Oracle Dba Resume
New York, NY
SUMMARY
- Over 6 years of IT experience, 5 years of extensive experience as an Oracle DBA on 9i, 10g, 11g in Standalone and Cluster environments.
- Build RAC from scratch on Red Hat Enterprise Linux.
- Experience in Data Center Migration.
- Experience in setting up Oracle Data Guard and Grid Control.
- Experience in setting up ASM disk groups and Golden Gate.
- Set up Materialize View Server.
- Worked with many following 11g new features. For example:
- SQL Access Advisor
- SQL Performance Analyzer
- SQL Plan Manager
- Table compression enhancement
- Active Data Guard
- Upgraded from 10 to 11g R2.
- Query Result Caching
- Invisible Indexes.
- Database Replay.
- AWR Baseline Enhancements
- Automatic Memory Management.
- Automatic SQL Tuning.
- Data Recovery Advisor.
- Read - Only Tables
- Flashback Enhancements
- RMAN Enhancements
- Table Compression Enhancements.
- Worked on Tablespace/Extent/Segment Management
- Worked on Backup and recoveries using user managed and RMAN.
- Setup Oracle Enterprise Manager (OEM) 10g
- Worked on 11g Cloud Grid Control for database monitoring / performance / diagnostics.
- Planning and scheduling Backups, Database Recovery, taking Logical Backups (with Export/Import).
- Maintain Oracle fail over databases (Physical and Logical standby databases- Data Guard)
- Oracle Tuning Pack. Oracle RAC Good knowledge of Flashback technology in Oracle 10g, & 11g.
- Proficient in Oracle RDBMS - including SQL, PL/SQL and all areas of database Administration.
- Experience monitoring Oracle RDBMS availability, database exports, datapump, tablespace, and extents fragmentation.
- Automated Storage Management (ASM) for 10g/11g databases.
- Installed and Administered Grid Control.
- Worked with Oracle on open issues.
- Discoverer Administration including the design and administration of Business areas.
TECHNICAL SKILLS
Databases: Oracle RDBMS 8i, 9i, 10g, 11g, RAC, Grid Control, Data Guard
DBA Tools/Utilities: RMAN, Oracle Enterprise Manager, AWR, Oracle Diagnostics Pack, DBCA, DBUA, SQL*Plus, SQL*Loader, Oracle Export/Import utilities, STATSPACK, EXPLAIN PLAN, TKPROF, TOAD, DBconsole, data pump.
Operating Systems: UNIX (Sun Solaris, HP-UX, AIX, LINUX), Windows NT/2000/XP
Languages: SQL, PL/SQL, Shell Scripting, HTML
PROFESSIONAL EXPERIENCE
Confidential, New York, NY
Oracle DBA
Responsibilities:
- Provide 24x7x365 administrative support staff.
- Configure Data Guard to provide high availability using Physical stand by database.
- Use RMAN duplicate database feature to move/clone databases on Linux, AIX and Solaris.
- Cluster Installation and Configuration, Administering databases in RAC for high availability.
- Install, configure and setup of 11g RAC on Linux.
- Add new nodes to RAC 11g Cluster to distribute the load.
- Install and implement 10g RAC with 4 nodes with ASM.
- Upgrade Databases from 10g to 11g and apply patches per requirement.
- Work on data center migrations on multiple database versions. i.e., 9i, 10g and 11g.
- Responsible for installing and configuring Golden Gate on Oracle Servers.
- Database migration from 9i to 10g to 11g.
- Design, configure and maintain backup and recovery policies including RMAN backups.
- SQL, PL/SQL Tuning and Monitoring.
- Compared and contrasted multiple snapshots using AWR.
- Experience in monitoring and tuning SQL Server and database performance using SQL Profiler, Index Tuning Wizard, and Windows Performance Monitor.
- Responsible for setting up Oracle Golden Gate to propagate information between databases.
- Recover databases and clone applications using RMAN.
- Use AWR, ADDM, TKPROF, and SQL Trace for database performance statistics.
- OEM Grid Control installation and configuration for monitoring and performance tuning.
- Proactive performance monitoring & capacity planning for future database & server growth.
- Perform Range Partitioning to improve the performance of the database.
- Perform Cross platform migration using transportable tablespaces and RMAN.
- Perform Import and Export using Oracle Data pump utilities.
- Administer and maintain database security policies and procedures.
- Experience with administration of high-performance and large-scale multi-terabytes databases.
- Handle all standard database administrative tasks: proactive performance tuning and monitoring, trouble-shooting, back-up and recovery, installations and configurations as needed.
- Use external tables and SQL*Loader to import data from flat files.
- Monitor database space requirements and adjust for future needs.
- Perform version upgrades and patch installs.
- Design and implement database backup/restore methodologies, responsible for troubleshooting performance and networking issues. Basic OS system administration.
- Strict adherence to policies and procedures - specifically change management.
- Perform database administration tasks as part of a scheduled change management task.
- Work effectively with multiple teams at once.
- Provide end-users with updates on their problems. Install server software.
Environment: Oracle 9i/10g/11g databases, 9i/10g/11g (Active) Data Guard, 10g/11g RAC, Data pump, Export/Import, SQL*Loader, Physical Backups, Grid Control
Confidential, Fort Wayne, IN
Oracle DBA
Responsibilities:
- Performed Oracle DBA duties involving development and production support: installations, configurations, backup/restore & recovery, database monitoring & operating system configurations, database performance tuning, assisting in the logical/physical database design, applications profiling, tuning queries and providing support to developers.
- Performed Hot/Cold backups of the database through RMAN or User Managed method.
- Generated and analyzed STATSPACK reports and monitored statistics for performance tuning of the database.
- Reviewed alert logs and dump files to check for any problems related to the database.
- Performed database cloning/exp/imp to setup identical databases in the production and development environments.
- Discoverer Administration including the design and administration of Business areas.
- Maintained Oracle Application Server 10g for use with Discoverer, Portal and J2EE deployments.
- Developed PL/SQL based program for loading Data Mart.
- Oracle Applications server including OID. Implementation of Oracle Applications Server for use with Portal, Custom Forms and Reports and Discoverer 6i.
- Created and maintained users, roles and privileges.
- Upgraded/migrated the production & development databases from 9i to 10.2.0.1 to 10.2.0.2
- Participated in discussions with the management regarding the advantages/disadvantages and upgrade plans.
- Used Oracle 10g AWR & ADDM to monitor database activities and performance tuning.
- Assisted in Database sizing, Capacity Planning.
- Performed Space Management & Troubleshooting the database issues.
- Upgraded OEM Repository and Installing OEM 10Grid Control to monitor all the databases.
- Configured and managed agents to work efficiently with Grid Control.
- Lead coordinator between technical operations team (DBA) and applications users/information systems/processing specialists.
- Generated ASH, AWR, ADDM reports from Grid Control and command line.
- Set up privileges to create local and remote objects.
- Created materialized views to refresh data at regular intervals.
- Used materialized view logs to reduce the replication time costs for fast refreshes.
- Upgraded/Migrated from Oracle 8i databases to 9i and to 10g.
Environment: UNIX, Oracle 8i/9i/10g, Oracle 9i AS, Sun Solaris, Apache, VERITAS Net Backup
Confidential, Schaumburg, IL
Oracle DBA
Responsibilities:
- Pre-Upgrade Planning, study and analysis of Applications and database.
- Analysis of requirements upgrades from Oracle 8i to 9i.
- Database sizing, Capacity Planning.
- Estimate System/Database performance.
- Created/Configured test and development environments using Oracle export/import.
- Database refreshes from production to test and development environments.
- Implemented Oracle Reporting database using snapshots, materialized views from production environment.
- Install and configure Oracle 9i databases.
- Performed various Unix Administration tasks and automated with cronjobs.
- Developed SQL scripts and shell scripts.
- Applied various database and Application patches.
- Configured and implemented Backup and Recovery using RMAN.
- Performed Export/Import of Oracle 8i Database.
- Installed and configured Oracle 9i in test environment for Oracle Applications.
- Successful installation and configuration of Oracle 9i in test and production environment.
- Applied Oracle Database patches.
- Automated tasks using Bash shell scripts.
- Database and System monitoring and troubleshooting.
- Creation of new Database views and indexes.
- Installed databases ranging from version 8 to 10g R2.
- Installing client and upgrading them to satisfy clients need for application.
- Communicated with Oracle and open TAR on handful of occasions to troubleshoot various issues.
Environment: Oracle 9i, 10g on Sun Solaris, RHEL, Window, TOAD