S - Oracle DBA - Chennai, TN, India

Mahendran S

Chennai, TN, India


Oracle DBA


Oracle Installation, Database Creation. User Management, EXP/IMP, EXPDP/IMPDP, High Availability Data Guard & RAC, RMAN Backup and Recovery.

Work History

Oracle Database Administrator

From September 2012

Role and Responsibilities
• Configuring the databases parameters, creation, reorganization, extending table space, create users, grant/revoke roles, privileges, extended databases storage capacity, monitoring and manage data-files, rollback-segments and extents.
• Resolving issues and bugs related to databases.
• Supported backup and recovery using cold backup, hot backup and RMAN in 10g.
• Physical backup using RMAN backup and Recovery manager and Export/Import utilities for logical backups and Recovery.
• Checking Archive Destination, Checking alert logs.
• Written scripts and scheduled using CRONTAB.
• Implementing and maintaining the Physical standby database (Data Guard).
• Move data across databases using export and import.
• Checking the Archive log shipping between the Primary and the standby databases.
• Collecting AWR reports and providing 24/7 on call support.

Project #2

Project Profile:
Project Title: British Petroleum

Oracle Database Administrator

Cognizant Technology solutions Chennai

From June 2011


Relevant Project Experience

Project #1

Client AstraZeneca
Project Title AstraZeneca
Databases & Tools Oracle10g
Team Size 23

Oracle DBA

British Petroleum

July 2011 - August 2012

Databases: Oracle9i, Oracle10g.

• Setup and configured Oracle DataGuard using a physical standby database.
• Resolving the archive log gaps.
• Check Alert Log errors and make necessary steps to rectify them
• Resolving space related issues.
• Performing Online & Offline Backups of Databases.
• Performing Database Refresh.
• Created and managed the Database objects and schemas.
• Performing RMAN Backup and Recovery strategies.
• Export/Import of Tables, Tablespaces

Qualifications & Certifications


SRR Engineering College Chennai

A P T Dorairaj Higher Sec School

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