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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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On average, 355 SQL projects are completed every quarter on Upwork.


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Time needed to complete a SQL project on Upwork.

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Last updated: October 1, 2015
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Ivan N.

Ivan N.

SAP-ABAP, C#, SQL Developer

Moldova - Tests: 3

My core competency and objective is to get one of the following C/C++, C#, SQL or SAP-ABAP jobs: The responsibilities would be: 1) Maintenance of existing software: * design and develop new features; * find, analyze and fix all bugs; * technical documentation. 2) Software development: * participate as a team member in work; * analyze and define requirements; * design, code and test entire software; * design, code and test modules assigned to me; * technical documentation. Over the last 5 years I have developed a lot of ABAP applications for start up companies and for the big ones. My competency lies in complete software development and its thorough testing. I have developed a lot of applications for insurance companies and retail companies. The main responsibilities during my career were: 1. Creating / modifying reports using simple listing, ALV Grid, ALV Tree 2. Creating / modifying / testing custom applications 3. Creating/modifying Smart Forms, SAP Scripts 4. Extracting programs (creating files and simple listing reports with the data extracted both on local & application server) 5. Defining and maintaining data types, domains, database structures, database tables, maintenance & cluster views 6. Interfaces for major data transfer using Batch Input/Call Transactions, BAPIs 7. Defining and Calling Screens/Selection Screens 8. Creating Search Helps, Search Help Exits 9. Creating / modifying ABAP Queries 10. Working with ABAP objects. Creating/modifying ABAP classes/interfaces 11. Creating/Modifying Function Modules, RFC functions, Update Functions 12. Creating/Implementing/Modifying User Exits, BADIs 13. Creating/Calling Web Services. Use SAP Web Application Server as a provider and as a consumer 14. XML->SAP & SAP->XML transformations I also have experience in SQL, C#, C++, software design and testing.

$17.78 /hr
49 hours

Jesus Guevara

Jesus Guevara

Sr IT Consultant / Sr Project Manager / Sr Software Developer

Puerto Rico - Tests: 2

I represent a group of 21 engineers, project managers and systems specialists dedicated to: - Providing development and support of custom applications to meet each organization needs and requirements - Providing Project Management support services to our clients to help them meet their goals and expectations - Providing Quality Business, IT and Project Management educational services We understand the needs of our customers to get integrated solutions instead of isolated fixes. To that extent we have assembled a knowledgeable team of professionals that allows our company to provide our customers with services that are characterized by the integration of: - Technology systems architecture, development and implementation expertise - Process management methods and tools to build work disciplines and optimize the utilization of resources; and - Project management disciplines to ensure project objectives stay in focus Our vision is to provide solutions to organizations where using investments in information systems it is efficiently accomplished leading the organization to a next level Methodologies we use: - Agile Software Development - Project Management Framework - Software Development Life Cycle Development tools - Visual Studio .Net , PHP, JBuilder, NetBeans - MicroFocus Cobol, MQ Series, JCL - Crystal Reports/MS Reporting Services Project Management tools - Daptiv, MS Project/Project Server, eProject Database Systems - SQL Server, Oracle, DB2, MySQL, PosgreSQL

$25.00 /hr
0 hours

Sergey Konakov

Sergey Konakov

Software developer, architect, consultant

Armenia - Portfolio: 4

Full experience in IT is 18 years, 14 of them in programming, mostly in Microsoft's .NET environment. Have done development at any layer of programming: front-end (web site UI / HTML, CSS, JavaScript, jQuery/, desktop applications UI, client side application structure development etc.), back-end (server side services /Web services, .NET Remoting, WCF/, SQL server development /db structure, tables, relations, stored procedures, views, triggers etc./), own distributed servers development (distributed cache management, socket level communication with own protocol). Last two of my positions I have started in small start-up companies, at the last one as the main leading specialist, and both of them have grown up to large business. So I am pushing forward, reliable and stable specialist.

$33.33 /hr
0 hours

Saleem H.

Saleem H.

MCTS (C#, WPF, MVVM, MVC, ASP .Net, SQL Server, IOS, Android, WCF)

Pakistan - Tests: 3 - Portfolio: 3

Over 10 years of experience in software design and development for windows and web based applications. Looking forward to be recognized as great provider in ODesk communitiy. In the past, I have worked on tools and technologies like VB.NET, C#, ASP.NET, IPhone, Android, PhoneGap, MS SQL Server, WCF, Web Services, MVC, Java Script, ExtJS, AJAX, Entity Framework, Code Smith, NHibernate, TFS and SVN.

100% Job Success
$12.26 /hr
2,916 hours

Shibly K.

Shibly K.

PHP / C# / MySql / MSSql / Yii / Yii2 / CodeIgniter

Bangladesh - Tests: 6 - Portfolio: 10

Web Development || Custom Web Application || Mobile Web Application || Software Development || Database Administration || CSS Validation || HTML Validation || Scraping I will provide best service within deadline. I believe in long term relationship. If my work satisfied you definitely you will give me more projects in future. I want to increase knowledge, get customer satisfaction and take the challenge. Web Development * PHP5 * ASP.NET * HTML5 * CSS3 * JavaScript * jQuery Responsive Web Development jQuery Mobile Web Development PHP Framework: * Yii * CodeIgniter Desktop Environment * C# * VB6 Database * MySql * MSSql * SQLite

100% Job Success
$20.00 /hr
1,143 hours

John B.

John B.

Expert LAMP admin, focus on Python and Flask

United States - Tests: 3 - Portfolio: 2

Stanford grad w/ Masters of Information Science (UIUC) and 9+ years building whiz-bang websites, analyzing the heck out of some data, fixing what's broken, and making things that don't break in the first place. Talents: Python (esp. Flask, Django, and SciPy/NumPy), front-end stack [(X|HTML|5), CSS3, javascript (jQuery, backbone, etc.)]; server setup and administration; redis, SQL, mongo; solid understanding of what a user looks for when they look for information, and how to get it to them. Robust support for data management throughout its lifecycle of interest. I can also churn out written content pretty fast, if that's something you need.

67% Job Success
$45.00 /hr
174 hours

Andres Vergara

Andres Vergara

Software Engineer + Expert Developer [English-Spanish]

Colombia - Tests: 6 - Portfolio: 14

I'm software engineer/developer. I have around 5 years of experience in the area, managing IT projects and developing a wide range and variety of applications, including: web portals, information systems and other custom solutions as scripts & templates. In this way I have worked with a variety of technologies & platforms at the back, middle and front end such as: Java, JEE, Spring, PHP, Zend Framework, CSS, HTML, JavaScript, JQuery, Ajax, Flash + Action Script SQL, PLSQL, Oracle, MySQL, Postgres SQL, SQL Server. I also have experience developing for Moodle LMS and apps for Android devices & tablets. I am seeking to build opportunities for you and your business. Thanks & regards

$15.60 /hr
1,370 hours

Alex Belozerov

Alex Belozerov Agency Contractor

4500+ h on UpWork, 7+ years NodeJS, JavaScript, Chrome Dev, PM

Russia - Tests: 6 - Portfolio: 7

I am technical specialist and manager of the team of developers. I will be glad to improve customers business with providing top quality development services, always develop projects till successful completion. My core competency is full cycle of web projects management and development up to enterprise level. Interested in long term relations. Current area of expertise: 1) Chrome Extensions, Firefox Addons 2) NodeJS / CouchDB, MongoDB 3) React / Flux Previous experience: .NET, C#, ASP.NET MVC, SQL Server KEYWORDS: Project management skills, Leadership skills, Project analysis, Project estimation, Business process analysis, Architect skills, Mathematical and science analysis skills, Design Patterns, OOP, Agile, Javascript, Chrome Extensions, Chrome Apps, NodeJS, ExpressJS, Kue, RabbitMQ, Mandrill, CouchDB, Cloudant, HTML5, CSS3, React, Flux, Google App Script, Pebble SDK

Associated with: Rendered Source Agency, Rendered Source RU

100% Job Success
$45.00 /hr
4,659 hours