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Find the World's Best SQL Freelancers

Upwork is the leading online workplace, home to thousands of top-rated freelancers. It’s simple to post your job and get personalized bids, or browse Upwork for amazing talent ready to work on your SQL project today.

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Anton H. - Android Expert

Anton H.

Android Expert

60 hours
“Anton is a very talented and hard-working developer. This project was quite complex, and had a very tight deadline. While other freelancers told us it'll take at least 2-3 weeks,...”
  • Android App Development
Aleksandra T. - Experienced QA Engineer/Software Tester

Aleksandra T.

Experienced QA Engineer/Software Tester

1,166 hours
“Thanks alot, great hard worker”
  • Software QA Testing
  • SQL
Pavel D. - C++/C# Developer

Pavel D.

C++/C# Developer

87 hours
“Great work ethic.”
  • C#
  • C++
  • JavaScript
  • SQL
Kostiantyn K. - Software QA Engineer

Kostiantyn K.

Software QA Engineer

4,082 hours
“Good job testing. Thanks!”
  • Software QA Testing
  • Java
Timofey P. - Full stack .Net developer

Timofey P.

Full stack .Net developer

61 hours
“Tim was great to work with again. He fixed our SQL report builder issues quickly. His experience shows through his work. He isn't guessing and trying different things to see if...”
  • .NET Framework
  • C#
  • VB.NET
  • SQL
Abdul W. - React Flux Developer and Scraping Expert

Abdul W.

React Flux Developer and Scraping Expert

276 hours
“great guy, very professional!”
  • Python
  • Scrapy
  • Web scraping
Yevhenii Z. - Senior Android Developer

Yevhenii Z.

Senior Android Developer

251 hours
“As always Yevhenii is an absolute pleasure to work with. Never fails to meet and exceed deadlines.”
  • Android
  • Java
  • SQL
  • REST
Geoff H. - Experienced iPhone/iPad/Watch Developer

Geoff H.

Experienced iPhone/iPad/Watch Developer

1,615 hours
United Kingdom
“Geoff was able to draw on his strong specialist knowledge of iOS app development to quickly get to grips with the Apple Watch developer guidelines and create an extension of our...”
  • Objective-C
  • C
  • C++
  • SQL
  • Perl
Tomasz D. - Senior Java Developer

Tomasz D.

Senior Java Developer

525 hours
“I asked Tomasz to join an ongoing project for total less than 20 hours left until finishing. He easily adapted and understood the requirements and asked the right questions about...”
  • Java
  • Spring Framework
  • SQL
Konstantin L. - QA/TA Engineer (StrongQA)

Konstantin L.

QA/TA Engineer (StrongQA)

1,449 hours
“Konstantin is a talented tester and automation engineer. He did a great job writing test cases and automating them quickly. Great job!”
  • Ruby
  • Software Testing
  • CSS
Guilherme D. - Senior QA Analyst

Guilherme D.

Senior QA Analyst

1,239 hours
“Guilherme was very helpful throughout the duration of his contract. He reported updates regularly, asked questions when he had them, and was always on schedule. We were very satisfied...”
  • Atlassian JIRA
  • SQL
  • UML
  • HTML5

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What our customers are saying

At A Glance: SQL

Structured Query Language, abbreviated as SQL, is a special-purpose programming language that is used for database management systems (RDBMS) as well as for streaming processes used in relational data stream management systems (RDSMS). To those who aren’t fluent in computer languages, what this means is that SQL developers can write a number of programs as well as functions and queries that utilize the data in a database. Among the tasks a developer can do are creating reports from the database and even collecting data for others to use.

There are free versions of this software available from both Microsoft and Oracle, to name a few. But to have a customized, specialty database for your business, hiring an SQL developer is the best option. You can collaborate with these freelancers on Upwork and find the most competitive and flexible talent available. Because the work is done online, there is also no concern about the physical location of the freelancer, meaning you can source the best talent from around the world.

Once you have the database in place, you will also need an SQL server consultant to ensure the server you have chosen to hold your information is fit for the purpose. Sometimes a developer can do both jobs, and sometimes you only need someone to check the server and systems. No matter how much or how little you need them to do, there will always be the perfect freelancer available for a competitive price.

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A Guide to Database Technology

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Important Things to Consider When Building an Email Program

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