Oracle Dba Resume
3.00/5 (Submit Your Rating)
Beaverton, OR
OBJECTIVE
- Seeking a carrier in Oracle Database Administration to leverage a company’s investment as well as provide an opportunity for advancement
SUMMARY
- Around 9 years of professional experience in Oracle Database Administration
- Expert in areas of Oracle 12c/11g/10g/ PL/SQL, SQL, SQL*Plus, SQL*Loader.
- Experience with Building RAC, Data Guard, ASM, Flashback and RMAN
- Experience in Various Flavors of UNIX - Linux and Sun Solaris.
- Implemented Oracle11g RAC and Oracle 12c RAC with ASM files system using Oracle cluster ware.
- Implemented Data guard (Physical Standby) for standalone databases.
- Migrated Non ASM databases to ASM.
- Experience with High Availability features ( RAC / DG/ ASM / Flashback / RMAN)
- Implemented data replication using Oracle golden gate.
- Upgraded 10g databases to 11g.
- Good knowledge of Oracle 12c and Oracle 11g new features.
- Experienced in Oracle installations, upgrades, migration, designing logical/physical architecture, SQL*Net, database access and Security and auditing.
- Troubleshooting of Performance and Tuning problems in Oracle database using tools like AWR, ASH, ADDM, OEM Grid Control and manual scripts.
- Installation, Configuration and administration Oracle Golden Gate
- Refresh and Cloning using Data pump and RMAN utility.
- Expertise in Maintenance, Patching, Cloning and troubleshooting.
- Excellent knowledge in User Managed / RMAN backups and Recovery.
- Experienced in Database Point in Time Recovery and Tablespace Point in Time recovery.
- Enforcing security by creating roles, granting system and object privileges on the Tables, and stored procedures with DBA concepts.
- Created and modified Database objects like Tables, Indexes, Views, Sequences, Functions, Stored Procedures, Triggers, Stored Procedures and Packages.
- Experience in Working with Oracle Support to resolve issues and open SR.
- Knowledge on Oracle Support processes for technical requests through Meta link.
- Planning and scheduling for the backup of database information using UNIX shell script and Cron-Jobs.
- Enforcing data integrity using integrity constraints & database triggers.
- Good experience in SQL, PL/SQL, Partitioning, Data modeling, OLAP, Logical and Physical Database Design, Backup and Recovery procedures, full-backup, incremental and cumulative backups.
- Excellent Analytical, Communication and Presentation skills.
- 24x7 support provided during on-call schedules.
- Installation of ETL Tools and repository creation for developers.
- Supported ETL and BI teams in development process.
- Created Container and Pluggable databases by using Oracle 12c Database.
TECHNICAL SKILLS
Languages: PL/SQL, SQL, SQL*PLUS, C, Java, Shell Scripting
Database: Oracle 11g Oracle 10g
Operating System: UNIX, Solaris, Linux and Windows
Tools: SQL*PLUS, SQL Developer, TOAD, PUTTY, OEM, RMANSQL* LOADER, Imp/Exp and Data pumpTuning Tools TKPROF, EXPLAIN PLAN, ASH, AWR, ADDM
Tools: /Utilities: RMAN, ASM, Grid Control, Golden Gate, EXP, IMP, expdp, impdp.
PROFESSIONAL EXPERIENCE
Oracle DBA
Confidential, Beaverton, OR
RESPONSIBILITIES:
- Installed and maintained Oracle 12c/11gR2 databases having good exposure on Linux, Solaris and Windows.
- Upgrade (10g to 11g) and patching Oracle databases.
- Set up and administered tablespaces, data files, tables, indexes, views and sequences Configured and managed users, security and Redo logs.
- Worked with Oracle Data Pump which provides high speed, parallel, bulk data and metadata movement of Oracle database contents.
- Installed and implemented Golden gate to replicate data between two databases.
- 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.
- Managing users and resources, controlling user privileges, roles and auditing database use.
- Configuring the Data guard set up for Disaster recovery.
- Database cloning for development and testing.
- Monitoring user sessions using OEM 12c and TOAD.
- Involved in database capacity planning and monitor the growth of the database.
- Served as rotating on-call DBA in support of 24x7 operational databases.
- Good experience with user account creation and manage them.
- Implemented Oracle security my granting roles and privileges to particular users.
- Creation and maintenance of users and roles.
- Implemented Data guard (Physical Standby) for standalone databases.
- 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 RAC as well as standalone systems.
- Use of explain plans to tune SQL queries, building indexes to improve performance.
- Good experience in writing SQL and PLSQL queries.
- Good experience in tuning SQL and PLSQL queries to tune the code.
- Created and modified Database objects like Tables, Indexes, Views,, Stored Procedures, Triggers, and Packages.
- Good experience in performance tuning of the database.
- Gather table/schema stats on regular basis to improve performance.
- Analyzing and applying of quarterly security patches.
- Experience with Oracle Golden Gate tool for data migration.
- Involved in setting up and Managing Disaster Recovery sites.
- Worked on Golden Gate Replication tool.
- Backup of the Production & Development Databases, based on business requirements, perform daily incremental backup, weekly backups using Hot and Cold Backup.
- Checking Alert Logs, Archive Logs, Trace files and backup verifications.
- Granting and Revoking Permission to/from the users
- Monitoring of Invalid objects.
- Creation of test and development environments for production databases.
- Supported ETL team and BI team.
- Configured Oracle Data Integrator (ETL Tool) for data migration.
Oracle DBA
Confidential
Responsibilities:
- Organizing Oracle Database operations, installation, creation, configuration of Databases, laying out database tables and database schema design, startup and shutdown of Databases.
- Involved in defining the source to target data mappings, business rules and data definitions.
- Load data into Oracle using SQL *Loader, RMAN backups, Export/Import database objects/schema, Enforce database accuracy and integrity.
- Creating users and roles for database and give the privileges to suitable user.
- Intensively used latest 10g Automatic Workload Repository (AWR) & Automatic Database Diagnostic Monitoring (ADDM) reports for the health check of the databases, and used the notification tool to send the alerts in OEM Grid Control.
- Performed data replication, transformation and delivery of database transactions using Golden gate replication tool. Supported a large number of Development Databases
- Using the ADDM to analyze performance problem and with help of AWR reports for individual SQL statements. Analyzing recent session activity with an ASH report.
- Prepared Installation Procedures for current Patch, Documentation for Adding a node to Existing RAC environment and Data Guard.
- Experienced in cloning databases and Setting up Disaster Recovery Database using Physical Standby.
- Responding immediately to any critical conditions, and proactively to any developing conditions, including: Database locking, Database corruption, Low disk spaces and Performance issues.
- Cloning of production database to the test environment using Recovery Manager (RMAN).
- Created Standby databases for Disaster Recovery, using Data Guard.
- Extraction of data from different flat files into Oracle Database using SQL*Loader and automated Database auditing and managing user groups, Database security, OS space monitoring etc.
- Database Administration and Planning including physical design, backup & recovery.
- Managing Application user profiles and managing concurrent managers, concurrent processing, load balancing.
- With help of Database links provided connectivity to other databases.
- Created database objects like tables, views, indexes, partitions.
- Develop, document and enforce database standards and procedures.
- Setting Oracle Streams for replication between two databases.
- Implementation of RAC, ASM, DATAPUMP, FLASH BACK Recovery
- Clear communication and documentation of technical specifications...
- Experience in developing Oracle Alerts, SQL Tuning and Optimization.
- General database administration including the management of instances, redo logs, temp space, rollback/undo segments and schema
Oracle DBA
Confidential
Responsibilities:
- Designed, configured and installed Oracle Real Application Clusters on a 2 node Cluster.
- Experience in taking backup of OCR.
- Daily database administration tasks including backup and recovery through RMAN, Import/Export.
- Proficiency in standby database (Data guard) installation, configuration, maintenance, and administration for disaster recovery.
- Performed data transfer using Export/Import using command line as well as in interactive mode and through Data pump.
- Designed the database schema and created any necessary database objects.
- Monitor production and non-production database through Grid Control, Optimize queries, startup, shutdown and configure agents to communicate with grid control for various different maintenance tasks.
- Applied patches or upgrades to the database as needed.
- Created number of LINUX shell scripts for various tasks.
- Worked on Oracle Meta-link in case of problems.
- Experience in using Veritas volume manager on UNIX.
- Worked on all phases of the project lifecycle including mapping data requirements, data definitions and construction of logical data models.
- Performance Tuning of Applications/Databases using various Oracle tools like SQL trace, TKPROF, Explain Plan, AWR and ADDM.
- Tuned memory structures such as the database buffer cache, shared pool and library cache.
- Assist application developers to meet their day to day requirements related to performance.
- Handled databases with size more than 1 TB.
- Responsible for code migration between production, development, test and pilot databases.
Oracle DBA
Confidential
Responsibilities:
- Installing, configuring and administering Oracle 9i on LINUX and Solaris.
- Worked in Development Support for Oracle based systems and Unix based Server environments
- Perform capacity planning required to create and maintain database environments.
- Partitioning strategies for very large tables. Partitioned large objects to improve the query performance and manageability.
- Planning Backup and Recovery Strategies for various database environments.
- Developed Recovery procedures that are applied for complete and incomplete recoveries depending on the type of failure.
- Created PL/SQL and shell scripts to automate batch jobs through cron jobs.
- Participated in Disaster Recovery Drills, documented database and application validation steps.
- Writing scripts for the system and database for the effective functionality and report generation.
- Applied High priority, security patches downloaded from Meta link.
- Generated scripts for daily maintenance activity like analyzing the tables/indexes, and monitoring their growth rate.
- Developing Hot, cold and logical backup scripts to automate the backup procedures.
- Monitoring Database for fragmentation and correcting them.
- Experienced with Space Management and Security.
- Management of table space growth, monitoring data files additions, extent growth
- Performed Database, OS and application tuning.
- Monitoring Growth of tables and undertaking necessary re-organization of database as and when required.
- Monitoring Scheduled jobs of the daily activities for the performance of all the databases.
- Prepare the documents of the process and knowledge transferring about the project to the new team members.
- Used Database export/import using exp and imp utilities to take logical backups.
- Performed Data loads using SQL loader utilities.
- Contact to the development team to solve the issues with the new enhancement releases.
- Performing all the Database Administration activity like space management in database, user and roles administration, schema management, checking alert log of all the databases.
Oracle DBA
Confidential
Responsibilities:
- Installation and configuration of Oracle 10g and 11g server.
- Responsible for support, maintenance and administration of development, test and production database.
- Backup of the Production & Development Databases, based on business requirements, perform daily incremental backup, weekly backups using Hot and Cold Backup.
- Performing Logical Backup (Full, User, Table)
- Checking Alert Logs, Archive Logs, Trace files and backup verifications.
- Granting and Revoking Permission to/from the users
- Monitoring of Invalid objects.
- Creation of test environments for production databases.
- Monitor space usage of users and resizing tablespaces.
- Handling day-to-day DBA activities using Oracle utilities and tools, monitoring space and memory requirements and Memory tuning. Checking Alert Logs, Archive Logs, Trace files and backup verifications.
- Expert in applying the patches by using Opatch utility.
- Creation of Development database and Test databases.
- Backup of the Production & Development Databases, based on business requirements, perform daily incremental backup, weekly backups using Hot and Cold Backup.