Techsage | Oracle

Oracle

Oracle - DBA 10G, 11G & 12C

Techsage provides the excellence training for Oracle-DBA. Our trainers are oracle certified professionals and handling real time Oracle projects. The importance of Oracle DBA training is increasing in the market as well as the opportunities are also vast. Oracle DBA converts all IT solutions like storage, middleware and Operating System by obtaining leading technology. It provides very unique solutions to the customers.

Database Administrators (DBAs) is responsible for designing, support and implementation, maintenance of computerized databases in today’s organizations.

BENEFITS OF ORACLE DBA:

Ensures Credibility and reliability in the market
Better knowledge and understanding of technology stack
You can do testing against some standards
Better communications network with developers
High earnings

After learning Introduction to SQL section of this course, the learners will be able to:

Understand the features and basic concepts of relational databases.
Use data manipulation statements for performing various operations such as sorting, modifying, and retrieving data.
Customize output using single-row functions, conversion functions and conditional expressions.
Consolidate and display data from multiple tables using Joins and Group functions.
Use data definition language to create and manage tables.
Manage schema objects and control database access to specific objects.
Create indexes and constraints; and use regular expression.
Perform data management in different time zones.

On the completion of Administration Workshop I section of this course, the students will be able to:

Understand Oracle database architecture.
Install Oracle Grid Infrastructure and Oracle database software.
Configure Oracle Network Environment using Enterprise Manager.
Create and manage database, storage structures, and users.
Manage data manipulation and data concurrency.
Implementing Oracle Database Auditing.
Perform backup and recovery of the database

By undergoing the Administration Workshop II section of the training, participants will be able to

Understand backup and recoverability and use Recovery manager (RMAN) to perform it.
Use flashback technology to diagnose and repair data failures.
Perform memory management operations to use available space in optimized way and create room for growing requirements.
Identify and tune poorly performing SQL and database session by using SQL Tuning Advisor
Monitor and manage performance and resources.
Automate DBA tasks with the scheduler.
Clone a database and carry all operations on it for optimal use

Target audience

PL/SQL Developer
Forms Developer
Application Developer
Support Engineer
Database administrator
Technical Administrator
Data Warehouse Administrator

Course Content - Oracle DBA

Oracle Database 11G Architecture - More
- Instance vs. Oracle Database 11G
- Components of an Oracle Database 11G Instance
- Components of an Oracle Database 11G
- Data files, Control files and Redo Logs
- Checkpoints, Roll Forward and Rollback
- Redo log concepts, Instance and Media recovery
- Buffer Cache Block Management – LRU List
- SGA vs. PGA
- Background processes
Software and Database Installation - More
- Software and Database Installation
- Important configuration files – sysctl.conf, limits.conf, meminfo ,cpuinfo
- Installation of Oracle Software
- Installation Oracle Database 11G using DBCA
- Setting up of Environment
- Startup and Shutdown of the Oracle Database 11G
Oracle Database 11G Init Parameters - More
- Init parameters
- Displaying init.ora values with v$parameter
- Sizing SGA components
- Shared pool concepts and components
- Overview of PGA for sorting and pga_aggregate_target
- Alteration of Modifiable and Non Modifiable Init parameters vs. Spfile
- Explaining the use of control files
- File locations for control Files
- Obtaining Control File Information
- Multiplexing Control File
- Convert Oracle Database 11G to Archive log Mode
- Archiving the Oracle Redo Logs
Oracle Database 11G Tablespace Management - More
- Managing Tablespaces – Create, alter, drop, rename, offline, online, read only, read write
- Creating, Resizing, Renaming, offline Datafiles
- Creating and Managing Temporary Tablespaces and Tempfiles
- Creating and Managing Undo Tablespaces
- Understanding Undo Retention
- Free Space / Used Space in Tablespace
- Troubleshooting Undo €“ snapshot too old
- Online redo log (log_buffer)
- Dictionary queries
Oracle Database 11G Redo Management, Management of Database Segments - More
- Redo log switch
- Multiplexing the Online Redo Log Files
- Dictionary and v$ views
- The dba_, all_ and user_ structures
- Querying the tables, indexes, and segments views
- Monitoring the alert log
- Oracle Database trace/dump files
- Oracle Database tables : Creation and Maintenance Operations
- Oracle Database Indexes : Creating B*-Tree, bitmap and function-based Index
- Oracle Database Views
Oracle Database 11G Reorg, Users, Roles , Profiles , Privileges - More
- Reorganize Tables
- Index rebuilding
- Creating New Database Users
- Managing Profiles
- Identifying System and Object Privileges
- Granting and Revoking Privileges
- Creating and Modifying Roles
- Displaying user security Information from the Data Dictionary
Oracle Database 11G*Net configuration - More
- Understanding the Listener and how connection takes place from Client to Server
- Use Netca
- Creating the listener.ora file
- Creating the tnsnames.ora file
- Verifying network connectivity with ping and tnsping
- Testing Oracle Database 11G connection via Listener
Oracle Database 11G Backup & Recovery - More
- Hot vs. Cold backups
- Backup in Archive-log vs. Noarchivelog Mode
- Taking Cold Backups
- Taking Hot Backups
- Concepts of Hot Backup
- Complete and Incomplete Recovery
- Restoration from cold Backup with complete data loss
- Restoring and Recovering from loss of Datafiles – System and non-system ,loss of Read Only Tablespaces
- Loss of Control files
- Loss of Redo Logs – Inactive and Active
- Complete and Incomplete Recovery
Oracle Database 11G Backup and Recovery management using RMAN - More
- Advantages of RMAN
- Advantages of Catalog over Nocatalog
- Catalog Creation
- RMAN Closed Database and Hot Backups
- RMAN Backup Management (Backup Database , tablespace , Datafile ,controlfile ,archivelogs , spfile)
- Viewing Backups using List
- Configure RMAN(Configure channels , autobackup , tape / disk ,retention Policies)
- Reporting Bacukups
- Restoring and Recovering from loss of Datafiles – System and non system ,loss of Read Only Tablespaces
- Loss of Controlfiles
- Loss of Redo Logs – Inactive and Active
- Complete and Incomplete Recovery
Oracle Database 11G DBA Utilities - More
- Imp and exp utilities
- Data pump (impdp and expdp)
- DB Verify for Corruption
- Flashback Oracle Database, Flashback Drop , Flashback Query
- Using opatch for Oracle Database Patching.
Oracle Cloning Of Oracle Database - More
- Cloning using Hot Backup
- Cloning Using RMAN Duplicate Database
Performance Management: Understand Problem , Check OS and Automated Reports - More
- Understand the Performance Problem Scope
- Discuss with the affected Users
- Check dynamic performance views useful in tuning
- Use dynamic performance views to view statistics and wait events
- Create and manage AWR snapshots
- Generate AWR reports
- Generate ADDM reports
- Log a performance Service Request with Oracle Support
Oracle Performance Management: Tuning the Oracle Database 11G Instance - More
- Tuning SGA
- Tuning the Shared Pool
- Tuning the Buffer Cache
- Checkpoint and Redo Tuning
- Diagnose checkpoint and redo issues
- Size the redo log file
- Size the redo log buffer
- Diagnose PGA memory issues
- Size the PGA memory
- Diagnose temporary space issues
- Understanding Locks
- Detect enqueue contention
Database 11G Performance Management: DBMS_STATS, Detect Fragmentation , SQL Tuning - More
- Cost Based Optimizer
- Using EXPLAIN PLAN
- Using €œset autotrace€
- Interpreting EXPLAIN PLAN Output
- Collecting Schema , table and index statistics (dbms_stats)
- Checking Statistics
- Tracing a Database Session
- Using TKPROF to analyze a trace File
Oracle Database 11G Maintenance & Job Scheduling and Processes - More
- Monitoring Systems
- Commonly configured Oracle Database Alerts and Actions to be taken
- Common Monitoring Problems Encountered and Resolution
- Change Management Process , Approval Process
- Ticket Management Process (Severity , Priority , SLAs,Communication Protocol).

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