allocated Blocks are Marked Free (No Overlap)

Scenario 2: Dropping a Corrupted Segment

Scenario 3: Fixing Bitmap Where Overlap is Reported

Scenario 4: Correcting Media Corruption of Bitmap Blocks

Scenario 5: Migrating from a Dictionary-Managed to a Locally Managed Tablespace

Transporting Tablespaces

Procedure for transporting tablespaces

Transporting Tablespace Example

Viewing Information about Tablespaces and Datafiles

Relocating or Renaming Datafiles

Renaming or Relocating Datafiles belonging to a Single Tablespace

Procedure for Renaming and Relocating Datafiles in Multiple Tablespaces

Managing REDO LOGFILES

Adding a New Redo Logfile Group

Adding Members to an existing group

Dropping Members from a group

Dropping Logfile Group

Resizing Logfiles

Renaming or Relocating Logfiles

Clearing REDO LOGFILES

Viewing Information About Logfiles

Managing Control Files

Multiplexing Control File

Changing the Name of a Database

Creating A New Control File

Cloning an Oracle Database

Managing the UNDO TABLESPACE

Switching to Automatic Management of Undo Space

Calculating the Space Requirements For Undo Retention

Altering UNDO Tablespace

Dropping an Undo Tablespace

Switching Undo Tablespaces

Viewing Information about Undo Tablespace

SQL Loader

CASE STUDY (Loading Data from MS-ACCESS to Oracle)

CASE STUDY (Loading Data from Fixed Length file into Oracle)

Loading Data into Multiple Tables using WHEN condition

Conventional Path Load and Direct Path Load

Direct Path

Restrictions on Using Direct Path Loads

Export and Import

Invoking Export and Import

Command Line Parameters of Export tool

Example of Exporting Full Database

Example of Exporting Schemas

Exporting Individual Tables

Exporting Consistent Image of the tables

Using Import Utility

Example Importing Individual Tables

Example, Importing Tables of One User account into another User account

Example Importing Tables Using Pattern Matching

Migrating a Database across platforms

DATA PUMP Utility

Using Data Pump Export Utility

Example of Exporting a Full Database

Example of Exporting a Schema

Exporting Individual Tables using Data Pump Export

Excluding and Including Objects during Export

Using Query to Filter Rows during Export

Suspending and Resuming Export Jobs (Attaching and Re-Attaching to the Jobs)

Data Pump Import Utility

Importing Full Dump File

Importing Objects of One Schema to another Schema

Loading Objects of one Tablespace to another Tablespace

Generating SQL File containing DDL commands using Data Pump Import

Importing objects of only a Particular Schema

Example

Importing Only Particular Tables

Running Import Utility in Interactive Mode

Flash Back Features

Flashback Query

Using Flashback Version Query 
Using Flashback Table to return Table to Past States
Purging Objects from Recycle Bin

Flashback Drop of Multiple Objects With the Same Original Name

Flashback Database: Alternative to Point-In-Time Recovery

Enabling Flash Back Database

To how much size we should set the flash recovery area

How far you can flashback database

Example: Flashing Back Database to a point in time

Log Miner

LogMiner Configuration

LogMiner Dictionary Options

Using the Online Catalog

Extracting a LogMiner Dictionary to the Redo Log Files

Extracting the LogMiner Dictionary to a Flat File

Redo Log File Options

Automatically

Manually

Example: Finding All Modifications in the Current Redo Log File

Example of Mining Without Specifying the List of Redo Log Files Explicitly

Example : Mining Redo Log Files in a Given Time Range

BACKUP AND RECOVERY

Opening the Database in Archivelog Mode
Bringing the Database again in NoArchiveLog mode
Taking Offline (COLD) Backups
Taking Online (HOT) Backups
Recovering from the Loss of a Datafile