Oracle Dba Resume
SUMMARY
- Oracle Certified Professional with 10 years of Oracle DBA experience and 1+ year as Mysql and 6 months of postgres DBA.
- Experience in Installing, Creating, Upgrading and maintaining Oracle Database 11g & 10g Software.
- Experience in Oracle’s Real Application Clusters (RAC).
- Experience working with ASM, SCAN - IP, VIP, CRS, OCR, Voting Disk, DNS Server etc.
- Experience Working with Regular Cloning & RMAN Cloning.
- Proficient in working with Data Guard for production system in case of disaster recovery, maintained primary and standby databases, Data Guard Broker.
- Experience in working on RMAN backups (Full, Incremental, Cumulative and SCN) and also on cold backups.
- Skilled in performing Logical backup using Traditional export/import and Data pump export/import.
- Experienced in Space Management, Resource management and Capacity Planning.
- Experienced in applying patches including Patchsets and CPU/PSU,One-Off patches on Standalone, RAC and Standby Databases using Universal Installer and OPatch Utility.
- Worked on Oracle GRID Control and Oracle Enterprise Manager
- Exposure to several industry sectors - Banking, Airlines, Insurance,, Health,Manufacturing, Food industry
- Refreshing the Production over the Dev, UAT and keeping the Test Instances in sync with other Instances
- Worked on many day to day activities like creating tablespaces, adding datafiles, resizing, creating users, granting privileges, resetting password etc.
- Experience in Mysql database creation non-GTID and upgrade from 5.5 to 5.6 version
- Good experience in Creation and Maintenance of Database Objects like Packages, Stored Procedures, Functions, Triggers, Database Link, Snapshot, Roles, Privileges, Tables, Constraints,Views and Indexes.Monitoring and managinglocal table partitioning.
- Proven ability to prioritize and complete multiple tasks within stipulated time.
- Excellent team player, a quick learner and exhibits proficiency quickly.
- Strong analytical, communication and leadership skills.
- Good pressure handling capability along with problem solving ability.
- Good interpersonal skills with an ability to work well with others in teams and collaborative work situations.
- Ability to accept change and adapt to organizational change and shifting priorities.
- Planning and scheduling Backups, Database Recovery, taking Logical Backups (with Export/Import).
- Worked on many Database troubleshooting issues.
- Worked on many day to day activities like creating tablespaces, adding datafiles, resizing, creating users, granting privileges, resetting password etc.
- Worked with different teams like Network Team, Application team, SA Team, Development team etc.
- Trained in Hadoop Administration
TECHNICAL SKILLS
Operating Systems: AIX, Windows,Linux,HP-UX,Solaris
Database: Oracle 10g/11g,ODA 11g,12c in ODA, Mysql 5.6,postgresql
Oracle Tools: Expdp/impdp Veritas NetBackup on linux, DBverify, Oracle Enterprise Manager grid control,DBCA,Oracle streams
Tools: Vantive, BMC Remedy 7.1, Maestro,Tivoli(TSM),Service Center,SM9 Ticketing tool,Data Protector,Putty,Winscp,ftp,sftp,BMC
PROFESSIONAL EXPERIENCE
Confidential
Oracle DBA
Responsibilities:
- Configured and installed standalone DR servers on ASM
- Responsible for Oracle Database Administration to provide application operation support services.
- Applied PSU Patches on 11g Oracle databases
- Hands on experience in creating physical standby databases, and involved in converting physical to snapshot standby, and also Active Data-guard.
- Monitored the Applications and database using OEM
- Reorganization of tables, indexes for defragmentation of tablespaces using shrink and export import methods
- Creation of database maintenance plans, rebuild indexes and integrity checks.
- Migration to 12c database from 11g
- Implemented RMAN Backups, Creation of catalog database.
- Responsible for migration of data and implementing structural changes from development servers to production servers using Export, Import
- Diagnose and troubleshoot Database problems and failures.
- Performed planned switchover and failover to physical standby database
- Configured Data guard-broker and involved in registering of databases in Data guard broker using utility DGMGRL.
- Manage Oracle RAC database configurations utilizing Veritas Cluster Server (VCS), and Data Guard to ensure maximum availability and data protection.
- Performed database refresh from Prod to Dev.
- Modify database structures as required by developers due to business or application requirements, clone development databases for testing and training
- Upgraded 11g Oracle Databases.
- Worked on Migrating database on cross platforms.
- Moved objects from one Tablespace to another Tablespace.
- Worked on troubleshooting many Primary & Standby Databases during larger sync gaps
- Troubleshooting RMAN whenever backup is failed and resolved issues.
- Configured RMAN retention policy, archive log deletion policy for Production databases.
- Worked on activating standby databases to make it primary
- Generated Explain Plan & AWR Reports.
- Dropped and recreated Redo log groups and Members.
- Experience in implementing and maintaining database security.
Environment: Oracle 11g,12c RMAN,OEM, Shell Scripting,Remedy,Linux, 11g Grid Control,Veritas net backup,Tivoli backup,Data pump,DBCA
Confidential
Oracle DBA
Responsibilities:
- Installation, Configuration and maintenance of Oracle11g database on UNIX.
- 24x7 Production database administration, support and monitoring to ensure a proactive problem recognition and resolution of database issues
- DBA activities including creation, management, startup and shutdown of Oracle databases, management of data files, redo log files, control files, tablespaces, segments, extents and data blocks & physical storage.
- Worked on creating, monitoring and management of database users, granting/revoking of system/object privileges, management of roles & resources and setting of init.ora parameters.
- Prepared the MOP’s (Method of Procedure) for renaming the Database, Creating and upgrading the DB
- Responsible for working on LUN's, SRVCTL, OCR and Voting Disk of 10g/11g RAC.
- Setup and configure Standby database (Physical & Logical) for high availability.
- Created Different Disk Groups for ASM (Automatic Storage Management).
- Created Database links.
- Monitoring Growth of tables and undertaking necessary re-organization of tables and indexes as and when required.
- Providing Remote Support for the Production Databases
- Performed database Cloning to setup test and development database
- Created standby databases local and remote for many databases.
- Automation of Startup Shutdown on all Production and Development Database
- Worked on Capacity Planning, Space Management, Security Management, Auditing, Shell scripting
- Detect corrupted blocks by using DBVERIFY utility.
Environment: Oracle 11g RMAN,OEM, Linux,Remedy,Winscp,Citrix, Veritas net backup,Tivoli backup,Vantive,Remedy
Confidential
Oracle DBA
Responsibilities:
- Responsible for Oracle Database Administration to provide application operation support services.
- Monitored the production/non-production mysql alert logs for database errors
- Migration of Mysql databases using mysql dump
- Rebuilding mysql slave server with non-GTID
- Resolving the issues/alerts received for Mysql databases
- Actively working with other teams for Server Consolidation & Database Consolidation
- Daily tasks includes resolving the incident tickets received from the Monitoring team using remedy and Vantive Tools
- Completion of Service Requests and security forms received from clients on regular basis for database activities
- Refreshed couchbase database on windows using GUI
- Maintained RMAN catalog server and registered databases in catalog server.
- Monitoring daily data refresh of reporting databases.
- Assisted developers in getting database connection from the client using SQL *net.
Environment: Oracle 11g RMAN,OEM, Linux,Remedy,Vantive,Sun Solaris,Couch base,Mysql,Exadata
Confidential
Oracle DBA
Responsibilities:
- Supported 100+ databases including RAC Production database, a Data warehouse database and lot of Development and Test databases.
- Creation of databases on ODA servers.
- Involved in RAC ONE NODE Database creation
- Utilized Grid Control, ASM and Flashback tools to administer multi-node RAC database.
- Migration to 12c database from 11g
- Converting single instance database to Real Application Cluster (RAC).
- Database creation & planning. Managing the physical design of the database.
- Monitored and involved in trouble shooting the golden gate process during the on-call periods
- Created, Configured and Set up RMAN Catalog databases and registered target databases with the Catalog.
- Plan, coordinate, and implement network security measures.
- Cloned/Refreshed Database environments to create patch, test, development and QA environments.
- Maintained Oracle 10g/11g Data Guard/standby databases for fail-over purposes
- Managed GUI based Postgresql databases on Vmware
- Database migration from 10g to 11g on different platforms on 12c ODA servers
- Monitoring the databases and servers are done using grid control and Service center tools
- Allocating system storage and planning future storage requirements for the database system.
- Resolving the issues/alerts received during on-call periods
- Participated in development of enterprise-wide security standard methodology, and ongoing deployment.
- Performing daily Health Check of the databases assigned as primary DBA
- Actively working with other teams for Server Consolidation & Database Consolidation
- Daily tasks include resolving the incident tickets received from the Monitoring team using DWNG tool
- Develop upgrade roadmap and perform upgrade of Database from 10g to 11g.
- Database tuning at the instance level using AWR,ADDM reports and OEM.
- Thorough understanding of architecture and operational mechanism of CRS, GNS, GPNP.
- Configured SCAN as a cluster alias for load balancing and as a client connection failover mechanism
- Worked on Capacity Planning, Space Management, Security Management, Auditing, Shell scripting
- Involved in importing the production data to lower environments for testing purpose.
Environment: Oracle 10g,11g RMAN,OEM, ODA,RMAN,Linux,Remedy,Service center,Sun Solaris,Golden gate, postgresql
Confidential
Oracle DBA
Responsibilities:
- Database creation & planning. Managing the physical design of the database.
- Allocating system storage and planning future storage requirements for the database system.
- Installing Oracle 11g, grid agent on various platforms.
- Upgrading the databases, catalog from 10g to 11g
- Applying Oracle Patches using OPATCH on RAC database
- Provided support in managing Oracle streams databases
- Database refresh using RMAN,duplicate,logical backups.
- DR test using SQL,DGMGRL and flashback method
- Schema and table refresh using datapump
- Databases Backup and Recovery using RMAN and Data Protector backups
- Using the flashback feature to roll back the database at particular time as per requirement
- Monitoring the databases and servers are done using grid control and Service Manager(SM9).
- Restored & Recovered datafiles from standby to primary using service
- Recovered standby database using service from RMAN
- Exported, Imported Schemas and Tables, Remapped Schemas and Tablespaces.
- Imported Schemas & Tables using network link.
- Worked on Flashback Tables & Databases.
- Worked on block corruption and fixed the corrupted blocks.
Environment: Oracle 10g,11g RMAN,OEM, ODA,RMAN,Linux,Remedy,Service center,SM9,HP backup tool,Sun Solaris
Confidential
Oracle DBA
Responsibilities:
- Maintaining more than 300 Prod/QA/Dev/LAB databases in 24X7 Environment.
- Database and server monitoring using grid control and BMC Patrol.
- Database creation & planning. Managing the physical design of the database.
- Allocating system storage and planning future storage requirements for the database system.
- Reorganization of tables, indexes for defragmentation of tablespaces
- Installing Oracle 10g, grid agent on various platforms.
- Upgrading the databases from 9i to 10g in standby environment. Catalog upgrade.
- Applying Oracle Patches using OPATCH. i.e. Bug Fixes, CPU and PSU Patches.
- Managing the High availability for the databases using HACMP.
- Creation of Physical standby databases for high availability
- Monitoring log apply services & log transport services.
- Configuring dataguard for standby databases
- Backup and Recovery of the databases using RMAN and TSM backups
- Implementing and managing Table Partitioning for Performance enhancements.
- Documentation of performed tasks for future reference.
- Performing daily Health Check of all the databases
- Monitoring and Troubleshooting of Database Replication issues
- Daily tasks includes resolving the incident tickets received using Remedy
- Completion of Service Requests received from clients on regular basis for database activities includes which refresh of data, Data changes in database, database creations, RMAN backups failures
- Worked with third party Maestro for any database related jobs failures
- DR Exercise: Perform planned switchover and failover to physical standby database with and without Data Guard Broker
Environment: Oracle 10g,11g, RMAN,OEM, ODA,RMAN,Linux,Remedy,Service center,HP backup tool,AIX,Maestro backup tool,, Citrix,Winscp, Veritas net backup,Tivoli backup
Confidential
Oracle DBA Trainer
Responsibilities:
- Monitoring database and system health and performance.
- Monitoring alert log and trace files.
- Managing controls files and redo log multiplexing.
- Responsible for Oracle Database Administration to provide application operation support services.
- Documentation of performed tasks for future reference.
- Provided support to client by traveling to client sites, and rectifying the problems raised for current and prospective customers.
- Creation of user, roles and assigning privileges
- Documentation of performed tasks for future reference.
- Prepared daily, weekly and monthly reports for clients
Environment: Oracle 10g,11g RMAN,OEM,RMAN,Linux,Remedy,TOAD,Windows