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Oracle DBA

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Course type: Online Instructor led Course

Platform: GotoMeetings, skype, WebeX, Teamviewer

Course ID: 30005

Course type: Online Instructor led Course

Platform: GotoMeetings, skype, WebeX, Teamviewer

Students Interested 0 (Seats Left 0)

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About the Course


ORACLE DBA  Course Contents   


No. Of Hours :  48 Hours.



  • Architecture & Configuration

  • Overview of Oracle DBA tasks

  • Oracle as a flexible, complex & robust RDBMS

  • The evolution of hardware and the relation to Oracle

  • Different DBA job roles(VP of DBA, developer DBA,production DBA, database babysitter)

  • The changing job role of the Oracle DBA

  • Environment management (network, CPU, disk and RAM)

  • Instance management (managing SGA regions)

  • Oracle table and index management

  • Instance Architecture


  • Instance vs. database

  • Components of an instance

  • Creating the OFA file structure ($DBA, bdump, udump, pfile)

  • Oracle Instance Internals


  • SGA vs. PGA

  • Background processes

  • Interfaces with server and disk I/O subsystem

  • Using SQL*Plus for DBA management


  • Connecting and executing SQL

  • Using the â??as sysdbaâ?? syntax

  • Overview of SQL*Plus DBA commands (startup, etc.)

  • Control file, UNDO and REDO management

  • Explaining the use of control files

  • Listing the Contents of the control File

  • File locations for control Files

  • Obtaining Control File Information

  • Listing control file contents

  • Displaying and Creating Undo segments

  • Altering Undo Segments

  • Determining the Number and Size of Undo segments

  • Understanding flashback technology

  • Troubleshooting Undo â?? snapshot too old

  • Redo log concepts for recovery

  • Online redo log (log_buffer) online redo logs and archived redo logs

  • Oracle ARCH and LGWR background processes

  • Redo log dictionary queries

  • Redo log switch frequency and performance

  • Multiplexing the Online Redo Log Files

  • Archiving the Oracle Redo Logs

  • Recovery using the redo log files

  • User and privilege management

  • Creating New Database Users

  • Using pre-spawned Oracle connections

  • Auditing User activity

  • Identifying System and Object Privileges

  • Granting and Revoking Privileges

  • Creating and Modifying Roles

  • Displaying user security Information from the Data Dictionary

  • Oracle database management


  • Overview of instance management

  • Parameter files (init.ora, listener.ora, tnsnames.ora)

  • Rules for sizing SGA components

  • Automated Oracle memory management (AMM)

  • Initialization file management


  • Creating the init.ora file

  • Using spfile

  • Displaying init.ora values with vparameter

  • Oracle*Net configuration

  • Creating the listener.ora file

  • Creating the tnsnames.ora file

  • Data buffer configuration & sizing

  • Inside the Oracle data buffers

  • Using the KEEP pool

  • Monitoring buffer effectiveness

  • Using multiple blocksizes (multiple buffer pools)

  • Shared pool and PGA configuration & Sizing

  • Shared pool concepts and components

  • Understanding the library cache

  • Relieving shared pool contention

  • Overview of PGA for sorting and hash joins

  • Using sort_area_size, hash_area_size and pga_aggregate_target

  • Troubleshooting network connectivity

  • Verifying network connectivity with ping and tnsping

  • Testing database links

  • Oracle object management


  • Oracle tables, views and materialized views

  • Types of Oracle tables (regular, IOT, sorted hash clusters, nested tables)

  • Oracle Views

  • Oracle materialized views

  • Oracle indexes

  • Types of Oracle indexes (b-tree, bitmap, bitmap join index)


  • Creating B*-Tree, bitmap and function-based Indexes

  • Function-based indexes

  • Finding indexing opportunities

  • Index maintenance

  • Oracle constraints


  • Costs & benefits of constraints

  • Types of Oracle indexes constraints (check, not null, unique, PK, FK)

  • Cascading constraints

  • Schema, File & tablespace management

  • Describing the relationship between data files, tablespaces and table

  • Understanding Oracle segments

  • Creating Tablespaces â?? using the autoextend option

  • Changing the Size of Tablespaces â?? alter database datafile command

  • Defining a TEMP tablespace

  • Changing the default storage Settings for a tablespace

  • Review of the storage parameters in DBA views (ASM, ASSM, pctfree, pctused

  • and freelists)

  • Monitoring Chained rows (fetch continued rows)

  • Monitoring Insert and Update performance (pctused, APPEND)

  • Database Maintenance

  • Reason for reorgs â?? chained rows, imbalanced freelists

  • Reorganizing Tables using Export and Import

  • Using CTAS to reorganize data

  • Index rebuilding

  • Backup & Recovery overview (hot & cold Backups, RMAN, block change tracking)


  • Oracle DBA Utilities

  • Data pump (Imp and exp utilities)

  • SQL*Loader

  • LogMiner ,Flashback  Introduction DataGuard 

  • Creating and Modifying Roles

  • Oracle DBA utilities â?? Oracle dbms packages (dbms_redefinition)

  • Introduction Replication (Streams, multimaster, materialized views)

  • Monitoring Oracle

  • This section explores the methods used for monitoring all active components

  • of the Oracle database.


  • 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 table & index growth

  • Monitoring index usage

  • Monitoring index fragmentation

  • Locating un-used indexes

  • Identifying IOT candidates

  • Reorganizing Indexes with alter index rebuild

  • Dropping Indexes

  • Getting Index Information from the Data Dictionary

  • Instance monitoring


  • Monitoring with the AWR and STATSPACK

  • Creating a time-series performance report

  • Using

  • 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

  • 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)

  • 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 â??set autotraceâ??

  • Interpreting EXPLAIN PLAN Output

  • Using TKPROF / SQL*Trace

  • SQL Execution Internals


  • Review of Basic joining methods

  • Merge join

  • Hash Join

  • Nested Loop join

  • Advanced SQL operators

  • Between operator

  • SQL Tuning


  • Using hints to improve SQL performance

  • Using parallel query to improve performance

  • SQL reusability within the library cache

  • Table high-water mark

  • Table striping and table partitions

  • Using indexes to improve performance

  • Identifying full-table scans

  • Re-writing SQL queries

  • Tuning sub-queries

  • Oracle High Availability tools


  • Continuous availability and disaster recovery

  • Quantifying the cost of unplanned downtime

  • Oracle multi-master replication

  • Introduction to DataGuard

  • Introduction to Oracle Streams

  • Introduction to Real Application Clusters

  • Backup & Recovery


  • OS-level backups

  • Hardware-level backup & recovery

  • Block-level change tracking

  • Disk mirroring

  • Backup & recovery and RAID level

  • Oracle-level backups (exp, expdp & RMAN)

  • Hot vs. Cold backups

Date and Time

Not decided yet.

About the Trainer

Bitni Shah Khan picture

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Certified Oracle DBA with 12+ Years of Exp So, far completed 20 batches.


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