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SQL (Structured Query Language) is a database computer language designed for accessing and manipulating databases in relational database management systems. On Upwork, the world’s largest online workplace, companies hire SQL developers to successfully complete jobs including providing support, troubleshooting and setting up/ managing databases.

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SQL Job Cost Overview

Typical total cost of Upwork SQL projects based on completed and fixed-price jobs.

Upwork SQL Jobs Completed Quarterly

On average, 369 SQL projects are completed every quarter on Upwork.

369

Time to Complete Upwork SQL Jobs

Time needed to complete a SQL project on Upwork.

Average SQL Freelancer Feedback Score

SQL Upwork freelancers typically receive a client rating of 4.67.

4.67
Last updated: September 1, 2015
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  1. Denis C.

    Denis C.

    Expert System Engineer

    Moldova - Tests: 9

    PROFILE – A self-motivated and committed system administrator with exposure to a wide range of technical areas, focused on delivering best experience to the end-users – Nine years of experience in administering business–critical application stacks such as banking software, middle-ware, billing systems, Telecom-specific applications; troubleshooting complex issues, managing both production environments and databases of highly respected companies – Performed upgrades planning, software developing and documenting the knowledge – Highly adaptable and quick to learn new skills – Six years of customer service experience MAIN TECHNICAL SKILLS O/S: HP-UX, SunOS, AIX, RedHat, CentOS, Debian – installation/configuration Software: MySql Server – installation/configuration Apache Web Server – installation/configuration Nginx – installation/configuration Apache Tomcat – installation/configuration Redhat JBoss Application Server – maintenance Oracle WebLogic Application Server – maintenance Oracle Tuxedo – maintenance Oracle Database – maintenance CVS – codebase maintenance HP Quality Centre – configuration/maintenance SSH Server – installation/configuration Telecom–specific Billing Applications (Amdocs Ensemble, Oracle BRM) – maintenance Oracle VM VirtualBox – installation/configuration Languages: Python – 1.5 years Perl – 3 years AWK – 4 years Shell Scripting – 5 years SQL (mysql and Oracle) – 4 years Java – 0.5 years PROFESSIONAL EXPERIENCE – Billing System Engineer, Team Lead (3 persons in submission): 2010 - 2013 – Software Developer: 2008 – 2010 – Senior System Engineer: 2003 – 2008

    $16.67 /hr
    0 hours
    0.00
  2. Patryk Abramczyk

    Computer Science Student

    Poland - Tests: 1

    Young student with bright mind who wants to face a new challenges in his life. I’m a confident person, and I would like to reach new skills and abilities. During my studies I took part in a couple of programming projects and now I would like to try some “real” work. I love learning. I went to best faculty in Warsaw University of Technology and have passed all subjects with good marks. I’m an outstanding student, with not only technical skills, but also creative mind and rich personality. I work really well with other people, or for my own also, because I don’t get frustrated easily, don’t ask questions that can be googled, and listen really well. I prefer to work with Java(Desktop,Android, Web) and C#, but I also know C/C++, HTML, CSS and SQL.

    $18.90 /hr
    0 hours
    0.00
  3. Naresh Holla

    Naresh Holla

    Expert Designer Developer

    India - Tests: 3

    I have total of 11 + years of experience in development of software. My core compentencies are in the windows application development using VC++ both 6.0 and VC++ 10, C# .net winforms in VS 2008, VB 6.0. This involves design and development of DLLs, EXEs, COM DLLs, ActiveX Controls and so. I have used SQL server extensively and wellversed in the development of stored procedures triggers, creating tables and views and several other DB operations. Also, I have a short development experience in ASP and an application hosted on IIS 6.0. In short I have the working knowledge of variety of window technologies and organizing and deploying them in different environments. Along with these experiences, I have acquired, quality assurance experience in which I was involved in entire life cycle product development as SQA associate about an year. This experience showed the insight from beggining of development, until the end of the release, going through conducting reviews at each stage of the release, verifying and certifying the deliverables with CMM maturity standards that organization set and at the end releasing the Project. At present, since 3 years, I am involved the product development and maintainance in my present company where we take care of entire bug fixing, enhancement, multiple integration with peer products and their maintainance, client interaction and differenent stake holders interaction and so on.

    $33.33 /hr
    453 hours
    5.00
  4. Elizabeth Romero

    Elizabeth Romero

    Systems Engineer - Software Developer

    Colombia - Tests: 5 - Portfolio: 1

    Software developer with 5+ years of experience in analysis, design and development web aplications. Expert in developing web applications, windows services and web services in Microsoft Visual Studio 2012 using C# .Net, Framework 4.5 and SQL Server. - Proficient in Web Services, SOAP, XML, XSL, XSLT, CSS, HTML, AJAX and JavaScript. - Extensive experience in SQL Server Database design, Database maintenance, developing Transact-SQL Statements, stored procedures, using SQL Server 2008. - Experience using MS SQL Server Integration Services (SSIS) - Solid experience with Application Servers / Web containers such as: JBoss - - Server, Glassfish Server, IBM WAS, Apache Tomcat and Jetty. - Experience with Unix-like (Linux, UNIX, Solaris and AIX-IBM) and Windows-x. - Good working knowledge in UML, Design Patterns, MVC (Model-View Controller), Web-Services. - SOAP, XML, XSD and WSDL - Functional domain experience involves logistic, transport, import and export merchandise.

    $19.00 /hr
    2,963 hours
    5.00
  5. Pravesh K.

    Desktop App, VB.NET, C#, VB6.0, VBA, SQL, WCF, Serial Port, Socket

    India - Tests: 7 - Portfolio: 13

    I have 7+ years of experience in software development, design, maintenance and support . Pimary Skills: VB.Net, C#, VB6,VBA, Winform, ASP.Net, ADO.Net, Database(MS sql server 2000/2005/2008, MS Access, MS-SQL), API, COM, DCOM, socket programming, serial port(RS232, RS422, RS485), Barcode, image processing/graphics, TCP/IP, HTTP, FTP, FXP, Printer automation. Additional Specialization : - Sql programming. - Serial port(RS232, RS422, RS485) - Socket (TCP/IP, UDP), Client Server. - FTP automation. - Algorithm design, statistical analysis, mathematics analysis. I have a good experience in software automation, Industrial applications, serial port applications, networking, TCP/UDP client/server applications. I have a good experience in hardware handled projects, Arduino boards, RF devices, GSM modem, video server. I am hard worker and quick learner software engineer.

    $11.11 /hr
    97 hours
    4.65
  6. Muhammad Kamran

    Sharepoint/C#/VB.NET/ASP.NET MVC/Magento Developer

    Pakistan - Tests: 2 - Portfolio: 10

    • Senior Software Engineer with 9+ years of experience in design, development and delivery of innovative and scalable Microsoft centric web solutions. • Extensive experience of developing web based enterprise applications using ASP.NET Webforms, ASP.NET MVC, AJAX, Javascript, JQuery, HTML, CSS, XML and SQL Server. • Over 3+ years of Experience in Installing, Configuring, Administrating, Maintaining and Troubleshooting Microsoft Office SharePoint Server (MOSS) 2007. • Extensive experience of developing multithreaded middleware components. • Extensive experience in Developing and building WebParts using SharePoint object model. Highly skilled with object oriented design patterns and architectures. • Strong knowledge of Microsoft technologies including MOSS 2007, .NET, AJAX, ASP.NET Webforms, ASP.NET MVC, WCF, Entity Framework and SQLSever. • With over 5 years of working with U.S based clients, successfully delivered 10+ ASP.NET web applications including a product platform for an on-demand software company. • Worked through all the phases of Software Development Life Cycle (SDLC) including Requirements Gathering, Analysis, Design, Development, Testing, Production and Post-production Support. • More than 3 years of experience in developing custom extensions for Magento Commerece.

    Groups: Microsoft Certified Professionals

    $16.67 /hr
    1,768 hours
    5.00
  7. Denis Yatsenko

    Denis Yatsenko

    Oracle Advanced PL/SQL Developer Certified, OEBS,SQL, APEX,

    Poland - Tests: 5 - Portfolio: 1

    Oracle PL/SQL Oracle E-Business Suite R11, R12 development & implementation Oracle application framework (OAF) Java, JDeveloper Oracle Reports, Oracle Forms (creating and customization) Oracle workflow builder BI Publisher sh scripts BI Business Objects StimulSoft Data conversion Oracle application express (APEX) VBA sqlloader, SQL TOAD, SVN, redmine, jira

    $33.33 /hr
    69 hours
    5.00
  8. Sergey Smirnov

    Sergey Smirnov

    Python developer

    Ukraine - Tests: 2

    Working in a few companies for a few years at the same time. Finished more than 10 big projects for 5 years. Strong SQL, Python knowledge.

    $12.00 /hr
    29 hours
    5.00
  9. Deepali J.

    Deepali J.

    Mobile App Developer Expert

    India - Tests: 1

    I have 4+ years of experience in both web and mobile software development and Oracle HRMS functional consultant. Expertise in software development, as technical team leader and project management. I have extensive experience in Social Networks, Minimum Viable Products, prototypes and start-ups. Excels in the following areas: - Mobile Development (iOS, Objective-C, Android, Android SDK, PhoneGap, Adobe Air, HTML5, Xcode, Titanium/Appcelerator) - Web Development (HTML5, CSS3), Wordpress, Joomla, Flash - MAC Plugins Development - MAC Applications - Server-side applications development - Database(SQLServer, MySQL, SQLite) - Web Development(ASP.NET, PHP, RESTful APIs, JavaScript, AJAX ) - Web Services (PARSE, Restler, Cake php, CodeIgniter) - XML, JSON - Trello, Basecamp, JIRA, ACTIVECOLLAB, SifterApp - SVN, Github, BitBucket - Oracle EBS HRMS & Payroll functional consultant

    $22.22 /hr
    340 hours
    0.00
  10. Amar Chakraborty

    Amar Chakraborty

    Oracle E-business R11i and R12 Technical Consultant

    United Kingdom - Tests: 2

    • 12+ years of experience in Oracle E-business suite R11i and R12 Implementation, Development, Maintenance, Testing and Support Role. • Strong experience in Analyzing & Documentation Processes, User Requirement Analysis, GAP Analysis, Functional Documents using Oracle AIM methodology and Work instructions. • Excellent communication and Client management skills. • Exposure in various countries and gain strong exposure and confidence working with multi culture environment. • Exposure to Banking, Manufacturing, Service and Government vertical sectors. • Working knowledge of ITIL Service Delivery Model, incident/problem and change management process and procedures. • Good hands on experience in Oracle Discoverer 4i/9i Administrative Edition and Discoverer Plus and Viewer, configuring discoverer and End User Layer (EUL). • HRMS , SSHR, Payroll , I Recruitment, Oracle Learning Management, Oracle Time and Labour, Oracle Absence Management, Financial (GL/AP/CM), Purchase Order (PO), Fixed Assets (FA). • Forms 6i, OA Framework, Workflow, Jdeveloper 10g • Reports 6i, Discoverer 4i/9i , XML / BI Publisher, Oracle Discoverer

    $45.00 /hr
    0 hours
    0.00