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Oracle DBA Training Institute

Oracle DBA

Oracle Database Administrator (Oracle DBA), you would be able understand the Database Architecture, which will help you to perform your DBA duties with better understanding.

Architecture

  • Outline the Oracle Architecture and its main Components
  • Explain the Oracle instance architecture

Installing the Oracle Database Software

  • Identify common database administrative tools available to a DBA (1)
  • Use optimal flexible architecture
  • Install software with Oracle Universal Installer
  • Identify and configure commonly used environment variables
  • Use Installer Log (2)
     

Creating an Oracle Database

  • Use DBCA to create a database
  • Use DBCA to delete a database
  • Use DBCA to manage templates

Managing the Oracle Instance

  • Use Enterprise Manager
  • Use SQL*Plus and iSQL*Plus to access the Oracle Database
  • Modify database initialization parameters
  • Describe the stages of database startup
  • Describe the database shutdown options
  • View the database alert log
  • Use dynamic performance views (3)

Managing Database Storage Structures

  • Describe how table row data is stored in blocks (4)
  • Define the purpose of tablespaces and data files
  • Explain space management in tablespaces
  • Create tablespaces
  • Manage tablespaces: alter, drop, take offline, put online, add data files, make read-only or read-write, generate DDL
  • Obtain tablespace information
  • Explain key features and benefits of ASM (5)

Administering User Security

  • Create and manage database user accounts
  • Create and manage roles
  • Grant and revoke privileges
  • Create and manage profiles (6)

Managing Schema Objects

  • Create and modify tables
  • Define constraints and states of constraints (7)
  • Dropping and truncating tables (7)
  • Create and use B-Tree and Bitmap indexes (8)
  • Create Views
  • Create sequences
  • Use data dictionary

Managing Data and Concurrency

  • Manipulate data through the use of SQL
  • Identify and administer PL/SQL objects
  • Describe triggers and triggering events
  • Define levels of locking
  • List possible causes of lock conflict
  • Monitor and resolve Lock Conflicts

Managing Undo Data

  • Monitor and administer undo
  • Configure undo retention
  • Describe the relationship between undo and transactions
  • Size the undo tablespace

Implementing Oracle Database Security

  • Apply the principle of least privilege
  • Audit database activity
  • Implement Fine-Grained Auditing

Configuring the Oracle Network Environment

  • Use Database Control to Create additional listeners
  • Use Database Control to Create Oracle Net service aliases
  • Control Oracle Net Listeners
  • Identify when to use shared servers versus dedicated servers

Proactive Maintenance

  • Gather optimizer statistics
  • Manage the Automatic Workload Repository
  • Use the Automatic Database Diagnostic Monitor (ADDM)
  • Set warning and critical alert thresholds
  • React to performance issues

Performance Management

  • Use enterprise manager to view performance (9)
  • Tune SQL by using SQL tuning advisor (10)
  • Tune SQL by using SQL access advisor
  • Use automatic shared memory management (11)
  • Use the memory advisor to size memory buffer

Backup and Recovery Concepts

  • Describe the types of failure that may occur in an Oracle Database
  • Identify the importance of checkpoints, redo log files, and archived log files
  • Tuning instance recovery
  • Configure a database for recoverability
  • Configure ARCHIVELOG mode

Performing Database Backup

  • Create consistent database backups
  • Back up your database without shutting it down
  • Create incremental backups
  • Automate database backups
  • Backup a control file to trace
  • Monitor flash recovery area

Performing Database Recovery

  • Recover from loss of a Control file
  • Recover from loss of a Redo log file
  • Recover from loss of a system-critical data file
  • Recover from loss of a non system-critical data file

Performing Flashback

  • Describe flashback database
  • Resotore the table contents to a specific point in time
  • Recover from a dropped table
  • Use Flashback Query to view the contents of the database as of any single point of time
  • View transaction history or row with flashback transaction query

Moving Data

  • Describe the general architecture of Data Pump
  • Use Data Pump export and import to move data between Oracle databases
  • Load data with SQL Loader
  • Use external tables to move data

Oracle Certification Program

The Oracle Certification Program certifies candidates on skills and knowledge related to Oracle products and technologies.

Credentials are granted based on a combination of passing exams, training and performance-based assignments, depending on the level of certification. Oracle certifications are tangible benchmarks of experience and expertise that help you stand out in a crowd among employers.[according to whom?]

There are 6 levels of Oracle Certification credentials: Oracle Certified Junior Associate (OCJA), Oracle Certified Associate (OCA), Oracle Certified Professional (OCP), Oracle Certified Master (OCM), Oracle Certified Expert (OCE) and Oracle Certified Specialist (OCS). These credentials are spread across 9 technology pillars and further broken down into product family and product groupings. Certifications are also defined by job role on the Oracle Certification website.

Get The Details About All Oracle Certification Exams