Oracle Dba Resume
Dublin, OhiO
OBJECTIVE
- Aspiring a challenging and motivating position as an Oracle DBA where I could utilize my broad and in - depth technical expertise, applications experience and educational background.
SUMMARY
- Engineering graduate wif 8+ years of experience in Oracle database administration (DBA), RAC, SQL and Linux.
- Providing 24/7 on-call support
- Installed RHEL, setup configured 10g and 11g R2 Databases.
- Upgraded from 9i through 12c
- Migrated database from data center to another data center
- Performed refresh.
- Experience maintaining relational database systems such as Oracle Spatial, Microsoft SQL Server, and PostgreSQL.
- Applied CPU, PSU Patches.
- Worked wif Oracle on issues.
- Experienced in managing and reviewing Hadoop log files.
- Experienced in defining job flows.
- 2 and half Yearshands onexperience inOracle ADF 11g Architecture, JDeveloper, Oracle ADF Development (ADF, ADF Faces, ADF Task FlowsandBusiness Components)wifWeb Services.
- Used various methods of Backup and Recovery including user managed and RMAN
- Worked on Windows, AIX, Sun Solaris, HPUX, and RHEL wif various flavors of Linux.
- Performed various Instance Tuning activities like tuning SGA, PGA and memory parameters.
- Generated and analyzed statspack, ASH, AWR, ADDM to address areas of concern.
- Worked wif Development team on gathering requirements and for performance tuning.
- Developed tip and techniques for capacity planning
- Strong experience in Business and Data Analysis, Data Profiling, Data Migration, Data Mining, Data Auditing, Data Integration and Metadata Management Services.
- Experienced Developer wif exceptionally good in Unix Shell Script, PL/SQL, tSQL, Solaris, Linux.
- Participated in analysis and designing of Oracle Exadata Server for infrastructure and related projects.
- Assisted in integration of Exadata applications into current IT actionable events and solutions.
- Poses expertise in Building RAC from scratch include OS deployment.
- Written Shell Scripts to automate jobs
- Experience in developing commercial web applications, Multi-lingual web apps, enterprise applications and web services by using enterprise technologies, such asJava, J2EE,Spring,JSF,Oracle ADF,Hibernate,EJB, JMS, JSP, Struts, Servlets, Beans, JMS, RMI, HTML, JDBC, XML (XSL,XSLT, XPath),Web Service, SOAandAXIS.
- Provide DBA support wif proactive monitoring using 10g 11g OEM and cloud Control.
- Experienced working wif Gloden Gate. Configure, Setup, Install, & support.
- Conducted analysis and feasibility studies for development of Oracle Exadata solutions.
- Build multiple Oracle Data Guard environment for DR.
- Worked wif Storage team to carve out partitions for ASM.
- Supported Oracle RAC wif Data Guard environment.
- Familiar wif Materialize Views set up and configuration for replication.
- Used Export/import and Data pump for data movement.
- Configured and Worked on Flash Recovery Area (FRA)
- Good understanding of Oracle Wait and Wait Classes.
- Used SQL Developer, TOAD for ERWIN as tools to manage databases.
- Good noledge of explain plan and query tuning.
- Good noledge on Management of schemas, objects & Partitioning teh tables & indexes.
- Build and administered Oracle GlodenGate uni-directional replication.
- Worked on Migration projects
- Used RMAN’s Duplicate Database feature to clone databases.
- Worked on Redo Log sizing to reduce waits.
- Identified performance bottlenecks and recommended usage of right indexing mechanism.
- Worked on consolidating databases project.
- Very good noledge on Data Dictionary
- Poses working noledge on PL/SQL
TECHNICAL SKILLS
- Oracle Database (9i, 10g, 11g and 12c)
- SQL tuning and GlodenGate
- Real Application Clusters (RAC) 10g and 11g
- Installation.
- Operating Systems
- Linux, Solaris, HP-Unix
- Languages
- SQL
- Version control
- Tortoise SVN
- Virtualization
- VMWare Workstation, and Virtual Box
- Date Modeling
- CA Erwin
PROFESSIONAL EXPERIENCE
Confidential, DUBLIN, OHIO
Oracle DBA
Responsibilities:
- Member of DBA team supporting database infrastructure containing 500+ databases by regular administrative
- Activities from database creation to retirement.
- Worked on Fusion applications and oracle Spatial wif SaaS Pot environments.
- Prepare UNIX shell scripts for testing teh application.
- Strong experience in Business and Data Analysis, Data Profiling, Data Migration, Data Mining, Data Auditing, Data Integration and Metadata Management Services.
- Worked autonomously wifin a team of Data Analysts, to analyze, review, update, edit, clean, translate, and ensure accuracy of customer data.
- Migrated 30 SQLServer 2000 and 2005 Databases to Oracle 10g -- All stored proc's,Unix shellscripts and jdbc programs.
- Creating and managing different kinds of tablespaces, monitoring and fixing tablespace space issues on regular basis.
- Creating and managing database objects, users, roles, privileges, profiles.
- Worked onNumerous Adhoc Data Pull requests from Business Analyst, DATA Analyst,BSA and Financial Analyst.
- Migrated Oracle to Cassandra for a predictability around cost growth of their database environment as well as better scalability.
- Created UNIX ShellScripts wif VMware vSphere PowerCLI 6.3
- Worked for Confidential as a Geospatial Engineer/Analyst.
- Worked for Confidential as a Geospatial Application Developer.
- Design teh schema (XSD) for Spatial Web Service wif ArcGIS Server, ArcObjects/SOE, ArcSDE, WCF, XMLSpy and C#, .net.
- Scheduling different kind of jobs, monitoring and fixing of broken jobs on regular basis.
- Installed and configured Hadoop Map Reduce, HDFS, Developed multiple Map Reduce jobs in Java for data cleaning and preprocessing.
- Wrote complex UNIX shell script& VBScript “Server Compliance Program” (10,000+ Lines)
- Performing database refresh using RMAN, Export/Import, and Data pump utilities.
- Experience in installing, configuring and using Hadoop Ecosystem components.
- Migrating large databases to Linux servers wif minimal downtime.
- Upgrading from Oracle 9i/10gto Oracle 11g.
- Exadata X4, X5, Exalogic X4, Exalytics, Glodengate and EBS Migration and Upgrade Expert -- R12.2 -- Oracle Certified Exadata.
- Oracle migration to Cassandra in order to resolve customer shopping cart experience issues related to performance and scalability issues. Teh decision to move to Cassandra was an easy one.
- Design and developed user interface components usingADF Rich Faces.
- Assisted in management and database administration of Oracle database applications on Exadata platforms.
- Upgrading and configuring GlodenGate on Cluster Environment.
- Participated in development/implementation of Cloudera Hadoop environment
- Replication and Extracting data and applying on production using GlodenGate.
- Responsible for developedADF Data Controlsfrom Web Services and Java Components.
- Creating logical and physical database design as per application requirement wif E/R models and normalization using CA Erwin Data Modeler.
- Design, Implement and Test Oracle ADF applications using JDeveloper 11g
- Authoring change management scripts to production databases.
- Implementing partitions to teh tables, also implemented daily/weekly/monthly purge process for dropping/adding partitions.
- Design and developed SPSS wizard components using ADF task flows (BTF and UBTF), train stops, regions, templates and fragments.
- Capacity planning for teh current and future storage requirements based on database volumetrics.
- Developing queries for complex business requirements using SQL.
- Configuring databases and listeners through Oracle Enterprise Manager (OEM).
Confidential, Parsippany, NJ
Oracle DBA
Responsibilities:
- Working on 24x7 production support.
- Monitoring Database Alerts and making report of some Critical Database's Daily Growth size and Tables growth size and Top SQL events and Database Cluster's Node Activity.
- Managing RMAN Backups.
- Develop spatial views for dynamic data updates, query, and delete traffic events on CHART (coordinated highway administration advisory and traffic) application.
- Updated mapping tables related to assigned functional areas as directed by teh Data Analysts.
- UNIX Shell Scripting& VBScripts was delivered and remotely executed to multiple server via “BladeLogic”, or from any server running teh script.
- Develop WebTasks wif ArcGIS Server 9.3 C# .NET for Spatial-Bookmarks, Quick-Find wif SQL Server for Anadarko Petroleum.
- Analyze spatial data for failed mobile calls wifin spatial grids wif Alteryx ETL tool, FME Safe and present wif MapInfo/ ArcMap.
- Design and developed multiple fragments using ADF Rich Faces, Facets, JSF and HTML.
- Imported a large csv file into a Cassandra table using teh COPY command provided in CQL.3.2
- Oracle binaries installation, patching and upgrade.
- Developed ADF Model components (creation, configuration, and tuning of entity objects, view objects, application modules, bindings and data controls).
- Responsible for building, debugging and tuning SPSS application using ADF 11g.
- Installed/Configured/Maintained Apache Hadoop clusters for application development and Hadoop tools, including: Hive, Pig, HBase, Zookeeper and Sqoop.
- Managing production deployments.
- Created UNIX Shell scriptingand VBScripts to detect to assist wif this project.
- Monitoring Growth of Table-spaces and undertaking necessary re-organization of database.
- Proficient in designing and maintaining databases.
- • Analysis of Web logs using Hadoop tools for operational and security related activities.
- Designed and managed a High Availability database infrastructure providing scalability and reliability wif multi-site replication architecture and DR strategy to comply wif firm-wide critical application.
- Generated server side PL/SQL scripts for data manipulation and validation and materialized views for remote instances.
- DevelopedPL/SQL triggersandmaster tablesfor automatic creation of primary keys.
- Install and configure Apache, MySQL5, and PHP on multiple servers, create custom classes, assist in optimizing performance of teh databases and SQL queries.
- Experienced in managing and reviewingHadooplog files.
- Used GlodenGate for GUI-based centralized management.
- Create and manage Oracle users wif appropriate grants and privileges.
- Rebuilding of Indexes for better performance, maintenance of Oracle Database.
- Creating Knowledge Base Documents for Oracle Database.
- Installation and Configuration and Managing 2 nodes RAC database.
- Cloning production database on development servers.
- Set up and maintain teh listener.ora, tnsnames.ora and ORATAB file as per Security requirements.
- Designed application framework and developed Oracle APEX Application.
- Full Database, Tables and Schemas refresh using logical backups.
- Handling Request for Schema change, modifying TNSNAMES.ORA & Parameter files,
- Database backup, Database Startup, Database Shutdown and Bounce.
- Create Accounts and Table-spaces.
- Monitoring of Cluster's node of RAC database.
Environment: Oracle 10g and 11gR1/R2, OEM, RMAN, RAC, Data Guard, ASM, Explain plan, ASH,AWR, SQL* Plus, PL/SQL, SQL* Loader,Cassandra, AIX 6.1, Red Hat Linux 5.0 and Windows MSCS 2003, TOAD 10.0,GlodenGate12c,Hadoop, Oracle Application Express (APEX)UNIX, LINUX,Oracle RAC. MySQL
Confidential, Columbus, OH
Oracle DBA
Responsibilities:
- Installed, configured, and maintained Oracle 10g and 11gR2 on Linux and also Upgraded from Oracle 10g to 11g.
- Construction of Catalog databases and developed scripts to perform Backups of Large Databases to fit teh backup window using RMAN.
- Excellent troubleshooting skills to identify root causes and resolve problems related to application and systems functionality.
- Developed Chebotko diagrams by combining teh conceptual and query workflow of teh application for translating existing domain model into a running Cassandra schema.
- Actively participated in gathering teh requirements and planning teh capacity for multi data center Cassandra cluster.
- Used ASH, AWR, ADDM and stats pack Reports for troubleshooting performance issues and Capacity Planning. Extensively used Explain Plan, Tkprof and SQL Trace.
- Setup procedure for Database statistics gathering - Frequency, Best Time of teh day to execute stats gathering jobs, correct level of gathering statistics.
- Extensive Experience wif RMAN Backups, Hot Backups and Logical Backups.
- Extensively implemented Data pump, conventional Export/Import (Oracle 11g, 10g) for migration and logical backup of database.
- Strong skills in applying security patches (Patch set, Critical Patch Updates (CPU) / Patch Set Updates (PSU), One-off Patch) using "runInstaller" and perl based utility "opatch".
- Performance tuning of teh database - SQL Tuning, Used Tuning utilities like STATSPACK, TKPROFEXPLAIN PLAN, ASH,AWR, ADDM and Tuning of SGA, distribution of disk I/O.
- Experienced in configuration of ASM for RAC and NON- RAC environments.
- Configured Repository and clients for GRID Control and also implemented DB Control for some databases.
- Utilized Oracle streams to Capture, Propagate and apply teh transfer of data, transactions and events wifin managed Databases.
- Database reorganizations and refresh schema-using Export/Import. Creating teh database, table spaces, tables, indexes, setting privileges and user logins
- Used hints for SQL tuning and optimization
- Performed Explain Plan analysis for Query Optimization and SQL tuning.
Environment: Windows, RHEL, Oracle 11g, Oracle RAC (11g), Data Guard, Oracle Grid Control, RMAN, ASM, Red Hat Linux 5.0, STATSPACK, SQL Developer, TOAD, SQL*Plus.Oracle RAC.
Confidential, Richmond, VA
Oracle DBA
Responsibilities:
- Performed Installation and configuration of Oracle 10.2.0.1 database on HP-UX platform.
- Successfully performed migrations from Oracle 10g/11g to 11gR2 RAC (Real Application) Database.
- Implemented Logical and Physical Standby Databases for RAC cluster on Sun Solaris platform using Data Guard feature of Oracle 11g R2.
- Successfully performed data replication using Materialized views and Oracle Streams in Oracle 11gR2.
- Cloned/Migrated databases using RMAN and traditional Data Pump export/import utilities in Oracle 11gR2.
- Used SQL TRACE, TKPROF, EXPLAIN PLAN utilities for optimizing and tuning SQL queries.
- Maintained teh data integrity and security using integrity constraints and database triggers.
- Implemented recovery strategies whenever required and successfully recovered databases in case database crash, media/disk failures by using RMAN.
- Scheduling teh Physical backups (hot & cold) in CRON tab using RMAN utility and monitoring teh scheduled jobs.
- Install and configure block change tracking to work wif RMAN Merged incremental backups.
- Applied patches 10.2.0.2 and 10.2.0.3, 10.2.0.4.
- Responsible for Creating Users, Groups, Roles, Profiles and assigning teh users to groups and grant necessary privileges to teh relevant groups.
- Constantly monitor teh performance (V$ dynamic performance views at peak load) of teh Databases and viewing Alert log files & Trace files.
- Used to run teh scripts to check teh status of databases such as growing table sizes, extent allocation, free space, used space, fragmentation etc.
- Performed space management, capacity planning, disaster recovery and overall maintenance of teh databases.
- Provided 24X7 supports for all teh production and development databases.
Environment: Oracle 10.2.0.1, HP-UX 11, Sun Solaris 10.0, RAC, Red Hat Linux 5.0,Oracle Streams, RMAN, Data Pump, SQL TRACE, TKPROF, EXPLAIN PLAN,Powershell, PYTHON.
Confidential
Oracle DBA
Responsibilities:
- Oracle 10g Installation on UNIX OS and Windows.
- Oracle 10g database cloning, patching.
- Database creation as per project requirements
- Space management database using OEM.
- User Management & Security Management
- Taking Physical and logical backups of teh databases.
- Maintaining Prod, Test.
- Transferring data using Export-import, Datapump.
- Daily Logical Backup and restore for UAT database.
- Used Tools - Oracle Enterprise Manager (OEM), Toad.
- Monitoring teh system resources using vmstat, iostat, top etc.
- Renamed teh Database.
- Creation of database objects & of table, indexes
- Changed init.ora parameter.
- Gathering statistics using Statspack.
- Check alert log & backup log file for possible oracle errors
- Managing stand by database, MIS database & Test database.
- Co-ordination wif users & responsible for quick solutions to their problems.
- Reorganization of Table spaces to reduce teh number of data files wifin teh tablespace.
