Oracle DBA Training

Oracle DBA Online Training from Experts.

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The Oracle DBA Training Course is designed for professionals who wants to enhance their skills. The Course, Oracle DBA Training, includes Slides, Handouts, Test Series, Lab Assignments and Interactive Videos make the learning more effective. The goal of this course is to cover the Oracle architecture and internal mechanisms such that the participant is able to perform all necessary tasks as Oracle DBA. The course also covers Oracle networking basics and the Oracle utility programs.

Target Audience

This course is designed for the computer professional who needs to understand the concepts and architecture of Oracle. This includes Oracle developers, Oracle DBAs, Oracle web developers and any computer professional who needs to understand the architecture of an Oracle database. The participants should understand basic relational database concepts such as SQL before enrolling in this training.

By the end of this course the student will have a functional understanding of the roles and duties involved in Oracle database administration and be able to perform basic Oracle DBA tasks.

Demo Videos are available at Youtube.

  1. Installation on RHEL 6.5 and RHEL 7 – Prerequisite to Complete Installation
  2. Oracle 11G- Using Data Dictionary Views to Get Information on Database Objects
  3. Using Flash bask Technology
  4. Export and Import using Oracle Data Pump
  5. Setting Archive Log Mode for the Database
  6. Backup and Recovery using RMAN

Oracle DBA Training Course Contents

Introduction, Architecture and Configuration

Overview and Installation

  • Introduction to database management systems and databases
  • What is a database?
  • Popular database management system (DBMS) software and why Oracle DBMS.
  • History and Current trends of DBMS and Database Administration.
  • Oracle database market share and about its current competitive landscape.
  • Tasks of a Database Administrator.
  • Installing Oracle database software (12c R1 and 12c R2)
  • Understand prerequisites for a successful Oracle RDBMS software installation.
  • Installation of Oracle 12c R1 database software with the latest patchset.
  • Installation of Oracle 12c R2 database software

Oracle Database Architecture

  • Planning for an Oracle database creation.
  • Creating an Oracle 12c R1 database using the CREATE DATABASE SQL command.
  • Creating an Oracle 12c R2 database using the Graphical Tool (Database Configuration Assistant).
  • How to configure and use Oracle Enterprise Manager (OEM) Database Express web based tool.
  • Understand initialization parameter files
  • Startup and Shutdown of a database.
  • View the database alert log
  • Components of an Oracle database and detailed architecture.
  • Advance Startup and Shutdown scenarios.
  • Oracle database memory and process architecture.
  • The Oracle database job scheduler API (DBMS_SCHEDULER package)

Oracle database and Security management

Creating an Oracle Database

  • Create a database with the Database Configuration Assistant (DBCA)
  • Create a database design template with the DBCA
  • Generate database creation scripts with the DBCA

Managing the Oracle Instance

  • Start and stop the Oracle database and components
  • Use Enterprise Manager (EM)
  • Access a database with SQL*Plus and iSQL*Plus

Modify database initialization parameters

  • Understand the stages of database startup
  • View the Alert log
  • Use the Data Dictionary

Managing Database Storage Structures

  • Oracle tablespaces and allocation types.
  • How to create small file (default) and big file tablespaces.
  • How to create datafiles with fixed size and auto extend option.
  • What are control files and how to view control file content in a trace file.
  • How to rename datafiles in a control file.
  • Temporary tablespaces and temporary tablespace groups.
  • Managing Undo Data
  • Explain DML and undo data generation
  • How to add data files to undo tablespaces.
  • Configure undo retention.
  • Understand Oracle database read consistency

Administering User Security

  • Create and manage database user accounts.
  • Grant and revoke privileges.
  • Create and manage roles.
  • Create and manage profiles.
  • Standard database auditing
  • How to audit DBA login sessions and statements, enable non-DBA login session auditing.
  • How to disable non-DBA login session auditing and purge older audit trail records.

Oracle object management

Managing Schema Objects

  • Define schema objects and data types
  • Create and modify tables
  • Define constraints
  • View the columns and contents of a table
  • Create indexes, views and sequences
  • Explain the use of temporary tables
  • Use the Data Dictionary
  • Manage data through SQL
  • Monitor and resolve locking conflicts

Managing Undo Data

  • Explain DML and undo data generation
  • Monitor and administer undo
  • Describe the difference between undo and redo data

Configure undo retention

  • Guarantee undo retention
  • Use the undo advisor

Implementing Oracle Database Security

  • Describe DBA responsibilities for security
  • Apply the principal of least privilege
  • Enable standard database auditing
  • Specify audit options
  • Review audit information
  • Maintain the audit trail

Configuring the Oracle Network Environment

  • Create additional listeners
  • Create Net Service aliases
  • Configure connect-time failover
  • Control the Oracle Net Listener
  • Test Oracle Net connectivity
  • Identify when to use shared versus dedicated servers

Oracle Database Backup and Recovery

Backup and Recovery Concepts

  • Identify the types of failure that may occur in an Oracle Database
  • Describe ways to tune instance recovery
  • Identify the importance of checkpoints, redo log files, and archived log files
  • Configure ARCHIVELOG mode
  • Performing Database Backups
  • Create consistent database backups
  • Back your database up without shutting it down
  • Create incremental backups
  • Automate database backups
  • Monitor the flash recovery area

Performing Database Recovery

  • Recover from loss of a control file
  • Recover from loss of a redo log file
  • Perform complete recovery following the loss of a data file

Performing Flashback

  • Describe Flashback database
  • Restore the table content to a specific point in the past with Flashback Table
  • Recover from a dropped table
  • View the contents of the database as of any single point in time with Flashback Query
  • See versions of a row over time with Flashback Versions Query
  • View the transaction history of a row with Flashback Transaction Query

Moving Data

  • Describe available ways for moving data
  • Create and use directory objects
  • Use SQL*Loader to load data from a non-Oracle database (or user files)
  • Explain the general architecture of Data Pump
  • Use Data Pump Export and Import to move data between Oracle databases
  • Use external tables to move data via platform-independent files

RMAN Backup and Recovery

  • Advantages of RMAN method compared to the user-managed method.
  • Create consistent database backups using RMAN.
  • Create inconsistent database backups (without shutting it down) using RMAN.
  • Oracle database backup metadata.
  • How to create incremental backups using RMAN and clone a database using RMAN backup based duplication.
  • How to restore and recover a full database from its RMAN backup.
  • Use Data Recovery Advisor to perform recovery of the control file and redo log file.
  • How to drop a database using RMAN
  • Oracle database backup retention policies and backups to Tape/offsite.
  • How to purge old backups using RMAN.

Whole Database and Incremental Backups

  • LIST and REPORT commands
  • Enable ARCHIVELOG mode for the database
  • Use Recovery Manager

Recovering from Non-critical Losses

  • Recovery of Non-Critical Files
  • Creating New Temporary Tablespace
  • Recreating Redo Log Files, Index Tablespaces, and Indexes
  • Read-Only Tablespace Recovery
  • Authentication Methods for Database Administrators
  • Loss of Password Authentication File
  • Creating a new temporary tablespace
  • Altering the default temporary tablespace for a database

Incomplete Recovery

  • Recovery Steps
  • Server and User Managed Recovery commands
  • Recovering a Control File Autobackup
  • Creating a New Control File
  • Incomplete Recovery Overview
  • Incomplete Recovery Best Practices
  • Simplified Recovery Through RESETLOGS
  • Point-in-time recovery using RMAN

Flashback

  • Flashback Database Architecture
  • Configuring and Monitoring Flashback Database
  • Backing Up the Flash Recovery Area
  • Using V$FLASH_RECOVERY_AREA_USAGE
  • Flashback Database Considerations
  • Using the Flashback Database RMAN interface
  • Using Flashback Database EM Interface
  • Managing and monitoring Flashback Database operations

Dealing with Database Corruption

  • Block Corruption Symptoms: ORA-1578
  • DBVERIFY Utility and the ANALYZE command
  • Initialization parameter DB_BLOCK_CHECKING
  • Segment Metadata Dump and Verification
  • Using Flashback for Logical Corruption and using DBMS_REPAIR
  • Block Media Recovery
  • RMAN BMR Interface
  • Dumping and Verifying Segment Metadata

Monitoring Oracle Database

Monitoring and Managing Storage

  • Database Storage Structures
  • Space Management Overview
  • Oracle-Managed Files (OMF)
  • Row Chaining and Migrating
  • Proactive Tablespace Monitoring
  • Managing Resumable Space Allocation
  • SYSAUX Tablespace
  • Monitoring table and index space usage
  • Automatic Undo Management
  • Redo Log Files
  • Table Types
  • Partitioned Tables
  • Index-Organized Tables (IOT)
  • Managing index space with SQL
  • Configure optimal redo log file size
  • View “Automatic Tuning of Undo Retention”

VLDB Support

  • Creating Bigfile Tablespaces
  • Packages and data dictionary changes to support VLDB
  • Creating and maintaining temporary tablespace groups (TTG)
  • Partitioning and Partitioned Indexes
  • Skipping unusable indexes
  • DML Error Logging
  • Interpreting Bigfile ROWIDs

Automating Tasks with the Scheduler

  • Scheduler Concepts
  • Creating a Job Class and a Window
  • Managing Jobs, Programs, Chains, Events, Schedules, priority
  • Viewing and Purging Job Logs
  • Creating a program and a schedule
  • Creating a job that uses a program and a schedule
  • Altering the program and schedule for the job and observing the behavior change of the job
  • Monitoring job runs

Dictionary and v$ views

  • The dba_, all_ and user_ structures
  • Querying the tables, indexes, and segments views
  • Querying the AWR (STATSPACK) tables

Table & index monitoring

  • Monitoring table extents and fragmentation
  • Using the dba_tables and dba_segments views
  • Monitoring table CBO statistics
  • Monitoring table extents and fragmentation
  • Locating chained rows

Monitoring with the AWR and STATSPACK

  • Creating a time-series performance report
  • Using www.statspackanalyzer.com
  • Scripts for AWR and STATSPACK
  • Plotting performance data (WISE, Excel)
  • Finding performance trends and signatures
  • Oracle environment monitoring
  • Displaying and managing Oracle sessions (v$session, v$process)
  • Using AWR to monitor disk, network and CPU consumption
  • Monitoring the alert log
  • Oracle trace/dump files
  • STATSPACK and AWR performance management
  • Installing STATSPACK
  • Running STATSPACK reports
  • Interpreting a STATSPACK report
  • Getting time series reports with STATSPACK
  • Finding performance signatures with STATSPACK

Oracle Database Performance Management

This section explores the methods used for performance management in Oracle and shows tips and scripts for monitoring all components of any Oracle database. You will also learn the proper action to take when any area of Oracle becomes a bottleneck.

Bottleneck performance analysis

  • Drill-down into AWR reports
  • Top-5 timed events
  • External Server Bottlenecks (Network, I/O, RAM, CPU)
  • Network troubleshooting
  • Instance Tuning
  • Changing init.ora optimizer parameters (index_optimizer_cost_adj, optimizer_mode)
  • Managing region parameters (shared_pool_size, db_cache_size)
  • Understanding instance contention (e.g. Buffer busy waits, library cache contention)

Oracle Database Performance Tuning

  • How to handle performance issues in the real world.
  • V$ dynamic views for performance monitoring and analysis.
  • How to size the Oracle database memory structures for optimal performance.
  • Oracle database wait events.
  • Explain Oracle temporary space internals and sizing.
  • How to trace database sessions using DBMS_MONITOR and DBMS_SESSION packages.
  • How to format SQL trace files using the tkprof utility, generate on-error diagnostic dump files.
  • Index Monitoring and internals of index maintenance by Oracle.
  • Statistics data collection for Oracle database optimizer.

SQL and CBO behavior

  • Introduction to cost-based optimization
  • Changing the default optimizer modes
  • Optimizer parameters
  • Dynamic sampling
  • Collecting table and index statistics (dbms_stats)
  • Using column histograms and skewonly
  • Tracing SQL Execution
  • Using EXPLAIN PLAN
  • Using “set autotrace”
  • Interpreting EXPLAIN PLAN Output
  • Using TKPROF / SQL*Trace

 

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The Oracle DBA Training is designed for professionals who wants to enhance their skills. The Course includes Slides, Handouts, Test Series, Lab Assignments and Interactive Videos make the learning more effective. 
December 12, 2018

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