Oracle Dba Resume
Dallas, TX
SUMMARY:
- Over 6 years of experience in System Analysis, Design, Development and Administration of Oracle 8i/9i/10g/11g Databases.
- Experience in Installation, Configuration, patching, upgrades and Maintenance of Oracle Databases.
- Experience with RAC installation and configuration on both 10g and 11g environments.
- Experience with RMAN, OEM Grid Control, Oracle Automatic Storage Management (ASM), Data Warehousing, Oracle Data Guard, Oracle Streams, Golden Gate, Oracle Data pump.
- Experience in Database Cloning from production to test and development databases.
- Experience in Upgrading Databases from 8i to 9i, 9i to 10g, 10g to 11g.
- Experience in cross-platform database migrations from Sun Solaris to IBM AIX and Windows to Linux.
- Expertise in Configuring, managing and troubleshooting data replication.
- Experience Golden Gate installation, configuration and administration.
- Experience in Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), Active Session History (ASH).
- Proficiency with Tuning the SGA, Monitoring and Detecting Locks.
- Experience in Materialized views.
- Experience in Replication using Materialized Views, Streams and GoldenGate.
- Experience in managing large Multi-terabyte Oracle databases.
- Applying PSU/CPU patches, Oracle patches, Release upgrades, ONE-OFF patches.
- Expertise includes Data Analysis, Data Modeling using ERwin tool, Data Cleansing, Transformation, Integration, Data import, Data export.
- Good experience in Database Design (Conceptual, Logical and Physical database design)
- Good experience in Capacity Planning and Bench Marking.
- Good experience in SQL, PL/SQL development. Written PL/SQL Functions, Procedures, Packages and Triggers.
- Experience in Partitioning (Range, List, Hash, Interval Partitioning).
- Experience in database security strategies. Creating database users, user roles, profiles and audits.
- Experienced in Planning, Installation, Physical and Logical Database Design, Data Migration, Backup and Recovery, Cloning, Refreshing test and development databases, Monitoring, Trouble shooting & Tuning.
- Goal Oriented, Good Co-ordination and Co-operation with the Team and Management. Adept at learning and adaptable to complex work environment.
- Managing projects ranging from simple implementation to heterogeneous setup for organizations of varying size and complexity in a 24/7 production environment.
TECHNICAL SKILLS:
RDBMS: Oracle 8i, 9i, 10g RAC, 11g RAC, SQL Server, MySQL OS: Red Hat Linux 4.x/5/x/6.x, Sun Solaris, Sun 8/9/10, HP -UX 10x./11.x, Windows NT/2000/2003/Vista/XP/7 Languages: SQL, PL/SQL, Unix Shell script, C, C++, JAVA, HTML. Tools : RMAN, ASM, OEM/Grid Control, SQL*Plus, Export/Import, DataPump, SQL*Loader, Statspack, ASH, AWR, ADDM, Toad, SQL Developer, Erwin, Streams, GoldenGate, Informatica, Cognos, EMC, NetApp, Veritas NetBackup, TSM, HP Omni Back, Microsoft Office Tools.
EDUCATION:
- Bachelor of Engineering
PROFESSIONAL EXPERIENCE:
Confidential, Dallas, TX Oct '10 - Till Date Role: Oracle DBA Responsibilities:
- 24x7 Production on call Database support
- Installation, Configuration and Administration of Oracle 10g and 11g databases.
- Involved in Installation and configuration of Oracle 10g RAC, Oracle 11g RAC.
- Converted Single Instance Database to Multi Node RAC.
- Added nodes to existing RAC.
- Upgraded database from Oracle 9i to 10g to Oracle 10g to 11g.
- Installation, Configuration and Administration of Oracle 10g RAC, Oracle 11g RAC, Standby Database (Active Data Guard) for High Availability, Disaster Recovery and Reporting purpose.
- Migrated databases from Sun Solaris to HP-UX and Windows to Linux
- Database Cloning from production to test and development databases
- Maintained backups for recovery using RMAN.
- Designed and implemented backup and recovery strategies.
- Performed Full, Incremental backups using RMAN.
- Performed Cold/Hot backups.
- Performed Schema Refreshes using export/import and oracle Data Pump.
- Performance monitoring and tuning using SQL TRACE, TKPROF, EXPLAIN PLAN, STATSPACK, AWR, ADDM.
- Planned and designed databases; including designing local structures and forecasting further expansions.
- Database Design (Logical and Physical database design).
- Capacity Planning and Bench Marking.
- SQL, PL/SQL development. Written PL/SQL Functions, Procedures, Packages and Triggers.
- Written Shell Scripts for backups, cloning databases, monitoring.
- Partitioned large tables for better performance.
- Replication using Materialized Views, Oracle Streams and GoldenGate.
- Automated the regular jobs using crontab and dbms_scheduler.
- Replicated tables of a Schema using Oracle Streams with two oracle databases in 10g.
- Extensively used Export/Import utilities for selective backup, transferred tables between oracle instances.
- Database security and auditing.
- Designed and conducted a data quality strategy plan to ensure no data was lost or corrupted during migration.
- Performed Space Management and Capacity Planning.
- Controlled and monitored user access to the database.
- Responsible for applying Oracle Patches and CPU patches.
- Generated SQL and PL/SQL scripts to create and drop database objects including tables, views, primary keys, indexes, constraints, packages, sequences, grants and synonyms.
- Analyzed schemas on all the databases on a regular basis.
- Supported development, testing and production databases.
Environment: Oracle 11g RAC/10g RAC/9i, SQL, PL/SQL, SQL*Loader, RMAN, DATAPUMP, OEM Grid Control, SQL Plus, Sun Solaris, HP-UX, IBM AIX, RedHat Linux, Windows.
Confidential, DFW, TX Apr '09- Sep'10 Role: Oracle DBA Responsibilities:
- 24x7 Production on call Database support
- Installation, Configuration and Administration of Oracle 9i, 10g and 11g databases.
- Involved in Installation and configuration of Oracle 10g RAC.
- Converted Single Instance Database to Multi Node RAC.
- Upgraded database from Oracle 9i to 10g to Oracle 10g to 11g.
- Built Physical standby databases.
- Designed and implemented backup and recovery strategies.
- Performed Full, Incremental backups using RMAN.
- Performed Cold/Hot backups.
- Performed logical backups using DataPump.
- Performed Schema Refreshes using export/import and Oracle Data Pump Export and Data Pump Import.
- Performance monitoring and tuning using SQL TRACE, TKPROF, EXPLAIN PLAN, STATSPACK, AWR, ADDM.
- Replicated tables of a Schema using Oracle Streams with two oracle databases in 10g.
- Created Physical Database and storage structures.
- Partitioned tables.
- Used DBverify utility to check the data block corruptions.
- Created primary database storage structures like Tablespaces, tables, views, indexes etc.
- Performed Database cloning/refresh from production to the development database.
- Implemented Security administration by creating of roles, views and granting the necessary object/system privileges to users. Applied Database software fixes/patches.
- Interacted with the users and resolved the problems involved with the development of stored procedures, triggers and problems related to the privileges & resources.
- Aided developers in writing efficient code and making efficient use of resource leading to better performance and optimization.
Environment: Oracle 11g /10g RAC/9i, SQL, PL/SQL, SQL*Loader, RMAN, DATAPUMP, OEM Grid Control, SQL Plus, HP-UX, IBM AIX, RedHat Linux, Windows.
Confidential, Sacramento, CA Dec'08 - Mar'09 Role: Oracle DBA Responsibilities:
- 24x7 Database administration support
- Installation, Configuration and Administration of Oracle 9i, and 10g databases.
- Supported the Production, Development and Test databases.
- Installed and configured Oracle 10g RAC.
- Writing PL/SQL code.
- Performed Full, Incremental backups using RMAN.
- Performed Cold/Hot backups.
- Performed logical backups using DataPump.
- Performed Schema Refreshes using export/import and Oracle Data Pump Export and Data Pump Import.
- Performance monitoring and tuning using SQL TRACE, TKPROF, EXPLAIN PLAN, STATSPACK, AWR, ADDM.
- Analyzed schemas on all the databases on a regular basis.
- Upgraded database from Oracle 8i to 9i and 9i to 10g.
- Applied patches to fix the bugs.
- Involved in Database Design (Conceptual, Logical and Physical database design)
- Performed database and SQL tuning and troubleshooting including analyzing traces, reorganizing indexes.
- Used tools such as RMAN for backup and recovery.
- Designed new job process, and did performance tuning of the existing ones.
- Oracle Data Guard setup.
- Performed Database cloning for the Development environment.
Environment: Oracle 10g RAC/9i/8i, SQL, PL/SQL, SQL*Loader, RMAN, DATAPUMP, OEM Grid Control, SQL Plus, RedHat Linux, Sun Solaris, IBM AIX, Windows
Confidential, India Mar'07 - Nov'08 Role: Oracle DBA Responsibilities:
- Installation, configuration and administration of Oracle 8i/9i/10g databases
- Installed Oracle and related tools, upgraded the database and applied patches as and when required.
- Cloned Production to QA, TEST and DEV environments.
- Performed Tuning by generation of STATSPACK reports and Tracing of Queries.
- Performing all daily Maintenance tasks. Interacting with Oracle Customer service as and when required.
- Monitoring the Database storage and day-to-day activities.
- Generated scripts for daily maintenance activity like analyzing the tables/indexes, and monitoring their growth rate.
- Performance monitoring and tuning using SQL TRACE, TKPROF, EXPLAIN PLAN, STATSPACK, AWR, ADDM.
- Experience in database security strategies by creating database users, user roles, profiles and audits.
- Performed RMAN backups and tested various recovery scenarios for production databases.
- Coordination with the team and ORACLE Support for troubleshooting the database issues.
- Reorganization of tables and rebuilding of indexes.
- Developed UNIX Shell scripts to backup Oracle databases.
Environment: Oracle 10g RAC/9i/8i, SQL, PL/SQL, SQL*Loader, RMAN, DATAPUMP, OEM Grid Control, SQL Plus, RedHat Linux, Sun Solaris, HP-UX, Windows
Confidential, India May'06- Feb'07 Role: Oracle DBA Responsibilities:
- Created Oracle Databases as per the requirements.
- Performed software installation and applying patches.
- Created the users and roles as per the business requirements.
- Performed Hot and Cold backups, Export/Import.
- Performed media recovery.
- Performed database administration tasks creating tablespaces, tables, indexes, synonyms, database links etc.
- Created Database links to connect different databases.
- Written Database stored Procedures, Functions, Packages & Triggers.
- Performed Unit, System and User Acceptance tests of different modules.
- Interaction with end user to solve their production related problems.
- PL/SQL programming and shell scripting.
Environment: Oracle 10g/9i/8i, SQL, PL/SQL, SQL*Loader, RMAN, DATAPUMP, OEM/Grid Control, SQL Plus, RedHat Linux, Sun Solaris,Windows