1. RAJASEKAR SELVAKUMAR
16/4, Third floor,
Float No: 14, New St,
West Mambalam,Chennai-33.
Mobile No: 9842097502.
Email: rajasekar.dba00@gmail.com
Career objectives:
• To work in organization where I can use my professional
skills and knowledge for the development of the
organization.
Experience:
• Working as an ORACLE DBA Consultant for Cybertrendz at
Chennai, from May 2013 to till date.
Oracle DBA Knowledge:
• Creating new DB using OMF (Oracle Managed Files)/Create
DB using DBCA.
• Recreating PFILE from alert log file.
• Creating and Managing Tablespace.
• Reclaim the unused space by doing the reorganization of
database objects on Tablespace level.
• Creating and Managing Redo Logs and Adding Redo Logs
Member.
• Changing database to ARCHIVELOG/NOARCHIVELOG.
• Creating and Managing user Account.
• DB Switch (we can switch the DB from one home to another
home of same version for maintenance purpose).
• Schema level refreshes using Datapump Impdp and Expdp.
• Creating and Configuring RMAN Catalog database and
registering DB in the Catalog database.
• Restore control file from backup, recreating control file
from trace file and restoring the database from backup
based on requirements.
• Recover block corruption & Restore Tablespace from backup
pieces using RMAN.
• Taking cold, hot database backup. Duplicating 10g
database and Cloning 11g database.
• Upgrading from 10.2.0.1 to 10.2.0.4, 10.2.0.3 to
11.2.0.3, 10.2.0.4 to 11.2.0.3 RDBMS version.

2. • Configure and Maintenance Advance Replication (Multi-
Master Replication).
• Install 10g, 11g in Linux and Installing RHEL.
Professional Experience:
Project # 1
Client : In-house Project. (Production Database)
Role : ORACLE DBA
Environment : Oracle 10g/11G
Duration : May 2013 to till date.
DBA Utility : Data Pump, DATA GUARD,
RMAN, TOAD, TORA, Putty.
Operating Systems: Red hat enterprise server
Roles & Responsibilities:
• Creating Databases, Tablespaces, add a Datafiles and
Resize the Datafile size.
• Database size growth monitoring and size estimation.
• Enrolling Users accounts and maintaining system
security.
• Trouble shooting of database related problems.
• Moving Data from developing to testing using Datapump.
• Re-organizing the databases Expdp/Impdp using Datapump.
• File system monitoring, alert log monitoring and take
archive log backup
• Linux administration, which includes creating users,
groups, mounting file.
• Experience in Adding & Deleting Nodes & Instances.
• Migration the database windows 2000 platform to RHEL
Linux platform using Datapump.
• Using RMAN to taking full backup, level 0 and level 1
backup, Restore and Recover the database.
• Duplicating Production database to testing environment
using RMAN.
• Upgrading from 10.2.0.4 to 11.2.0.3 RDBMS version
• Applying CPU & PSU Patch.
Project # 2
Client : In-house Project. (Development Database)
Role : ORACLE DBA
Environment : Oracle 10g/11G
Duration : Jul 2014 to till date.
DBA Utility : Export/Import, DataPump, TOAD, Putty.
Operating Systems: Red hat enterprise server

3. Roles & Responsibilities:
• Creating Databases, Tablespaces, add a Datafile and
Resize the Datafile size.
• Creating and Managing user Account.
• Re-organizing the databases Expdp/Impdp using Datapump.
• Moving Data from developing to testing using Datapump.
• Configure and Maintenance Advance Replication (Multi-
Master Replication).
Education Qualification:
Course
Name of Institute University/Board Percentage Year
MCA
Panimalar
Engineering College,
Chennai-600 123.
Anna University,
Chennai. 7.567
(CGPA)
2013
Bsc.,
(IT)
Urumu Dhanalakshmi
College,
Tiruchirappalli-620
019
Bharathidasan
University,
Tiruchirappalli. 65.29% 2010
HSC
Government Higher
Secondary
School, Rameswaram.
TN-Stateboard
50.3% 2007
SSLC
Schwartz Higher
Secondary
School,
Ramanathapuram.
TN-Stateboard
52% 2005
External certifications:
• Oracle Certified Professional.
• Oracle Workforce Development Program (Admin I & II)
Certificate.
• Oracle DBA Workshop Certificate.
• Combined Annul Training Certificated by NCC
• JRC certified Person.
Date: Yours faithfully,
Place: Chennai.
(Rajasekar. S)