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Oracle Core DBA  Online Training

Oracle Core DBA


This Oracle DBA training course is designed to provide Oracle professionals with an in-depth understanding of the DBA features of Oracle, specific Oracle concepts and knowledge required for the OCP exam, and tips and techniques for passing the Oracle OCP exam on your first attempt.
  • All attendees should have working knowledge of SQL & basic knowledge of Unix commands.
  • It is a 16 days program and extends up to 2hrs each.
  • The format is 40% theory, 60% Hands-on.

  • It is a 4 days program and extends up to 8hrs each.
  • The format is 40% theory, 60% Hands-on.
    Private Classroom arranged on request and minimum attendies for batch is 4.
course content
  • Introduction.
    • Types of Databases.
    • Duties of a DBA, Classifications of DBA.
    • Oracle Versioning and versions history.
    • Grid ? Advantages of Grid Computing.
    • What is Instance? What is Database? What is Database Server?
    • Users the DBA interacts with.
    • Supported OS.
    • Introduction to Linux OS.
    • Linux File Layout structure.

  • Installation of Linux OS.
    • OS Users.
    • Installation process.
    • Disk layout.
    • Different mount points used by oracle.
    • Swap Area.
    • Creation of User groups.
    • Oracle needed file layout.

  • Installation of Oracle Software
    • Fulfilling prerequisites for installation.
    • Setting up environment.
    • Installation.
    • Post Installation scripts.
    • Changes done to the OS files after installation is complete.
    • /etc directory, /home/oracle directory, global inventory, oracle home.

  • Database Creation
    • Database files introduction.
    • Tablespaces and Schemas.
    • Control files introduction.
    • PFile Introduction, Creation and default parameters(10g/11g).
    • Instance States.
    • Database Creation Manually and Using DBCA.

  • Background processes and Different stages of Database.
    • Instance Start, Mount and Open states.
    • Dynamic views related to database.
    • Oracle memory layout.
    • Background processes.
    • Instance states more detailed.
    • How to look for background processes.

  • Database objects and Tablespaces.
    • Introducing putty and VNC server(How it works in realtime environment).
    • Sys owned objects.
    • Data Dictionary.
    • User Created objects.
    • Sys Tablespaces.
    • User Tablespaces.
    • Dictionary Managed Tablespace, Locally managed tablespace.
    • Bigfile tablespace.
    • Managing tablespaces.
    • Managing datafiles.
    • Datafiles layout, Internal organization.
    • Tables and Fragmentation.

  • Threads and Redo log groups
    • Archive log, No Archive log.
    • Threads and Groups concepts.
    • Multiplexing Redo logs.
    • Log switching.
    • Different stages of Log files.
    • Processes related to online Redo logs.
    • Adding Threads, Groups.
    • Dropping Threads, Groups.

  • Oracle Memory architectureDifferent components of memory(10g/11g).
    • Dedicated Server and Shared Server.
    • SGA and PGA, Differences between them.
    • Different Stages of a query.
    • Parsing: Hard parsing and Soft parsing.
    • Different stages during an update statement.
    • Checkpointing.

  • Indexes
    • Different types of Indexes.
    • B-Trees.
    • Creation.
    • Views related to indexes.
    • Index reorganization.
    • Statistics collection on indexes.

  • Networking and Remote ConnectionsTNS.
    • Listeners.
    • Listener.ora file.
    • Tnsnames.ora file.

  • Views and Materialized views
    • Types of views.
    • Creation.
    • Database links.
    • Materialized views.
    • Refreshing materialized views.
    • Processes related to materialized views.
    • Problems with materialized views refresh.

  • Users, Privileges, Roles and Responsibilities
    • Security and Passwords(10g/11g).
    • User Creation.
    • Creating Roles.
    • Assigning Privileges, Roles and Responsibilities.
    • Dropping users.
    • Revoking privileges.
    • Password file. Remote sys connect.

  • Pfile and spfile
    • Types of parameters(static and dynamic).
    • Managing spfile.
    • Creating pfile from spfile and vice versa.
    • Changing parameters dynamically.

  • Control files
    • Multiplexing.
    • Details stored in controlfiles.
    • Creating, Backing up and Recreating controlfiles.
    • Scenarios when a controlfile needs to be created.
    • Changing the Instance name and Database name.

  • Backups
    • Types of Failures.
    • Types of backups.
    • Logical Backups using ImpDP, ExpDP(Data Pump).
    • Transportable tablespaces.
    • Physical backups.
    • Cold Backups and Hot Backups.
    • Generation of redo during hot backups. Fuzzy blocks.

  • Recovery.
    • Complete recovery using cold backups.
    • Complete recovery using hot backups.
    • Partial recovery using cold backups.
    • Partial recovery using hot backups.
    • Different scenarios in performing recoveries.
    • UNNAMED datafiles during recovery.

  • Cloning Databases
    • Cold cloning.
    • Hot cloning.

  • RMAN(1)
    • RMAN tool introduction.
    • Catalog mode No-Catalog mode.
    • Configurations of RMAN.
    • Hot backups using RMAN.
    • Backing up Databases, Archivelogs and Controlfiles.
    • Channels and Multiple copies.
    • Tuning RMAN backups process.
    • Retention policies.
    • Incremental backups, Cumulative backups.

  • RMAN(2).
    • Restoration using RMAN.
    • Recovery using RMAN.
    • Cloning databases using RMAN.
    • Migrating databases using RMAN.
    • Restoration from Incremental Backups and Cumulative Backups.

  • Automatic Storage Management(ASM).
    • Striping and Mirroring.
    • RAID concepts.
    • ASM concepts and file systems.
    • Background processes used by ASM.
    • CSS daemon.
    • Creating Disk groups and Redundancy.
    • RMAN backups in ASM.
    • Migrating a NON-ASM database to ASM.
    • Rebalancing.
    • ASMCMD command-line tool.
    • md_backup and md_restore.

  • Patching and Upgrades.
    • Patches and Patch sets.
    • Upgrading within releases.

  • Database Migrations between releases.
    • Migration from 10g to 11g.

  • Data Guard.
    • Standby databases.
    • Physical Standby databases and Logical Standby databases.
    • Different modes of Protection and Availability.
    • Creating Standby databases.
    • Managing Databases in a Data Guard Environment.
    • Switchover and Failover.
    • Data Guard Broker.

  • Performance Tuning.
    • Categories of tuning.
    • Areas of tuning.
    • SQL Tuning.
    • Memory Tuning.
    • Disk I/O tuning.
    • Tools used for tuning.
    • Waits and Contention.
    • Latches and Spins.
    • Locks and Lock Resolution.
    • AWR reports, ADDM reports.
    • Oracle Database Replay.

  • Oracle Enterprise Manager and Grid Control.
    • Maintaining everything for OEM.
    • RMAN from OEM.
    • Data Guard from OEM.
    • AWR Reports and ADDM.
    • Tuning from OEM.
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