Oracle DBA Training in Chennai

Best Oracle DBA Training in Chennai

Join the Oracle DBA training program from Aimore Technologies that has the objective to enhance your database skills. You will also be able to crack the certification exams with ease through our training. Besides, you would be able to explore a lot of career prospects once you ace the database skills from the Best Oracle training in Chennai.

You will gain profound knowledge of Oracle DBA architecture, database basic and advanced concepts, database programming, database backup, and recovery, and lot more from the Best Oracle training institute in Chennai. You will gain a lot from our practical-oriented classes, which will give you the confidence to face the live scenario. We also provide placement support to the candidates.

Responsibilities of Oracle DBA

Whenever new versions crop up the DBA installs them. He also installs tools needed to access the Oracle database.

The DBA starts and shuts the database.

He also takes up backing up and recovering the database

Manages Users

Supervises the database

Takes care of the security of the database

Develops new database users as required.

Upgrades the database

Offers technical support to application development teams

An Oracle DBA is ever available on or in the vicinity of the site where the Oracle database system is functioning. Issues whether they are available in the system or in the code of the query generated, are taken care of by them to save time. An Oracle DBA is a coveted certified professional who takes care of the performance at the core of your business. These are some of the essential responsibilities of an Oracle DBA. So it’s time that you enroll in Oracle DBA certification in Chennai and become the critical resource!

Is learning Oracle DBA easy or difficult?

Learning Oracle DBA requires your passion for learning and Aimore Technologies will assist in honing your skills. That said, you should have a reasonable knowledge of other areas, including system administration, hardware, networking, and some fundamental understanding of SQL and PL/SQL. When you have such knowledge, you will find it easy to learn this course. Enroll in the Oracle DBA course in Chennai and gain an understanding of this critical dba!

Career scope of Oracle DBA

Being a DBA who has expertise in one database, paves the way for other databases too. The key is that most of the knowledge and skills you grasp from one database are transferrable. So, you can pursue learning Oracle DBA from the best Oracle DBA training institute in Chennai with ease of mind. If the job market shifts in the future, you can easily become a PostgreSQL or MySQL DBA.

Besides, if you are a competent Oracle DBA, then including new databases to your skillset is quite easy. A couple of them to look upon are SQL Server and Mongo DB.

The DBA of present times should be well rounded. He should be in a position to comprehend other databases. Several 24/7 running database servers are using Oracle in the form of a back-end database. Oracle offers high availability and supports massive databases on any platform, including Unix, Linux, and Windows. Several finance, banking, and telecom industries need database support from specialized Oracle DBAs.

Oracle releases a new version regularly with new features. You should be abreast of these features to develop your expertise in the Oracle DBA field. Moreover, the significance of SQL should not be considered trivial by an Oracle DBA.

Why is Oracle DBA popular?

Oracle DBA is popular among developers, is convenient to use, has well-written documents, great features like JSON, etc. Moreover, the Oracle Database 18c takes control of customer’s enterprise data to an entirely new level. This assists customers who are marching towards the cloud. Oracle Database 12c provides a vast spectrum of features to help customers meet specific requirements in the fields of performance and scalability, security and compliance, etc. both on-premises and on Oracle Cloud.

Future scope of Oracle DBA

Oracle Database Administrators are always in demand in the IT industry. The fast growth of data has initiated the demand for database administrators.By the end of the Oracle classes in Chennai, you will gain some valuable skills that will give you adequate confidence to advance your journey towards becoming a database administrator. So you would be interested in diving into this field now! Call us today for a free demo session!

Who can gain from this course?

IT Professionals who wish to become a DBA

Data warehouse professionals

Fresh graduates who are looking for a job in the IT industry.

Data Analyst

Oracle DBA Training Syllabus – Part 1

Introduction (Database Architecture)

  • Describe course objectives
  • Explore the Oracle 10g database architecture

Installing the Oracle Database Software

  • Explain core DBA tasks and tools
  • Plan an Oracle installation
  • Use optimal flexible architecture
  • Install software with the Oracle Universal Installer (OUI)

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

  • Describe table data storage (in blocks)
  • Define the purpose of tablespaces and data files
  • Understand and utilize Oracle Managed Files (OMF)
  • Create and manage tablespaces
  • Obtain tablespace information
  • Describe the main concepts and functionality of Automatic Storage Management (ASM)

Administering User Security

  • Create and manage database user accounts
  • Authenticate users
  • Assign default storage areas (tablespaces)
  • Grant and revoke privileges
  • Create and manage roles
  • Create and manage profiles
  • Implement standard password security features
  • Control resource usage by users

Managing Schema Objects

  • Create and manage database user accounts
  • Authenticate users
  • Assign default storage areas (tablespaces)
  • Grant and revoke privileges
  • Create and manage roles
  • Create and manage profiles
  • Implement standard password security features
  • Control resource usage by users

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

Oracle DBA Training Syllabus – Part 2

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

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

Configuring Recovery Manager

  • Recovery Manager Features and Components
  • Using a Flash Recovery Area with RMAN
  • Configuring RMAN
  • Control File Autobackups
  • Retention Policies and Channel Allocation
  • Using Recovery Manager to connect to a target database in default NOCATALOG mode
  • Displaying the current RMAN configuration settings
  • Altering the backup retention policy for a database

Using Recovery Manager

  • RMAN Command Overview
  • Parallelization of Backup Sets
  • Compressed Backups
  • Image Copy
  • 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 operationse

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 and Managing Storage I

  • 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

Monitoring and Managing Storage II

  • 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

Workshop

  • Workshop Methodology, requirements, and setup
  • Scenario 1: Database performance
  • Scenario 2: Finding and Tuning Inefficient SQL
  • Scenario 3: SGA Management – REDO
  • Scenario 4: Running out of Undo Space
  • Scenario 5: Missing datafile
  • Scenario 6: Managing space in a tablespace – REDO
  • Scenario 7: Missing TEMP data file

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