Oracle DBA

Introduction

• 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

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 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

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

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

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

• 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

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

h4>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

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

• 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

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 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

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

Monitoring and Managing Storage

• 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