Oracle/sql Dba Resume
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MA
SUMMARY
- 7 years of experience asOracle DBA, providing 24/7 support of both development and production 11g/10g/9i/8i databases on Various Platforms.
- Excellent experience in Installation and configuration ofOracle 8i, 9i, 10g, 11g in UNIX/LINUX and Windows environment.
- Designed and implemented OracleReal Application Clusters (RAC)on Solaris for anOLTP applicationwith TransactionApplication Failover andhigh transaction volume
- Hands on experience withInstallation, Configuration, Migrations, Oracle Data Guard,Backup and Recoveryusing RMAN, Disaster Recovery and Patching, upgradingand administering40 Terabytesof Oracle Databases on Oracle11g/10g/9i.
- Installation,configuration,upgradeandperformancetuningof OracleRAC.
- Experience with SQL,PL/SQL coding, stored procedures, triggers, functions, packages, UNIX Shell Scripting, Partitioning, Indexes, Logical and Physicaldatabase design.
- Management of schemas, objects &partitioningthe tables & indexes.
- Worked on AdvancedReplicationincluding synchronous and asynchronous scenarios
- Experience with Oracle 10g features: Flash - Back Recovery,Data pump, ASM, ASH, AWR,
- ADDM, ASSM, ASMM, Automatic Undo management, Grid Monitoring and Recycle Bin.
- Expertise in supporting replication withsnapshots, Materialized Views and Streams.
- Solid experience with Oracle technologyarchitecture,Oracle and Real Application Clusters.
- Expertise inmaintaining Database Securityusingauditing.
- ConfiguringDB Linksfor users located remotely.
- Knowledge of Data transfer betweenSQL Server and Oracle.
- Ability to function successfully in a highly stressful, 24x7 mission critical environment.
- Excellent analytical and problem-solving skills.
- Result oriented, self-motivated, team player, ability to work independently.
- Excellent written and verbal communication skills.
TECHNICAL SKILLS
Databases: Oracle 8i / 9i / 10g, SQL Server, MS Access
Operating Systems: UNIX, Windows NT/2000
Programming Languages: PL/SQL, UNIX Shell Script
Database Tools: Toad, OEM, DBA Studio
ETL Tools: SQL Loader, Erwin
Version Control Tools: Visual Source Safe
Telnet Tool: Putty, Hummingbird Connectivity (9.0)
PROFESSIONAL EXPERIENCE
Oracle/SQL DBA
Confidential, MA
Responsibilities:
- Implementation of High Availability solutions withOracle 10g RAC,Physical and Logical StandbyDatabases(Data Guard)andReplication using Golden Gate.
- Developed back-end logic for business applications, e.g.views, procedures/functions, triggers.
- Developedscripts and reportsusing SQL, PL/SQL andPerl.
- Designed and implemented OracleReal Application Clusters (RAC)on Solaris withEMC Storagefor anOLTP applicationwithTransaction Application Failoverandhigh transaction volume.
- Established best practices and best procedures for database administration. Responsible for Software life-cycle support to include migrationof all custom application changes through four different instances to production.
- Working alongside programmers and contributing to the development process; Enabling and analyzingtrace files
- Performing monitoring and performancetuning.
- Defining and Settingbackup and recoveryprocedures.
- Performed and tuned using AWR, OEM Grid etc.
- Tuningthe database usingstats packand custom scripts
- Responsible for continuous database monitoring and reorganization for ensuring performance
- Tuningand balancing I/O by monitoring file system and tablespace I/O statistics.
- Experienced inTuning SQLstatements usingExplain Plan, SQL Trace, TKPROF and STATSPACK
- WritingShell Scriptsfor managing day-to-day activities andautomation of backup.
- Optimal Space utilizationin tablespace by avoidingfragmentation.
- Usage ofPartitionsto improve the queryperformance and manageability.
- Installation ofOracle RDBMSserver software andversion upgrades.
- Backup of Database(Making Backup Schedules depending upon Business Strategy: DailyBackup, weeklyBackupetc.)
- SQL and PL/SQL Programming.
- Installation and configurationof Oracle Client software and Tools.
- Analyzed the user requirements anddesigned partitioned tablesfor improving performance of Data marts.
- Analyzed the user requirements andDesigned views using STAR schemafor improving performance of Data marts.
Oracle/SQL DBA
Confidential, MA
Responsibilities:
- Currently helping client to use existing infrastructure to achieve Maximum benefit to reduce cost and maximum performance.
- Actively working with client for Server Consolidation & Database Consolidation.
- Changes were made dynamically whenever possible to fulfill high-availability requirements.
- Enforced need of regular data purging processes from production, design and development, to deployment.
- Implemented and maintained Oracle 10g Data Guard/standby databases for fail-over purposes.
- Propagation from primary to standby via automated scripts, and sometimes uses standby databases to immediately restore primary database.
- Experience with ‘graceful’ switchover and switchback between primary and standby databases.
- Replicated to a disaster recovery site for increased server manageability and availability.
- Participated in development of enterprise-wide security standard methodology, and ongoing deployment.
- Installation of RAC and Managing RAC Environment efficiently
- Proficient in RAC Performance Tuning.
- Create and maintain materialized views.
- Implementing and maintaining database security (create and maintain users, roles and assign privileges)
- Database tuning, Application Tuning & performance monitoring. Fine tuning Initialization parameters, I/O, Memory and Operating System kernel parameters.
- Managed appropriate use of free space within tablespaces, reclaimed space whenever possible. Reorganized tables and indexes within databases when needed.
- Monitored the production Oracle alert logs for database errors.
- Monitored system resource availability and responded to system memory and data issues.
Oracle/SQL DBA
Confidential
Responsibilities:
- Installing 9i database.
- Study and Analysis of Business requirements
- Interacted with the Technical Design team and contributed in impact analysis and creation of the Technical specifications.
- Consistently delivered work assignments within given timeframe, with high quality and zero defect work which was highly appreciated by the client
- Was involved in database design and implementation.
- Participated constructively to help and enable team members with their challenges
- Provided technical assistance to the testing team to understand and setup the testing scenarios and to execute technical intervention test cases.
- Upgraded oracle 9i /10g.
- Creating stand by database.
- Extensively worked on Real Application Cluster (RAC).
- Maintenance of production database and development database which includes tablespace space management, user creation, privileges, roles etc.
- Automated hot backups using a combination of incremental, differential and full RMAN backups.
- Maintaining archive data on appropriate storage devices.
- Tracing, troubleshooting with database performance and tuning issues.
- Export/Import of oracle databases.
- Tuning SQL queries.
- Debugging, troubleshooting Oracle PL/SQL packages, stored procedures and functions.
- Analyzing and validating database objects.
- Monitoring of database size and disk space in Production, Staging & Development environments
- Conducted various meetings and conferences with application teams to meet corporate milestones for database consolidation and data migration. Security and architectural planning issues met as well as testing and training.
- Configured Transactional Replication and Log Shipping with SQL Server Management Studio as well as basic account management and troubleshooting with connectivity, security and firewall issues.
- Conducted Performance Tuning using SQL Profiler and Windows Performance Monitor.
- Configured Database mail, linked servers in SQL server 2005.
- Performed Production support and on Call duties.
- Created monitoring scripts to alert for production issues.
- Migrated Databases from MySQL, Oracle, and SQL Server.
- Coordinating with team members.
SQL Developer
Confidential
Responsibilities:
- Design, develop and implement database systems based on customer requirements.
- Prepare design specifications and functional documentations for assigned database projects.
- Develop database tables and dictionaries.
- Ensure data quality and integrity in databases.
- Create complex functions, scripts, stored procedures, views and triggers to support application development.
- Participate in database design and architecture to support application development projects.
- Optimize database systems for performance efficiency.
- Perform data back-up and archival on regular basis.
- Test databases and perform bug fixes.
- Develop best practices for database design and development activities.
Environment: PL/SQL, Oracle 10g, Eclipse, PL/SQL Developer, Application Server, JDBC, MYSQL, MSSQL