Sunday, 13 July 2014

Oracle dba 2+ Resume

Oracle dba Having 2 years of experience   


--------------------------------- Resume Format  ----------------------------------------

Your Name
                                                                                                       Email: mailid@gmail.com
                                                                                                       Mobile No:+91-9888888888
                                   

Summary

  • Over 2 Years of experience in database administration as an Oracle DBA. Having good knowledge on RAC.
  • Oracle Database Administration on 24x7 production and large databases using Oracle 10g, 11g
  • Excellent experience in Installation and configuration of Oracle10g/11g on OS environments UNIX/LINUX.
  • Experienced in regular Database Administration activities such as Upgrades, Patches, Backup and Recovery, Performance Tuning.
  • Having Experience to Upgradation of database from 9.2.0.6 to 10.2.0.1 and 10.2.0.1 to 10.2.0.4 and 10.2.0.4 to 11g.
  • Experienced in using 11g features Data Pump, Flash-Back Recovery.
  • Effective troubleshooting of database and performance problems.
  • Experience with Logical and Physical backups.
  • Managing Database Structure, Storage Allocation, Table/Index segments, and Rollback segments, Database Access, Roles and Privileges
  • Backup of Databases - Making Backup Schedules depending upon Business Strategy: Daily Backup, weekly Backup etc.
  • Recovery of Databases - Recovering from Media Failure, Recovering tables dropped accidentally, Recovering data files, recovering from Block Corruption etc.
  • Performed backups and tested crash recoveries using conventional hot & cold backups with RMAN.
  • Experience in Backup & Recovery techniques of databases running in ARCHIVELOG MODE using RMAN.
  • Oracle 11g RAC implementation & administration using Oracle Cluster ware (Oracle Cluster ware setup and configuration, RAC installation using ASM, Configuration and Migrating Non ASM database to ASM on Test instance)
  • Experience on DATAGUARD and Create and maintaining Physical standby database.
  •  Implementing ASM Instance, Creating database & Migrating Non ASM database to ASM on Test instance
  • Knowledge on Oracle Database performance-tuning services with EXPLAIN PLAN, TKPROF, AUTO TRACE, AWR& ADDM.
  • Excellent knowledge in Hot/Cold Backup and Recovery and Cloning of databases using RMAN.
  • Result oriented, self-motivated, team player, ability to work independently.

Education:

B-Tech in Computer Science and Engineering, from Jawaharlal Nehru Technological University, Hyderabad, AP, India. (2010)


Skill Set:

        Area                   
Worked / Knowledge/ Known
Databases Administration
Oracle (10g &11g) , Oracle 11g rac
Operating Systems
Sun Solaris, Red Hat-Linux, Windows xp/2003 Server.
Languages
SQL,PL/SQL .
Backup tools/utilities
RMAN, DBCA, Export/Import,Lsnrctl, Data pump, SQL * Loader, Data Guard.


Professional Experience

Working presently as Oracle DBA in CTS , Hyderabad, India.


Project 1

Duration         :  April 2011 to Till Now
Role                :  Oracle Database Administrator
Client              :  Standard Chartered Bank
Environment  : RHEL 4, WINDOWS 2000, Oracle 10g

Description:        

The Standard Chartered Bank Group operates in all the main business and financial centres across India. We offer a full range of tailored advisory, financial and operational services in both corporate, investment banking and also focus strongly on our consumer and commercial offering in India.
In addition, we employ a significant number of individuals in SCB Technology Services India (TSS). This team are responsible for developing and supporting business critical technology applications across the SCB Group. We take pride in our delivery culture, concentrating on excellence in origination, execution and distribution globally.

Responsibilities:

Activities performed as Oracle DBA:
  • Installing Oracle 10g, 9i databases on Red Hat Enterprise Linux 4, Sun Solaris 10, and WinNT.
  • Creating Oracle Databases.
  • Sound knowledge on backup issues.
  • Maintaining and Administering Oracle databases.
  • Migrating the databases as per the application requirement.
  • Configuring the standby for new servers.
  • Planning and Implementing Backup and Recovery Strategy for databases using Hot and Cold Backups, Logical Backups using exp and imp.
  • Cloning of Oracle database to different machine for testing purposes.
  • Tuning various Database Components, Application Tuning using Explain Plan, SQL Trace.
  • Documenting Database Operations.
  • Administering Database space management.
  • Maintaining data files, control files and online redolog files.
  • Maintaining database objects like indexes.
  • Monitoring and Checking Logs.
  •  Handling and monitoring alerts.
  • Working on Tickets.
  •  Interaction with the team members.


Project 2

Duration                                 : June 2010 to March 2011                                   
Role                                        : Oracle DBA
Client                                      : ICICI LOMBARD
Environment                          : Oracle 10g, RHEL 4, WINDOWS NT

 Description:        

ICICI Lombard is the largest private sector general insurance company in India . The company presently has around 4,777 employees in 357 branches. ICICI Lombard allows instant policy issuance and renewal through its website www.icicilombard.com for all retail insurance products including Car Insurance, Health Insurance, Travel Insurance, Two Wheeler Insurance and Home Insurance. There are multiple payment options available including internet banking, credit card, debit card and cash card

Responsibilities:

Activities performed as Oracle DBA:

  • Installation, maintenance of Oracle databases/Oracle Applications and currently working in 10g database.
  • Production support for Oracle Database and Applications in 24*7 environments
  • Resource management at database level
  • Managed Tablespaces and other database objects
  • Creating users, allocation to appropriate Tablespaces, Quotas with necessary privileges and roles for all databases.
  • Monitoring Tablespaces size, resizing Tablespaces, relocating datafiles for better disk I/O
  • Database backup and recovery (Hot and Cold Backups), logical backup using Import and Export
  • Checking space availability in Tablespaces and adding space if They reaches Threshold
  • Documenting Database Operations.
  • Responsible for troubleshooting of the connectivity problems for end-users by configuring tnsnames.ora, listener.ora.
  • Performed all performance related activities on objects, sessions and tablespace level
  • Implemented Database Security using password management policy
  • Maintaining data files, control files and online redolog files.
  • Maintaining database objects like indexes.
  • Monitoring and Checking Logs.

LINUX Administrative activities

·         Installation of Oracle Red Hat Linux.
·         File system management, user accounts, and quotas.
·         Performed user Administration.
·         Performed file system Backup and Restores.


Oracle dba 3+ Resume


Oracle dba Having 3 years of experience  

--------------------------------- Resume Format  ----------------------------------------

Name                                                                                                  Mobile : +91-9999999999
                                                                                                             mail_id@gmail.com
------------------------------------------------------------------------------------------------------------

Professional Summary

·         Having 3 years of experience as an Oracle Database Administrator.
·         Installing and administering Oracle databases in various platforms like windows & Linux.
·         Upgrading database from lower version to higher version.      
·         Database Creation, Database Monitoring and Tuning.
·         Maintaining Tablespaces, Storage management, Undo Management.
·         Performed backup using conventional, HOT backup, cold backup, RMAN (recovery manager).
·         Performed backup using exp\Imp and expdp\impdp.
·         Checking size of database to accommodate objects like table spaces, tables etc.
·         Configured physical standing by database (DATAGUARD) and tested for switchover.
·         Creating Tables, Indexes, sequences etc.
·         Resizing table spaces and addition of new database file.
·         Responsible for software installations, systems support, performance tuning .
·         Experience in performing Schema Refresh.
·         Knowledge on RAC
·         Experience in taking backup of OCR & Voting disk files.
·         Knowledge on managing RAC database using SRVCTL and CRSCTL utilities.
·         Configured RAC on two nodes test servers.

Work Experience:

·         Working as a DBA in TCS from JUNE 2011 to till Date.
·         Worked in ACCENTURE as an associate DBA from AUG 2009 to MAY2011.

Academic Qualification:

·         Bachelor of Commerce  from Name of University



Technical Skills:
Operating System       : Linux,Sun Solaris
Languages                  : SQL,Pl Sql.
RDBMS                      : Oracle  9i, 10g and 11g
Tools                           : SQL*PLUS, RMAN, OEM, DBCA ,NETCA and DBUA etc.
Programming              : SQL, PL/SQL, Shell Scripts.
RAC Utilites                : CRSCTL , SRVCTL , RCONFIG,CRS_STAT ,CRS_STOP etc



·         Projects Handled:

Project#2:
           
            Organization             : TCS, Bangalore
            Role                          : Oracle DBA
            Environment             : windows, Solaris 5.10, Putty,Oracle 10g
                                                 

Contribution:
·         Responsible for both managing and supporting all Production, Development and Staging instances of Oracle Version 10g & 11g.
·         Managing Data guard environments.
·         Applying CPU patches and upgrading databases from 9i to 10g.
·         Backup and recovery using RMAN, scripts for various database activities, troubleshooting etc.
·         Monitoring various database activities like number of users memory usage, Alert log file, Trace files, Archive log files
·         Maintaining Tablespace management
·         Maintaining data integrity and tune database for optimum performance and availability. Excellent in troubleshooting Oracle Network issues.
·         DB Cloning with RMAN.
·         Configuring RMAN utility
·         Creating db-links as per the requirement.
·         Changing Pfile parameters as per requirement.
·         Handle incidents Tickets like Tablespace alarms, file system getting full alarms.
·         Monitoring RAC database through SRVCTL.
·         Knowledge on RAC utilities.



Performance Tuning

·         Configuring Statspack and Analyzing Report
·         Analyzing Automatic work load repository(AWRP)
  •   Automatic Diagnostic monitor(ADDM)
  •   Gathering Schema Statistics 
  •   Creating partitions
  •   Tkprof, sql trace and Explain Plan.
Project#1:

Organization                : ACCENTURE, Bangalore.
Role                             : Junior DBA
Environment               : Windows, Linux, Oracle 10g, Toad, Putty.
 
  Contribution:
·         Installation and maintenance of Oracle Databases on various environments.
·         Backup and Recovery Management.
·         Space management, User management Roles and privileges.
·         Design and implementation of Backup and Recovery activities using RMAN& Export/Import utilities.
·         Taking HOT Backups daily base and weekly cold backup.
·         Monitoring various database activities like number of users memory usage, Alert log file, Trace files, Archive log files.
·         Configuring changes in oracle networking.
·         Provided all kinds of DBA support to development teams as well as production support to various applications.
                                                                                 


Oracle dba Daily Activities

 Daily Activities of Oracle Database Administrator 

  Daily Work of DBA:


  1. Check the Database Availability
  2. Check the Listener Availability
  3. Monitoring space Availability
  4. Viewing the Alert log file to analyze the ORA errors if any.
  5. Check tablespaces should not be used more that 95%.
  6. Viewing the temporary files, through the DBA_TEMP_FILES.
  7. Daily resolving the tickets by using Remedy ticketing tool.
  8. Taking backups by using RMAN on daily and weekly basis.
  9. Check all last night backups were successful.
  10. Health check of the Database.
  11. Rebuilding of Indexes, if bulk load of data is inserted.
  12. Backing up the archive log files.
  13. Monitoring Backups.
  14. Take a COLD/RMAN backups at night time. 
  15. Validate Database backup or Archive backup
  16. Find objects which is going to reach max extents
  17. Database Health Check
  18. CPU, Processor, Memory usage


  Weekly Work of DBA:

1: Growth of the Database.
2: Total full backup of the database through hot backup.
3: Taking logical backups, in case of physical backups failure.
4: Taking weekly Tablespace backup.


  Monthly Work of DBA:

1: Index Rebuild.
2: Tablespace Reorganization.

    Quarterly Work of DBA:

1: Patching
2: Database Reorganization

Saturday, 12 July 2014

Oracle dba Roles and Responsibilities

Roles and Responsibilities : 

1. Installing and upgrading the Oracle server and application tools

2. Allocating system storage and planning future storage requirements for the database system

3. Creating primary database storage structures (tablespaces) after application developers have designed an application

4. Creating primary objects (tables, views, indexes) once application developers have designed an application

5.Modifying the database structure, as necessary, from information given by application developers

6. Enrolling users and maintaining system security

7. Ensuring compliance with your Oracle license agreement

8. Controlling and monitoring user access to the database

9. Monitoring and optimizing the performance of the database

10. Planning for backup and recovery of database information

11. Maintaining archived data on tape

12. Backing up and restoring the database

13. Contacting Oracle Corporation for technical support

14. Setup and maintain documentation and standards

15. Plan growth and changes (capacity planning)

16. Work as part of a team and provide 7x24 support when required

17. Perform database tuning and performance monitoring


18.Perform application tuning and performance monitoring

Thursday, 10 July 2014

Oracle dba Interview at HP Company

Attended F2F Interview at Client  Hp Company

By Payroll Company www.netconnectglobal.com

2+ experience


1ow many databases you are managing

2.how many servers you managing

3.Size of your database

4.On which project you are working ?

5.Explain Oracle Architecture

6.What SMON and PMON do ?

7.What is the use of  Checkpoint ?

8.What does Control File Contains ?

9.How select Statement works

10.How Update Statement works

11.which process writes from datafiles to dbbc ?

12.which writer writes from dbbc to datafiles ?

13.11g new features

14.use of logswitch and scn

15.what u do if u lost all control files 

16.Suddenly one of datafile db01.dbf became unnamed00001.dbf then what u do ?

17.Additional Parameters for standby database ?

18.What are Modes in Dataguard and Explain it 

19.How will you recover if u lost user datafile ?

20.Use of Undo Tablespace

21.Difference Between Normal Export and Datapump Export ?

22.How do u stop and start a Datapump Job ?


Please send Documents to kumarbobby143@gmail.com if you attended any Interview

So,I can upload it in this blog , it will be useful to us and others

Thank Yoy


Thursday, 3 July 2014

Oracle dba Interview at Sharp Gaze Tech Company

Attended Telephonic Interview at Sharp Gaze Tech Services Pvt Ltd

3+ experience

1.what is meant by sga

2.what are logical files

3.diff b/w rman in 10g and 11g

4.How can make import faster ?

5.how to apply missing archive logs to standby db

6.How to check block corruption logically

7.check i/o files in os level

8.archive logs missing at 8am and how to take complete backup at 9pm

9.diff b/w locks and latches

10.patching in rac

11.scan in rac

12.11g new features

Please send Documents to kumarbobby143@gmail.com if you attended any Interview

So,I can upload it in this blog , it will be useful to us and others

Thank Yoy

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