Oracle Dba Resume
NJ
SUMMARY
- Around 8 years of experience in Oracle DBA & Data Analyst on Linux, UNIX and Windows operating system environments.
- Experience as a Production support/Operations DBA with 24x7/large databases and as a Development Engineer/Data Warehouse DBA.
- Responsible for both managing and supporting all Production, Development and Staging instances of Oracle Version’s 8i, 9i, 10g & 11g.
- Configured and maintained Real Application Clusters environment for high availability and scalability.
- Experience in configuring Data Guard - - Physical Standby Databases.
- Very good experience BMC Remedy Tool for ticketing system.
- Experience in setting backup and recovery procedures using RMAN and Flashback Technologies-Flashback Databases, Flashback Tables etc.
- Experience in implementing Automatic Storage Management for simple storage interface.
- Experience in installing and configuring/Monitoring Enterprise Manager Grid Control.
- Strong knowledge and experience in using Oracle Configuration and Provisioning Pack.
- Extensive knowledge in working with the tools like Grid Control, Oracle Enterprise Manager, TOAD, SQL developer, Datapump, Exp/Imp.
TECHNICAL SKILLS
Database: Oracle (8i, 9i, 10g, 11g), MS SQL 2000/2005Operating systems Sun Solaris, AIX, HP-UX, Windows 2000/2003/2008, Windows NT, Redhat Linux.
Programming Scripting Languages: SQL, PL/SQL, Shell/Perl scripting.
Tools: Oracle Grid Control 11g/12c, SQL*Loader, RMAN, Toad, Remedy, Quest tools, SQL Developer.PL/SQL Developer,Golden Gate
PROFESSIONAL EXPERIENCE
Confidential, NJ
Oracle DBA
Environment: Oracle 9i/10g/11g, Solaris 10, REDHAT Linux 4, Windows Server 2008, Oracle Grid Control RMAN, Remedy and Toad.
Responsibilities:
- Providing full life cycle on DBA/on call support for Production Databases, Administering, UAT, Development and QA databases.
- Installed & Configured ORACLE 10g RAC, 11g on Red Hat ES Linux Servers.
- Upgrade oracle 10g databases to 11.2.0 version
- Created and monitored Physical standby databases on maximum protection, performance mode using Dataguard for Disaster Recovery and performing production databases Maintenance.
- Very good experience with Oracle 10g RAC administration and HA environment.
- Experience in using DB links & materialized views.
- Wrote PL/SQLstored procedures, functions and packagesfor moving data
- Good Experience with Oracle PL/SQL scriptting
- Supported installation and setup of ORACLE Cluster’s and RAC database.
- Monitoring and Administrating ORACLE RAC databases on ORACLE 11g Clusters.
- Having experience with Bigdata databases.
- Experience with BMC Remedy tool for all change management process.
- Upgraded few production databases from version ORACLE 10g to ORACLE 11g.
- Creating Materialized views and Materialized View Logs for Data Replication.
- Working with optimizer Hints and Explain Plan for estimating performance and to generate optimal solutions.
- Monitoring and performance enhancement using session Tracing, Statspack and CPU utilization.
- Monitoring databases and setting alerts using Oracle Grid Control/Enterprise Manager.
- Performed software cloning, tuning, patch management and deployment using Configuration and Provisioning, Diagnostic and Tuning Packs.
- Performing Backups (BLI, Full, Cumulative, Differential), Recoveries using RMAN-Netbackup.
- Experience includes using Golden Gate to support data replication in the Oracle database environment
- Used Flashback technologies-Flashback Table, Flashback Query & Flashback Database to recover from user errors and minimize the Full/Incomplete database recoveries.
- Performing Database Refreshes using Exp/Imp, Datapump, Sql*Loader and RMAN.
- Wrote Shell and Perl scripts for monitoring and automating tasks of various Databases.
Confidential, NJ
Oracle DBA
Environment: Oracle 8i/9i/10g, Solaris 9, Red Hat Enterprise Linux 4, HP-UX 11.2, RAC, Windows 2003, Grid Control 10g/11g, TOAD, and SQL developer.
Responsibilities:
- 24x7 Oracle Database Administration of Production, Development, Testing databases.
- Setup and configured Standby Databases for disaster recovery and reports generation in maximum performance mode using Dataguard.
- Setup and Configured Physical Standby and Logical Standby Databases for various production systems.
- Involved in Data Modeling, Design, Implementation and Creation of Databases.
- Worked closely with System Administrators, Network Administrators to build the RAC environment.
- Involved in setting up of ORACLE 10g RAC Databases for test prototype environment with three nodes-cluster on Red hat Enterprise Linux 4.
- Setup Automatic Storage Management to reduce I/O contention and support RAC databases.
- Patched/Upgraded ORACLE 9i Databases to ORACLE 10g databases using DBUA/Manually.
- Involved in Capacity and Resource planning. Estimated the size of Data files and Redo log files based current transactions rate, time for recoveries etc.
- Designed various Backups/Recovery strategies for Oracle databases as per SLA requirements.
- Configured users into consumer groups and set the resource utilization based upon business activity using RESOURCE MANAGER.
- Configured and performed automated and various levels of backups using RMAN.
- Installed ORACLE Enterprise Manager GRID CONTROL and configured it server targets for a centralized monitoring system.
- Monitored databases Performance using ORACLE Enterprise Manager (OEM) and Grid Control.
- Monitored and maintained Security by managing Roles/Privileges for users of the databases.
- Used advisor, tasks like ADDM, SQL Tune, Access Tune and Undo Advisors for performance tuning.
- Resolved several performance bottlenecks and poorly tuned Ad hoc SQL Statements.
- Installed and updates critical security Patches using Enterprise Manager and O PATCH.
- Worked extensively with tools like SQL * Loader, Datapump, Exp/Imp, for loading data into database and monitoring and querying databases using TOAD etc.
- Documented the entire core procedures required for the oracle database maintenance.
- Created Materialized Views/Snapshots for replications and increase query performance.
- Refreshed PROD, DEV, UAT databases using Datapump, RMAN, Transportable Tablespaces etc.
- Developed Shell Scripts and SQL scripts to carry out routine checks on databases and perform various tasks on the database.
Confidential, CT
Oracle DBA
Environment: Oracle 10g/9i/8i, Sun Solaris 8, AIX 5L 5.3, Windows 2003, TOAD, RMAN, OEM.
Responsibilities:
- Database Administrator for Production, Development and UAT databases and provided on-call production database support.
- Configured Dataguard disaster recovery procedure using Physical Standby Databases.
- Monitored Standby Databases and performed switchover and failover mechanisms of Dataguard.
- Installed ORACLE 9i/10g software’s on Windows and Unix Platforms.
- Setup and Upgraded ORACLE 9i databases to ORACLE 10g databases.
- Setup backup procedures for various PRODUCTION databases based upon SLA.
- Took Full/Incremental backups using ORACLE Recovery Manager (RMAN).
- Applied various patches on regular basis to oracle software homes.
- Monitored Alert log and wrote scripts in SQL for quick health check of the databases.
- Monitored databases using Enterprise Manager and resolved issues based upon severity level.
- Created Clone and Duplicate databases for load testing, Acceptance testing etc using RMAN.
- Created Materialized Views/Materialized Views Logs for data replications.
- Analyzed databases using AWR, Statspack Report and resolved issues to maintain performance.
- Created user assigned Profiles-Resource limits, maintained Security with Roles/Privileges granting and revoking upon requirements.
- Monitored and tuned rollback segment, temporary Tablespaces, redo log buffer, sort area size.
- Managed and resolved design issues during development stage. Worked closely with developers.
Confidential
Oracle DBA
Environment: Windows-NT, Oracle 8x/9i,10g,Redhat Linux, TOAD
Responsibilities:
- Performed Installations of Oracle software on various Windows and UNIX servers.
- Designed and developed Web-enabled Oracle Forms & Reports. Including Forms based on stored procedures.
- Designed and implemented hot backups using a combination of incremental differential and full backups using RMAN and Hot/Cold.
- Created tables, indexes, table spaces, users, integrity constraints and supported all phases of a development cycle.
- Good Experience with Oracle PL/SQL scripting.
- Created PL/SQL programs using collections, record types, object types
- Contributed to team effort by accomplishing related results as needed.
- Responsible for optimizing the queries and application tuning.
- Controlling and monitoring user access to the database for new and existing databases.
- Involved in numerous Shell Scripting pertaining to the activities of the DBA.
- Performing Management tasks on Schemas and objects using TOAD
- Using SQL*Loader, Export, Import in order to Extract and Load Data.
- Worked with database export & import scripts to backup database structures and automation procedures.
- Planning and scheduling for the backup of database information using Crontab jobs.
- Generated daily, weekly and monthly reports regarding total revenue management.