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• content: Learn Oracle 11g / 12c DBA Step by Step with Examples. It's Free and Covers Basic as well as Advance Oracle DBA topics. name: description
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• Home
• Tutorial for Oracle SQL
• 60 Technical Questions
• 42 Backup & Recovery Questions
• Unix For Oracle DBA 20 Questions
• Links to Download Oracle 12c / 11g for Linux, Windows etc.
• Learn MySQL step by step
• Introduction to Oracle Database
• Overview of Oracle Grid Architecture
• Difference between a cluster and a grid
• Responsibilities of Database Administrators
• Creating Oracle 11g / 10g Database using SQL commands
• Creating Oracle Container Database in 12c using DBCA
• Creating Oracle Container Database in 12c using SQL commands
• Creating User Accounts and Connecting to Oracle 12c Container and Pluggable Databases
• Creating Pluggable Database from Seed
• Cloning an Existing Pluggable Database
• Unplugging and Plugging databases from one CDB to another CDB
• http://oracle-dba-online.com/tablespaces_and_datafiles.htm
• 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
• 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
• 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
• http://oracle-dba-online.com/repair-tablespaces.htm
• 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
• http://oracle-dba-online.com/transporting-tablespaces-in-oracle.htm
• Procedure for transporting tablespaces
• Transporting Tablespace Example
• http://oracle-dba-online.com/managing_redo_logfiles.htm
• 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
• http://oracle-dba-online.com/managing_control_files.htm
• Multiplexing Control File
• Changing the Name of a Database
• Creating A New Control File
• Cloning an Oracle Database
• Viewing Information about Undo Tablespace
• Restrictions on Using Direct Path Loads
• Example: Migrate Data from Fixed Length file into Oracle
• Example: Convert from MySQL to Oracle
• Example: Migrating data from MS SQL Server to Oracle
• Loading Data into Multiple Tables using WHEN condition
• http://oracle-dba-online.com/export_and_import.htm
• 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
• http://oracle-dba-online.com/how-to-use-import-tool.htm#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
• http://oracle-dba-online.com/data_pump_utility.htm
• 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)
• http://oracle-dba-online.com/data_pump_import_utility.htm
• 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
• Importing Only Particular Tables
• Running Import Utility in Interactive Mode
• http://oracle-dba-online.com/flash_back_features.htm
• Flashback Query
• Using Flashback Version Query
• http://oracle-dba-online.com/#_Toc176874882
• Using Flashback Table to return Table to Past States
• Purging Objects from Recycle Bin
• Flashback Drop of Multiple Objects With the Same Original Name
• Example: Flashing Back Database to a point in time
• Enabling Flash Back Database
• ntroduction
• Creating Flashback Data Archive tablespace
• Creating Flashback Data Archive
• Querying historical data 
• http://oracle-dba-online.com/log_miner.htm
• 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
• Example: Finding All Modifications in the Current Redo Log File
• Example : Mining Redo Log Files in a Given Time Range
• Bringing the Database again in NoArchiveLog mode
• Opening the Database in Archivelog Mode
• Taking Offline (COLD) Backups
• Taking Online (HOT) Backups
• Recovering from the Loss of a Datafile
• When the Database is running in Noarchivelog Mode
• When the Database is running in Archivelog Mode
• Recovering from loss of Control File
• Taking Offline Backups using RMAN
• Recovering the Database running in NOARCHIVELOG mode using RMAN
• Taking Online Backups using RMAN
• Taking backups of particular tablespaces or datafiles using RMAN
• How to take Image Backups in RMAN
• Taking Incremental Backup using RMAN
• Incrementally updating backup copy for fast recovery
• View information about RMAN backups
• Configuring Retention policy in Oracle RMAN
• Configure various Options in RMAN
• Maintaining RMAN Repository
• Recovering from the loss of datafiles using RMAN (Archivelog mode)
• Recovering from the loss of datafile by changing it's location
• Performing Disaster Recovery using RMAN
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