oracle Dba Resume
Carmel, IndianA
SUMMARY
- About 6 years of IT experience includes expertise in Database Analysis and Administration of Oracle Databases. Excellent experience in Database upgradation, backup, recovery and maintenance.
- Proficient in Oracle DBA activities including installation, migration, configuration, physical and logical database design, backup, recovery of oracle databases.
- Experience in Confidential - UX, AIX, SUN SOLARIS, LINUX and WINDOWS environments.
- Management of Schemas, Objects, Partitioning the tables & indexes.
- Monitoring and management of various database components (logical & physical) like table-spaces, segments.
- Excellent knowledge in Hot/Cold Backup, Recovery and Cloning of databases using RMAN.
- Worked on export/import, data pump and SQL- loader.
- Worked on Oracle tools: Forms, Reports, SQL Plus, PL/SQL, RMAN, Export /Import/Loader).
- Good performance tuning experience, specializing in Operating System Tuning, SQL Tuning, Database/Instance Tuning.
- Worked on setup, installation and maintenance of Oracle Real application clusters (RAC).
- Extensively Used Database Administration tools like Oracle Enterprise manager, DBA Studio, SQL*PLUS, TOAD.
- Experienced in setup and maintenance of both logical and physical standby database using Oracle Dataguard.
- Good experience in SQL, PL/SQL, Shell Scripting, Partitioning, Data modeling, OLAP, Logical and Physical Database Design, Backup and Recovery procedures.
- Worked as a team member to provide 24x7 on-call production database support.
- Expertise in maintaining Database Security using security compliance auditing, expertise in loading data from flat files using external tables, SQL*LOADER, Oracle Enterprise Manager.
- Experienced in migration of applications: Forms & Reports from 6i to 11g.
- Worked on setup and configuration of Oracle Web-logic server and Access Manager.
- Very good team player, self motivated, dedicated in any work environment as well as keen interest in emerging technologies.
TECHNICAL SKILLS
Operating Systems: Confidential -UX 10.x, 11.x, Sun Solaris 2.5, 2.6, 8, 9, 10, AIX 5.1, 5.2, IBM, Red Hat Linux RHEL 2.x, 3.x, 4.x and Windows 95/98/NT/2000/XP.
RDBMS: Oracle 11g/10g/9i/8.x/7.x, Oracle 10g Real Application Clusters
Languages: SQL, PL/SQL, VB.NET, C, C++, XML, UNIX Shell Scripting.
DB Management: TOAD 10.x, 7.x, OEM 9.2
Tools/Utilities: RMAN, OEM, Oracle Management Server, SQL*Loader, SQL Server, Export/Import, TOAD, Data pump, Query builder, Net Backup, VB, Crystal Report, MS Access
Tuning Tools: TKPROF, EXPLAIN PLAN, STATSPACK
Database Modeling: Erwin 4.0
Hardware Platforms: Sun Fire 15K, Sun Fire 6800, Sun V480, V240, Sun Enterprise 6500 / 450, Confidential XP256 / XP512, IBM X series Server, and various PC desktop and servers.
PROFESSIONAL EXPERIENCE
Confidential,Carmel, Indiana
Oracle DBA
Environment: Oracle 9i/10g/11g, PL/SQL, Oracle Enterprise Manager, SQL*Loader, Red Hat Linux, Windows XP,Windows Server 2000, Toad, Sql Plus
Responsibilities:
- Installation, Implementation and maintenance of Oracle databases.
- Worked as the primary Oracle DBA for the whole unit of one of the key branches of the U.S Census Bureau.
- Create the users, roles, schemas with suitable permissions.
- Analyzed, designed, and upgraded the application from client-server form 6i architecture to web-enabled 11g architecture.
- Installed and Configured Oracle Weblogic Server for migration of Oracle Forms & Reports to 11g.
- Installed and configured Oracle Internet Directory OID server, Oracle Access Manager OAM server, and Forms and Reports running on Weblogic 10.3.5 server.
- Installed and Configured Oracle Single Sign-On (SSO), Managed SSO with OAM and OID to support Applications in addition to Oracle Forms and Reports services.
- Installed and configured Oracle Access Manager for Single Sign on, integration with OID 11g and Active Directory.
- Member of the pre and post GO LIVE team for production support. Resolving underlying GO LIVE performance issues.
- Upgraded client from 10g to 11g with ASM.
- Assisted developers and/or users with identifying performance issues and tuning queries and scripts.
- Monitored databases and perform tuning enhancements to optimize their performance.
- Upgrade Databases from 9i to 10g and 11g using RMAN.
- Migration and setup of Oracle Windows Servers from 32-bit to 64-bit servers.
- Creating and managing the database objects such as tables, indexes and views.
- Setup profiles for different users with appropriate security measures.
- Schema backup and refresh on a daily basis from prod to dev and dev to prod and test.
- Apply quarterly patches supplied by Oracle on all production and non-production databases.
- Setup and implemented the Oracle Benchmark Security procedures on all the company’s databases.
- Creating and managing the database storage structures, which include index table spaces, rollback table spaces and rollback segments.
- Monitor all database activity for operational improvements to include, but not limited to; CPU, Disk and Memory utilization, replication and consistency of all parameters across the enterprise.
- Upgrading 10g databases into 11gR2 by using both silent mode and DBUA utility
- Analyzed the database objects using TOAD and assigning and altering the profiles of the Database schemas for security purposes.
- Resolving Oracle listener and TNS names problems by using Net Manager and Oracle Net Configuration assistant. Export and import of database objects.
- Loading the database from text-files using SQL*Loader.
- Create Database Links on different databases for interaction with other Oracle and non-Oracle Databases.
- Setup ODBC Connections for interaction with Sql-Server and other non-Oracle Databases.
- Responsible for creating scripts to load data into production databases using Scheduled Jobs.
- Instance cloning done to create test and training environments
- Setup and maintain Oracle Hot and Cold Backup procedures using RMAN.
- Primarily responsible for monitoring database day-to-day jobs and backups.
- Test RMAN backups and restore/recover procedures from time to time by restoring backups on Test databases.
- Test and monitor the logical backups using Oracle DataPump utility.
- Move all Forms & Reports into Production and maintain Backup copies of both source data and executables.
- Responsible to troubleshoot both Oracle applications and backend data base errors.
- Setup meetings and involved in decisions on future database growth and sizing.
- Involved in team for setup and installation of Oracle OAM - Oracle Access Manager.
- Worked on Forms and Reports 6i and 11g.
- Involved in the setup and configuration of Oracle 11g Forms & Reports.
- Database maintenance including backups, recovery, imports/exports.
- Improve the database performance by Using the Hints, Indexes, Explain Plan and TKPROF for effective retrieval and processing of queries.
- Monitoring the database daily activities.
Oracle Database Administrator
Environment: Oracle 10g/9i, Sun Solaris 9/10, Windows NT / 2000, AIX 5.2, TOAD 7.5.0.0/7.6 , ERWIN 4.0, RMAN, SQL server, OEM 9.2, TOAD 7.5.0.0.
Responsibilities:
- 24x7 production support for several mission critical systems, which utilize multiple Oracle databases.
- Installation of Oracle 10g RAC and 10g Non RAC Databases includes CRS and Applying Patches.
- Upgrading databases to Oracle 10g from Oracle 9i .
- System Study & Analysis, Design &Development.
- Created users and roles.
- Creating and managing the database objects such as tables, indexes and views.
- Manage users, privileges, profiles, schemas using Oracle Enterprise Manager (OEM).
- Data Refresh in Prod, Dev and Test Environments using Data Pump.
- Set up, configured and maintained oracle data guard (primary and standby databases) to ensure disaster recovery, high availability and data protection.
- Coordinate with Unix Administrators for space management on various servers and help in Oracle.
- Data Refresh in Test and Integration Databases using Transportable Table spaces.
- Worked on Data Replication using Materialized views, Snapshot, Streams.
- Supported Test and Development environments to ensure smooth transition of applications into production.
- Apply quarterly patches supplied by Oracle on all production and non-production databases.
- Configuration and Installation of Oracle Internet Directory (OID).
- Work and close all Remedy Tickets ranging from database access to user account creation, modification.
- Worked on import/export and datapump.
- Monitor the various database activities such as backup, error logs, space, object, performance, user and session monitoring to ensure proper capacity and availability
- Installed and Implemented Backup & Recovery procedures. Implemented Hot, Cold and Logical backup plans.
- Setup backup and recovery procedures using RMAN.
- Performed Database and SQL tuning by using various Tools like STATSPACK, TKPROF, EXPLAIN PLAN, and optimizer hints.
Oracle Database Administrator
Environment: Oracle 10g/9i, Sun Solaris 9,Red Hat Linux 3.x/4.x, Confidential -UX, Oracle Enterprise Manager, SQL, PL/SQL, TOAD 7.5.0.0, RMAN, TPROF, STATSPACK, SQL* Loader, Windows XP/2000.
Responsibilities:
- Performed day-to-day DBA jobs for managing Prod/Dev databases.
- Installed 9i, applied patches in various environments and upgraded databases from 9i to 10g.
- Creating Databases, Creating table spaces with storage parameters.
- Performed maintenance tasks on existing test and production environments that included modifying database sizes and migrating changes through various environments.
- Created users and roles. Analyzed tables and re-built indexes regularly.
- Audited database for statements, privileges, and schema objects.
- Creating the database schema, converting VIEWS specific to database.
- Monitoring backups, exporting/importing data, Data Pump, database full backup, incremental backups and recoveries, Flashback, Transportable Tablespaces, Partitioning and Streams.
- Developed/customized UNIX shell scripts to automate routine DBA tasks.
- Recovered successfully three production databases from RMAN backups due to an unexpected media failure resulting in data corruption errors and lost control files.
- Monitored the various database activities such as backup, error logs, space, object, performance, user and session monitoring to ensure proper capacity and availability.
- Part of team which did installation and setup of backups.
- Utilized Oracle Enterprise Manager (OEM) to manage users, privileges, profiles, schemas.
- Utilized SQL*loader and data pump import to load data into tables.
- Created and implemented Oracle database backup and recovery strategies using RMAN.
- Performed Database and SQL tuning by using various Tools like STATSPACK, TKPROF, EXPLAIN PLAN, optimizer hints and SQL tuning advisor.
- Provided 24X7 support for production problems.
Oracle DBA
Environment: Oracle 8i/9i,10g, SQL, PL/SQL, TOAD, Oracle Enterprise Manager, Erwin, SQL*Loader, Sun Solaris, Red Hat Linux, Windows XP.
Responsibilities:
- Installation, Design, Implementation and maintenance of Oracle databases.
- Create the users, roles, schemas, stored procedures with suitable permissions.
- Creating and managing the database objects such as tables, indexes and views.
- Creating and managing the database storage structures, which include index table spaces, rollback table spaces and rollback segments.
- Resolving Oracle listener and TNS names problems by using Net Manager and Oracle Net Configuration assistant. Export and import of database objects.
- Upgrade from 8i to 9i and 9i to 10g and migrate databases of all production databases.
- Schema Refresh from prod to dev when needed and dev to prod and test.
- Setup and test disaster recovery solutions using Active Dataguard.
- Data refresh in test, dev and prod environment using Database links.
- Accomplish day-to-day requirements of User Community.
- Instance cloning done to create test and training environments.
- Responsible to troubleshoot both Oracle applications and backend database errors.
- Maintain the logical and physical structure of tables, indexes, roles etc.
- Database maintenance including backups, recovery, datapump imports and exports.
- Monitor the database daily performance and activities.
Oracle DBA
Environment: Oracle 8i/9i, SQL, PL/SQL, TOAD, Oracle Enterprise Manager, SQL*Loader, Sun Solaris, Red Hat Linux, Windows XP.
Responsibilities:
- Installation, Implementation and maintenance of Oracle databases.
- Create the users, roles, schemas with suitable permissions.
- Creating and managing the database objects such as tables, indexes and views.
- Creating and managing the database storage structures which include index table spaces, rollback table spaces and rollback segments.
- Resolving Oracle listener and TNS names problems by using Net Manager and Oracle Net Configuration assistant. Export and import of database objects.
- Upgrade from 8i to 9i and 9i to 10g and migrate databases of all production databases.
- Schema Refresh from prod to dev when needed and dev to prod.
- Timing of Database Disaster Recovery & Restoration.
- Routine Reorganization of Databases, hot backup recovery exercises.
- Accomplish day-to-day requirements of User Community.
- Instance cloning done to create test and training environments
- Responsible to troubleshoot both Oracle applications and backend data base errors.
- Performing the logical and physical structure of tables, indexes, modeling normalization and foreign key constraints.
- Database maintenance including backups, recovery, imports/exports.
- Monitoring the database daily activities.
Confidential
Oracle Developer/DBA
Environment: Windows 95, 98/NT / 2000, Oracle 8i/9i, Sun Solaris, AIX, SQL Loader
Responsibilities:
- Installation, Implementation and maintenance of Oracle databases.
- Create the users, roles, schemas with suitable/appropriate permissions.
- Responsible for administering and supporting production and development Oracle 7/8i/9i databases.
- Responsible for installing, upgrading and configuring the Oracle server, creating databases, storage structures and objects, database backup and recovery, monitoring and optimizing database performance.
- Creating triggers, sequences. Developing procedures and packages.
- Designed backup and recovery procedures.
- Sizing the databases for future growth.
- Partitioning of large tables to increase the database performance.
- Responsible to troubleshoot both Oracle applications and backend data base errors.
- Configured scripts to monitor activity of the database.
- Resolving Oracle listener and TNS names problems by using Net Manager and Oracle Net Configuration assistant.
- Loading the database with SQL*Loader.
- Responsible for optimizing the queries and application tuning.
- Implement Hot, Cold and Logical backup plans.