Oracle Dba Consultant Resume
WA
OBJECTIVE
- Seeking a challenging position as a Database Administrator, that will utilize my technical skills and professional experience.
SUMMARY
- An IT consultant with 8+ years of Software Development Life Cycle experience involving Requirements, Analysis, Specification, Administration, Design, Development, Conversions, Installations, Maintenance, Upgrades etc.
- Experience with RMAN, Oracle Enterprise Manager (OEM), RAC, OEM Grid control, Oracle Data Guard.
- Extensive DBA experience in supporting multiple instances of ORACLE database including Development, Reporting, User acceptance testing & Production.
- Well versed with Database Administration, Cloning of Database, Backup and Recovery strategy using RMAN.
- Experience in using data pump import/export utility of ORACLE.
- Experience in Database Migration by designing and implementing database logical and physical storage structures.
- Experience in Optimizing database access and allocates/re - allocates database resources for optimum configuration, database performance and cost.
- Extensive experience in daily batch and report monitoring, space management, index rebuilds, statistics collection and other Oracle housekeeping tasks.
- Expertise in data modeling and database designing.
- Strong Oracle PL/SQL development background besides DBA skills.
- Experience in database security strategies by creating database Implemented & monitored daily, weekly and monthly batch jobs in database.
- Worked with Automatic Storage Management (ASM) Oracle utility which provides a simple storage management interface that is consistent across all server and storage.
- Upgrading and Migrating Databases from lower versions to higher versions.
- Experience in analyzing database & rebuilding indexes to improve database performance.
- Applying oracle patches (CPU, PSU and ONE-OFF), using the OPatch utility and fixing bugs.
- Involved in software upgrades, installations and migration of database as and when required.
- Experience in using Golden Gate to support data replication in the Oracle database environment.
- Supported and provided Oracle DBA on-call after hours support for a 24x7 production environment. .
- Maintained all existing databases and new installations at current and stable production levels on exadata platforms.
TECHNICAL SKILLS
Databases: Oracle 9i, 10g, 11g, 11gR2, SQL Server 2005 and 2008
Operating Systems: Red Had Linux, Sun Solaris and Windows
Languages: SQL, PL/SQL, C, JAVA, Shell Scripting, Perl Scripting.
Tools: RMAN, RAC, ASM, Oracle 10g Grid control, OEM Cloud control 12c, Data Guard, SQL*Loader, EXP, IMP, TOAD, Datapump, Golden Gate, SQL developer, ORACLE APPLICATIONS 11i, Exadata.
Tuning Tools: TKPROF, EXPLAIN PLAN, AWR, STATSPACK, ADDM, AUTO Trace.
PROFESSIONAL EXPERIENCE
Confidential, WA
Oracle DBA Consultant
Responsibilities:
- Installed and maintained Oracle 11g/11gR2 databases having good exposure on Linux, HP-UX and Windows
- Upgrade, patching Oracle databases
- Set up and administered tablespaces, data files, tables, indexes, views and sequences Configured and managed users, security and Redologs.
- Worked with Oracle Data Pump which provides high speed, parallel, bulk data and metadata movement of Oracle database contents.
- Monitor Oracle databases, server performance and capacity. Formulate and execute plans for resolving performance issues and meeting resource, growth/capacity demands.
- Investigate, diagnose, and quickly resolve database issues and problems in production and testing environments. Work closely with operations staff to quickly resolve production problems.
- Create, maintain, and test backup and recovery procedures for all databases.
- Install and configure database changes, builds and deployments in support of QA and production testing and release schedules.
- Database cloning for development and testing.
- Identify and write best possible code in case of new deployments or when rewriting code when migrating to newer version of SQL Server.
- Served as rotating on-call DBA in support of 24x7 operational databases.
- Creation and maintenance of users and roles.
- Monitoring user sessions using OEM 12c and TOAD.
- Worked with security team and generated audit reports.
- Supported backup and recovery using cold backup, hot backups, and flashback in 10g, written shell scripts for the UNIX environment.
- Worked on ASM redundancy levels, load rebalancing on different storage technologies.
- Use of explain plans to tune SQL queries, building indexes to improve performance.
- Gather table/schema stats on regular basis to improve performance.
- Analyzing and applying of quarterly security patches.
- Experience with Oracle Golden Gate software.
- Involved in setting up and Managing Disaster Recovery sites.
- Monitoring Smart Flash Cache Activity on Oracle Exadata.
Environment: Oracle 11g R2/11g, Oracle 10g (10.2.0.3/10.2.0.4 ),SQL,PL/SQL, RMAN, SQL Plus, TOAD, Solaris, RAC, HP-UX, LINUX,UNIX, Golden Gate, ASM, Exadata.
Confidential, MA
Oracle DBA Consultant
Responsibilities:
- Installed and configured Oracle 10g, 11g
- Review and apply latest CPU patches both for database and applications.
- Upgrade from 10gR2 (10.2.0.4) to 11gR1 database.
- Tablespace and Data File allocation and management
- Managing schema objects and rollback segments.
- Analysis and application of oracle quarterly patches in dev/qa/production.
- Applying application patches for bugs encountered.
- Database security such as establishing security policies.
- Managing users and resources, controlling user privileges, roles and auditing database use.
- Experienced in taking Hot, cold backups with and without RMAN.
- Restored development databases using RMAN.
- Experience with Oracle RMAN Backup.
- Performed Logical backups at schema level using Export/Import.
- Database instance tuning such as tuning memory allocation, tuning I/O, tuning contention, tuning related to sorts and free lists and check points.
- Installation of Oracle 10g software on various platforms like Red Hat Linux Adv.
- Administrated database regarding space related issues- monitoring Tablespaces, users security of data accessibility and Configuring Archive log destinations
- Reorganized the database tables to improve report generation time.
- Database monitoring using OEM 12c. Application and database tuning using stats pack.
- Improve application run time by building optimal indexes, gathering object statistics, analyze objects and using parallel query.
- Configuring ASM on raw devices.
- Database refreshes, environment configurations, and troubleshooting.
- Performed several rollback to undo and dictionary to local extent management tablespace conversions.
- Troubleshot database errors, warnings, and failed jobs to greatly reduce potential database downtime, and ensure database recoverability.
- Supported different databases like Production, Development, Testing, and Training.
- Resolving database storage management issues.
- Performing the logical and physical structures for tables, indexes, modeling, normalization and foreign key constraints.
- Provided all kinds of DBA support to development teams as well as production support to various applications.
- Troubleshooting Golden Gate issues.
Environment: UNIX Sun OS 5.6/ HP UNIX 11.11, Windows NT 5.0/ 2000, Oracle11g, 10g, RMAN, OEM, Toad, Golden Gate, ASM, SAN.
Confidential, LA
Oracle DBA Consultant
Responsibilities:
- OEM Installation and configuration.
- Installation of 9iR2/10gR2 oracle software.
- ASM to ASM cloning procedure development.
- RAC production administration, lock monitoring and troubleshooting, package migration to production RAC database.
- Migrate from 9iR2 to 10gR2 using export/import.
- Setting up physical and logical standby database / data guard at DR site for operational recovery.
- Cloning of Production instance both using manual clone and Rapid clone utility.
- Upgraded 11. .5.10.CU2 using adpatch.
- Performance tuning and monitoring of Databases through v$ views, statspack, ADDM etc.
- Analyzing the Tables and Indexes using DBMS STATS package.
- Establishing back-up policies (Hot, Cold)and Restore activity.
- Performance Tuning for Optimized results using Explain-Plan, SQL-Trace, STATSPACK/AWR, and ADDM reports.
- Developed PL/SQL procedures, involving dynamic SQL.
- Periodic refreshing of the production data through export and import.
- Monitoring the test database as well as the production database.
- Experience in processes for data modeling.
- Created and managed tablespaces monitored the data files space, resizing and adding new datafile etc.
- Doing Database Reorganization regularly to remove row migrations and fragmentation using table move, rebuild indexes and export/ import utilities.
Environment: Linux, Oracle 10g RAC, SQL server 2005, Toad, Dataguard, Oracle Forms & Reports, Performance Tuning,.
Confidential, Atlanta GA
Oracle DBA Consultant
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.
- 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 Export, Import in order to extract and Load Data.
- Reorganized data files, identification and elimination of contention factors like I/O, buffers and locks.
- Worked with database export & import scripts to backup database structures and automation procedures.
- Expertise in Oracle Architecture, I/O tuning, Capacity planning, space management, Memory Tuning, Performance tuning, Backups, Recoveries, RMAN backups, Optimization, Networking, Troubleshooting.
- Expert in maintaining very Large Databases involved in Data warehouse and ERP Applications of various sizes - 10TB.
- Planning and scheduling for the backup of database information using Crontab jobs.
- Generated daily, weekly and monthly reports regarding total revenue management.
Confidential
Oracle DBA Consultant
Responsibilities:
- Worked under Sr.DBA to perform oracle software installations.
- Installed patches, performed database version upgrades with the Sr.DBA support.
- Execution of SQL queries to monitor usage and performance.
- Extensive user support which includes creation of users, granting privileges, roles, helping in troubleshooting SQL queries.
- Creating user accounts and appropriate privileges as well as maintaining database security.
- Enabled the Database in Archive Log Mode / No archive log mode
- Modifying the database structure, as necessary, to support activities of application developers
- Created Database storage structures Data Tablespace, Index Tablespace.
- Upgrade, patching Oracle databases.
- Experience in performing system backups and restoration using PL/SQL scripting
- Involved in doing Hot, Cold backup with and without RMAN.
- Backups using export and import of schemas.
- Used Stats pack for troubleshooting SQL query performance issues.
- Creation of development and test databases using export/import of full database.
- Managing user, resources and privileges.
- Created and executed SQL reports for management.
Environment:, Oracle 9i/10g, SQL, PL/SQL, SQL Loader, TOAD, OEM.