oracle performance tuning Freelancers

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oracle performance tuning Upwork freelancers typically receive a client rating of 4.98.

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Last updated: May 1, 2015

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  1. Emrah B.

    Emrah B.

    Certified Oracle Developer / DBA

    Turkey - Last active: 2 days ago - Tests: 2 - Portfolio: 2

    I am an individual with 10 years of experience in Oracle. I've taken responsibility and specialized in all aspects of Oracle Database systems. * Oracle 9i/10g/11g/12c Administration * PL/SQL Development * Oracle RAC (Real Application Clusters) * SQL Tuning * Database Design and Modelling * Performance Tuning * ASM (Automatic Storage Management) * Backup and Recovery With RMAN * Oracle Enterprise Manager Grid Control Administration * Oracle Dataguard Administration * Linux System Administration

    Groups: Oracle Certified Associates

    $28.00 /hr
    1,259 hours
    4.68
  2. Dickson Kimani

    Dickson Kimani

    Accomplished Project Manager, DBA, DW & BI Admin, Technical Writer

    Kenya - Last active: 2 days ago - Tests: 9 - Portfolio: 4

    I am an accomplished, multi-faceted ICT professional who loves working remotely. A quick overview: • 11+ years' experience (and certification!) as a Database and Systems administrator, and a senior systems admin since 2005. Also experience in managing, tuning and administering Oracle 10g/ 11g and SQL Server 2005/ 2008/ 2012/ 2014 databases. • Skilled in Data warehousing, Systems Analysis and Business Intelligence. experience in cube and model management to implement advanced reporting, trend analysis and pattern matching business requirements, mainly for financial-services, healthcare and banking clients. Excellent understanding and implementation of client's BI needs using SSAS, SSIS and SSRS. • Windows Server and Linux admin, email administration on Exchange 2007/ 2010, and SAN implementation and administration on NetApp. Managed a team of 7, providing mission-critical IT services to a busy financial-services organization. This includes Oracle & SQL Server database administration, Windows & Linux server admin, and LAN & WAN setup and maintenance. Set up and implemented a complete ICT Disaster Recovery plan for a financial-services organization with 500+ employee, which resulted in a Business Continuity Planning (BCP) award for the org. 8+ years as an ITIL-certified ICT project manager. I act as a bridge between the technical ICT world and the 'real' world of clients who simply want technical solutions to business problems. Successfully oversaw and implemented two major recent projects - a mobile-payment and communication platform, and a workflow and document-processing solution, both for a leading healthcare provider. Finally, I am an excellent technical writer. Authored several articles and whitepapers on ICT, especially in the areas of database & systems administration and cloud computing. Also utilizes tech-writing and communication skills to better communicate with clients as a project manager and systems administrator.

    $25.00 /hr
    2,722 hours
    5.00
  3. SHK Umesh

    SHK Umesh

    Support/DBA/Implementation/Integration

    Sri Lanka - Last active: 2 days ago - Tests: 5 - Portfolio: 3

    I have over Seven years of experience in Support/Implementation/Intergration and DBA Skills : Operating systems: Sun Solaris, IBM AIX, HP UX, Redhat, Windows Server Database Management System: Oracle, Informix,DB2, MySql Others: Shell(Bash) scripting, Mysql Cluster and replication (Master - Master/Master - Slave/NDB/DRBD) and Informix cluster (HDR/RSS/SDS), Redhat clusters, DB2 Clusters (PureScale and Q-Replicaion), Java programming Python scripting, Tomcat admistration, Windows power shell scripting

    $22.22 /hr
    665 hours
    4.61
  4. Samarth S.

    Samarth S.

    Oracle, SQL Server & MY-SQL DBA with more than 11 years of experience

    India - Last active: 1 month ago - Tests: 1

    Having 11 Years of experience in managing production critical databases in Oracle 9i/10g/11g , SQL Server 2000/2005/2008/2012 and My-SQL for Different MNC doing business in Manufacturing, Support, Development etc. Worked on Projects and Activities like - Database upgrade, Migration, Data Load, Performance Tunning, SQL Server Cloud, 24X7 support, Disaster Recovery setups and testing, Configuring High Availability solutions like Data Gaurd, Standby Databases, Logshipping, Mirroring, Replication, RAC & SQL Clustering, Always on etc I am currently seeking opportunities to enhance my portfolio as a proven, reliable, independent DBA.

    $27.78 /hr
    3 hours
    5.00
  5. Ayo Akingbulu

    Ayo Akingbulu

    Oracle Applications/E-Business Suite DBA Consultant

    Nigeria - Last active: 1 month ago

    a passionate and self-motivated Oracle E-business suite professional who possesses the ability to work with minimum supervision and also has the ability to meet business objectives for quality solutions. My focus is to continue to build on a successful career as an Oracle Applications Database Consultant utilizing strong technical and communication skills I have gained from previous work experience, which will enable me to bring immediate practical benefit to an employer. I am a team player and possess the self-discipline to meet deadlines and develop detailed technical specifications for client requirements. SKILLS: Programming: C, Java, Python, MATLAB, JavaScript, Oracle SQL, PL/SQL. Application Packages: Eclipse IDE, Visual Studio, Microsoft Office Packages – Word, PowerPoint, Excel, Toad for Oracle, PL/SQL Developer, Oracle JDeveloper, Oracle Workflow builder, Oracle Developer Suite. Database/Server Packages: Oracle 9i/10g/11g Database, Linux, HP-Unix (HP-UX 11.23 and HP-UX 11.31), Oracle Solaris for SPARC Super Cluster, Windows Server 2008. Microsoft Operating System Software Installation and maintenance for Windows XP and Windows 7. Oracle ERP - HRMS (Human Resource Management System) , Financials and CRM Techno-Functional Support Skills. Good working knowledge of Oracle Business intelligence and weblogic server administration. Good Knowledge and Support of Oracle SOA Administration and OA Framework development. Expert knowledge and Administration of Oracle E-business Suite Release 11 and 12 on RAC. Expert Knowledge on High-availability RAC/RMAN/Dataguard. Knowledge of OEM, Diagnostic, Tuning, Configuration and Change Management Packs. Strong knowledge and usage of RMAN, Data Pump, Oracle Enterprise Manager and Data Guard, HP SAN(Storage Area Network), HP Data Protector and Replication Service Manager. PROJECTS: Oracle ERP Migration Projects Oracle E-business Suite R12 Upgrade Project Treasury project - Oracle EBS Installation and configuration Oracle E-business Suite Platform Migration Project Oracle ERP implementation projects( Phase 1 and Phase 2) Activities: Oracle E-business suite Release 11i and 12 and Database Monitoring and Performance tuning to ensure peak performance. Installation and Upgrade of application, database and security patches for Oracle Applications Release 11i and 12 and Oracle 10g and 11g databases. Administration and support for oracle IDM database for identity management project. 24/7 technical support for oracle ERP development teams. Installation of Oracle Applications release 12 on Red-hat Linux and Solaris Operating systems. Implementation of RAC 11.2.0.3 and configuration of clusterware, grid and replication. Provide detailed capacity planning for the Oracle ERP Infrastructure. Daily Monitoring and Administration for all Oracle Applications systems. Month-end cloning activities for Oracle E-business suite release 11i and the Oracle 10g database. General Administration and support for contact call center agents on the Oracle CRM application. Generation of daily, weekly and monthly reports for business users and management using Oracle SQL, Oracle Business Intelligence discoverer. Implementation of Oracle Alerts for different business processes across several modules. Development of workflows for business processes across several modules. Daily health check of production EBS to address many instability and performance issues and documented findings and implement recommendations. Daily Administration for Oracle E-business suite 11i and 12 Production, Development and Test environments. Customization and Personalization of Oracle self-service applications. Migration and creation of database objects for custom applications (forms and OA Framework). Daily support for Oracle learning content server. Implementation of Secure Shell Layer for Oracle Applications. Ensured regular and meaningful communication is maintained with the customer when dealing with a fault or issue. Ensured compliance to business rules and make sure service level agreements are met. Oracle Application tuning, Concurrent manager load-balancing, Failover, Shared APPL_TOP configuration for best performance. Identify User Requirements and create, modify or adapt designs accordingly. Liaise with Application and hardware vendors through meetings to review, investigate and provide solutions to issues relating to the Oracle ERP system. Provide support and advice to the End User and Systems Administration team in relation to system capabilities and processes. Working with team in the impact analysis and implementation planning of Enterprise resource applications and infrastructure. EDUCATION: Loughborough University, Loughborough, Leicestershire, United Kingdom (October 2011-September 2012) Internet Computing and Network Security, MSc Babcock University, Ilishan-Remo, Ogun state, Nigeria (2002-2006) Computer Science(Information Systems), BSc

    $50.00 /hr
    0 hours
    0.00
  6. ASHU ANAND

    ASHU ANAND

    Oracle APPS/PLSQL Consultant with Management Skills

    India - Last active: 03/21/2014 - Tests: 2

    Hi, I'm Ashu, a Oracle Consultant based in India mostly working on Oracle APPS (Ebusiness Suite), PLSQL, unix, APEX in an agile manner. Several applications that I architected, implemented and maintain are in active production use. I have overall 7+ years of experience and have worked around the world.

    $13.33 /hr
    0 hours
    5.00
  7. Inmaculada Pizarro Moreno

    Inmaculada Pizarro Moreno

    Inmaculada Pizarro Moreno

    Spain - Last active: 10/06/2014 - Tests: 3

    I am a very skilled and competent professional who has specialised in Oracle Database Administration for the last 6 years in the Spanish Public Administration. However, I have also worked as International Assistant in the Food and Agriculture Organisation of the UN in Rome for 10 years and as an Oracle DBA and System Administration for the European Commission for 6 years. These former positions provided me with the ability to work in International and multicultural environments. I have very good organizational skills and I am a quite self-motivated person who would enjoy working online for companies all over the world. I have been appointed on several occasions as responsible for organizing systems migrations, such as the email system migration, from sendmail email to MS Exchange, the migration from Windows NT to Active Directory or several Oracle Databases migrations. My main skills at present regard databases administration. Not only on Oracle, but I have experience as well on Mysql, Postgres or Sql Server, leaning often for everyday tasks on my knowledge in Linux/Windows administration as well as backup servers or domain servers administration, bash scripting, SQL or PL/SQL programming. I can effectively work and communicate in English, French, Italian and Spanish.

    $22.22 /hr
    0 hours
    0.00
  8. Hien Nguyen

    Hien Nguyen

    Expert Oracle E-Business Suite DBA with RAC experience

    United States - Last active: 06/19/2014 - Tests: 1

    Talented and accomplished Oracle Professional with proven ability to successfully implement multiple projects for RAC enabling EBS and Peoplesoft applications. Experience with multi platform High Availability Solutions and complex multiple-node RAC 11g, 10g, and 9i implementations on Linux, Solaris, and HP. Hien has experience in deploying disaster recovery solutions with standby databases compliant to Oracle MAA. Hien has been engaged to perform end to end performance tuning, architected High Availability and Disaster Recovery solutions. Hien has provided professional services to many US Federal Government Department including Department of State, Department of Energy and Department of Defense, Manufacturing, in addition to Health Care and Social Media firms. Hien has in-depth knowledge of Oracle Applications technology stacks, including architecture, installation, configuration, maintenance, cloning and patching procedures.

    $50.00 /hr
    0 hours
    0.00
  9. Tomas Solar

    Tomas Solar

    Oracle database Specialist

    Czech Republic - Last active: 10/22/2014

    A conscientious and hard working Senior Oracle DBA (ACE, OCP) with extensive experience of Oracle 9i/11g including architecture, utilities and languages and Oracle E-Business suite. Fully familiar with Linux, Unix and Windows and production/development environments. Strong DBA, design and troubleshooting skills covering design, programming, testing, performance optimisation/ tuning, project management, client support and consultancy. Able to use own initiative and work under intense pressure as part of a team to achieve strict deadlines. Second part of my professional work is teaching. I am Oracle approved trainer and I teach Oracle database administration classes in the biggest computer training centre in the Czech Republic. I also wrote a book for Oracle DBA's on czech market "Oracle 11g - Hotova reseni".

    Groups: Oracle Certified Experts

    $55.56 /hr
    0 hours
    0.00