SQL Database Administrators & Developers

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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.

Browse SQL job posts for project examples or post your job on Upwork for free!

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, 449 SQL projects are completed every quarter on Upwork.

449

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: May 1, 2015
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  1. Jesse Ratterree

    Jesse Ratterree

    Composer / MVC5 / PHP Symfony / SQL / AWS / .NET / NoSQL / C#

    United States - Last active: 2 days ago - Tests: 2 - Portfolio: 1

    I'm a composer and sound engineer with over 15 years experience playing in live bands and producing music for various projects. I have produced over 70 professional songs in 2014 alone. Just take a look at my feedback and you’ll quickly see why I’m one of the top 1% contractors on oDesk. I'm currently the 'go-to' audio guy for several developers who make iOS/Android games. I am one of the most affordable composers you will find. 

I'm also a full time freelancer. That means I'm not doing this on the side so you'll get the quickest turnaround imaginable. Published Games:

 Playground Wars – Glowdot Productions (music) iOS: https://itunes.apple.com/us/app/id658021920?mt=8 Android: https://play.google.com/store/apps/details?id=com.glowdot.PlaygroundWars Cognitile from Express Media (SFX / music / voice / levels)

iOS: 
https://itunes.apple.com/ie/app/cognitile/id583279641?mt=8&ign-mpt=uo=2 Android: https://play.google.com/store/apps/details?id=com.expressmedia.cognitile

 AquaDude from Vortex Gaming (SFX and Music) 
https://play.google.com/store/apps/details?id=com.vortexgaming.aquadude
https://itunes.apple.com/app/aquadude/id542501084


 RoboHero from BravadoWaffle (music/sfx)
 http://itunes.apple.com/us/app/robohero/id494449491?mt=8 (free download) 

WOMBI Detetcive from Wombi (music/sfx/voice talent)
Trailer: http://www.youtube.com/watch?v=PB3V48PkKSs&feature=plcp
 https://itunes.apple.com/app/id555605455

 https://play.google.com/store/apps/details?id=com.wombi.wombidetective World 1-1 from Headlights games (Music)
https://itunes.apple.com/US/app/id605385905?mt=8&ign-mpt=uo%3D4


 Melon Dash (unity/web game) (sfx)
http://www.melondash.net/Alpha/WebPlayer.html


 Fealty from Asmadi Studios (music only)
http://itunes.apple.com/us/app/fealty/id475252758?mt=8

 Swipa Dollar from Memfry Games (music/sfx)
https://itunes.apple.com/us/app/swipadollar/id555098379?mt=8


 Taking Shape from Darshin Studios (music/sfx)
http://itunes.apple.com/app/id540034505

 Diamond Gems from Balloon Island (music/sfx)
https://play.google.com/store/apps/details?id=com.balloonisland.diamondgems

 Fish It from Apptoyz (music) 
http://itunes.apple.com/us/app/apptoyz-fish-it/id543548989?mt=8

 Quiz App from Apptoyz (music/sfx)
http://itunes.apple.com/us/app/apptoyz-appquiz/id543869288?mt=8


 RhythmFourBeat from FourBeat (music/sfx)
http://camp-fire.jp/updates/view/1343

 SFX/Music Example: https://www.youtube.com/watch?v=XY2v154qVV8&feature=player_embedded




    $33.33 /hr
    2,967 hours
    5.00
  2. Sergiy R.

    Sergiy R.

    Linux System Administrator

    Ukraine - Last active: 2 days ago - Tests: 9

    I am an experienced System Administrator with a wide range of skills, including Linux servers administration, LAMP stack setup, OpenVZ and KVM virtualization, configuring services, working with version control systems and writing system maintenance scripts. I have a hands-on experience with Linux, including Ubuntu, CentOS, Red Hat, Gentoo and Debian distributions. I am able to code in OCaml, C, C++, Ruby (including Ruby on Rails), Bash/Zsh and read Java, Python, Haskell, Perl and Common Lisp programs. My most important virtues are: extreme responsibility, easy communication and attention to details.

    $40.00 /hr
    457 hours
    5.00
  3. Satish Shanmugam M K

    Satish Shanmugam M K Agency Contractor

    Database Solution Provider

    Germany - Last active: 4 days ago - Tests: 6

    Expertise in designing database solutions for standalone / high performance / data warehousing/ Highly available environments . Some of my skills includes OS : Linux (Ubuntu/CentOS/RedHat) , AIX 5.x,6.x,7.x , Windows Server RDBMS : DB2 for LUW , MySQL 5.x ,MariaDB 5.x,10.x , MS SQL Server Clusters : DB2 HADR, MySQL NDB Cluster ,MariaDB Galera NoSQL : Apache Cassandra Monitoring : Nagios I have provided various architectural level solutions and tuned performance issues to many , my solutions also involves end to end monitoring using Nagios . My key areas of interest is to solve performance issues , design highly scalable solutions and implement cost effectiveness to the end customer.

    Groups: TrueBLUE

    Associated with: Neoclix Lab

    $35.56 /hr
    60 hours
    5.00
  4. Alexander L.

    Alexander L.

    Java J2ee Master

    Ukraine - Last active: 11/27/2014 - Tests: 1 - Portfolio: 2

    With over 8 years of experience in IT, my goal is to build professional Java applications. My areas of expertise include a broad range of technical experience focused on software development and data design. In the last projects I've used Java-Swing, Applets, Java Processing 2.1, MT4j, JBoss 5.1, Oracle 9, YUI, Javascript, HTML, CSS, JDBC, EJB 2.1 and a lot of other libraries and technologies. Also I have some experience with Python.

    $150.00 /hr
    259 hours
    5.00
  5. Michail-georgios A.

    Michail-georgios A.

    iOS Developer

    Greece - Last active: 06/04/2014 - Tests: 2 - Portfolio: 4

    I am passionate about solving problems by writing robust software applications for the iOS platform. As an engineer I believe in clean code, written by following best practices. As a private contractor I value professionalism and integrity. Over the past years, I have been working with a wide range of frameworks including Apple's Core Data, Map Kit, Social, Event Kit, Message UI, Accounts, Address Book, Core Graphics, UIKit and 3rd party libraries such as AFNetworking, Parse SDK, StackMob SDK and many more. I really enjoy working with technologies such as Core Data, in a client-server architecture. I also have experience with the Ruby programming language, the Rails framework and the Sinatra DSL, where I can deliver full stack RESTful interfaces for your projects. I am seeking opportunities to build apps for the iPhone and the iPad from the ground up or to improve an existing project.

    $44.44 /hr
    0 hours
    5.00
  6. Daniel K.

    Daniel K.

    Data Analysis~Management~Customer Service

    United States - Last active: 09/10/2014 - Tests: 2

    I can streamline, improve and develop your Microsoft Excel and Microsoft Access workload. Skilled at creating Power Point presentations and SQL queries. My diverse background of Customer Service Management and Data Analysis Management has created and shaped my unique insight in to data usage and data gathering. I am passionate about data quality, insight and management. I believe in giving businesses optimized program flow, and access to customer insight information to maximize decision making. Unique and innovative views of data describe and forecast the strength of the customer experience. Analyzing transactional data is a fantastic tool to shape marketing efforts and organizational policies.

    $33.33 /hr
    0 hours
    5.00
  7. Alex Dowad

    Alex Dowad Agency Contractor

    Programmer

    Zambia - Last active: 01/13/2014 - Tests: 14 - Portfolio: 9

    I started programming at 10 years of age. Since then, I've learned more than 10 programming languages and written more programs than I can count, including desktop applications, web applications, games, utilities, and even some embedded systems (using C/assembly). Currently, my primary language is Ruby, but I'm also very familiar with Java, C, SQL (MySQL and Postgres dialects), Clojure, JavaScript, CoffeeScript, and Common Lisp. You can see some samples of my code at "http://www.github.com/alexdowad/showcase". You can also see programming-related questions which I have answered at "http://stackoverflow.com/users/960828/alex-d".

    Associated with: Nkalamu Logic

    $42.00 /hr
    817 hours
    4.94
  8. Muhriz Rashid

    Software Developer

    Sri Lanka - Last active: 18 days ago - Tests: 1 - Portfolio: 2

    Developer with proven experience in architecting and developing custom-made software applications (Visual Basic .NET / 6.0), Office add-ins (VSTO / VBA) and creating software installers. Recognized by employers as a personable, dedicated performer who demonstrates innovation, communication, and teamwork to ensure quality, timely project completion. Working full-time as freelancer. - Developing custom-made software applications - MS Office Macros (Windows and MAC) - Programming Add-ins and Plug-ins - Creating Installers for applications and scripts (including SQL server setup) - Upgrade /debug code

    $35.00 /hr
    16 hours
    5.00
  9. Praveen K.

    Praveen K.

    10+ years of experience in Qlikview,SSAS,SSRS and MDX

    India - Last active: 3 days ago - Tests: 1

    I am an Independent and Fast Learner with a professional experience of 10+ years of experience in Microsoft Technologies and QlikView which includes 7+ Years of Experience in Microsoft Business Intelligence (SQL, SSAS & SSRS) and 1.5 Year in SSIS and 3.5 Years into Powerful In-Memory data visualization tool Qlikview. In Past worked on Sharepoint and Performance Point Server. I have done many projects throughout my career which includes Development of SSAS Cube using multiple Facts and SSRS Reports and QlikView using SSAS Cube, MDX Queries and SQL. Have very good knowledge with Qlikview Visualizations,Cubes - SSAS,Reports - SSRS, Dashboards/Scorecards - Performance Point Services,Portal/Web Parts - Sharepoint Services. I believe in delivering high quality professional work. Hire me if you believe in quality. Looking forward to work with you. Many Thanks, Praveen in.linkedin.com/pub/praveen-kumar-konda/48/a8/191/

    $45.00 /hr
    10 hours
    5.00
  10. Serra E.

    Serra E.

    266 Jobs, 1938 Hours. TOP TURKISH Sworn Certified Translator in TURKEY

    Turkey - Last active: 16 hours ago - Tests: 13 - Portfolio: 31

    The most preferred "TOP RATED" TURKISH Sworn & Certified Translator at Upwork ! • 265 Jobs / Projects & 1938 Hours done at Upwork • Totally 426 jobs / projects 2150+ Hours completed in 4.5 years About my "Job Success" 93% -- this is because I used to end "open-left and inactive" jobs myself. This "success rate" term showed up here recently and I learned that this is something bad. • • PLEASE NOTE that TURKEY IS THE MOST EXPENSIVE COUNTRY IN THE WORLD • • Dear Sirs & Madams, With 10 years experience, I am the most preferred, the most working, the most qualified, and the most experienced NATIVE Turkish Translator, ( Sworn, Certified and Accredited ) at Upwork and some other websites. I hold a 4 year degree diploma on ELT English Language Teaching (& Literature) Some of My Clients: • Facebook • Coca-Cola USA • Pinterest • Yandex • Uber • Sony UK • Finish UK ...and 240+ others ! --> All are provable Freelance works with working links! No lies, no false & doubtful references! The Only Sworn, Accredited Certified Turkish Translator here ! -- I can provide wet signed, translation-custom stamped, official certification over the translation I do. Beside being a translator, I am a Proofreader / Linguist, and an Official English Teacher at Turkish State Schools The "Genuine" Translator with Sworn Translation Stamps who can Certify your official documents • The most experienced #1 by far, with 265 jobs & 1938+ hours! • The Only Turkish Contractor with 4.99 Rating score -- after 265 jobs done at Upwork! • Most Preferred - 265 jobs at Upwork, 432 jobs in Total, • Most Qualified - Holds a degree on "English Language and Literature" • Top-scorer in "English" Test Results among Turkish Contractors About Turkey & Turkish Language Market Prices: - - - - Turkey is the MOST EXPENSIVE COUNTRY in terms of benzine, diesel-fuel, electricity, nature-gas, and a few more sectors, and it has the HIGHEST TAX RATES in the world. I can send a PDF document with working web-links to prove this situation Plus, We are feeding 3 million Syrians in camps with our taxes Do not expect me to work for low rates of the Far-east, the Asia, the Africa and the Middle-east. D e t a i l e d . I n f o r m a t i o n: - - - - D i f f e r e n c e • Ranked # 1 among all Turkish Contractors as well as Turkish Translators • Lecturer at the Best University of Turkey -- Bogazici University • Professional Top Quality Work Performed in Office atmosphere • Working as a married couple of translators E d u c a t i o n • Graduate with honors from Reputable Turkish Universities • International English Teacher Certification • Both are State Universities -- not Private Universities C e r t i f i c a t i o n • Official Sworn Turkish Translator Certification by Turkish Government • International Pedagogic Formation Certification for English Teaching Q u a l i f i c a t i o n s . a t . o D e s k • 1st Place at "English Spelling Test (U.S. Version)" among ALL Upworkers • Top 10% at 7 "English" Tests • Top 20% at 2 "English" Tests • Top 30% at 3 "English" Tests • Best "English Language" Test Results among Turkish Upworkers A u t h e n t i c i t y • Id-verified by Upwork • Provable diplomas, certifications, accreditations E x p e r i e n c e • 9 Yrs of Professional Translation Experience ( part time, full time, owner of translation firm ) • Even translated the website of the University she graduated • 2+ Years of work as Official English Teacher at Turkish State Schools T a l e n t s / D i s t i n c t i v e . A b i l i t i e s • the Idealist Perfectionist -- used to be English Teacher at Turkish State Schools • # 1 Not only among Turkish Translators, but among all Turkish Contractors! • No Grammar mistakes/no typos: error-free translation! • (Unlike competitors) Doing her own business -- really graduated from that field! J o b - T y p e s • Translation, Proof-reading, Interpretation • Off-line or On Site / In Line / Web Translator • Turkish Localization Specialist / Expert • Video / Audio Transcriber • Web Research / Market Research • Warm Calls • Voice over Talent / Audio Record • Audio / Video Transcription • Phone Support / Customer Support S e c t o r s • Technical / Engineering • Legal / Contract / Notary Government Language • Us States' Federal Laws & Regulations • Medical / Medicine / Chemical / Biology • Turkish Ministry Laws & Regulations O t h e r • I am a Public Notary Accredited Sworn Translator working in Istanbul - Turkey • I was graduated with honors from an ELT department of a 4 year degree diploma program at a reputable Turkish university. • I am a Native Turk translator and lingust born and living in Turkiye / Turkei / Turquie / Tacchino / Turco • I am can translate from and into Turkce / Turkisch / Turque / Turca • I have and can use SDL Trados Studio with SDLX DTP Processing and other software like Wordfast, POedit, GlobalSight, etc. I can also use Transifex and Transcriber.

    $22.22 /hr
    1,939 hours
    4.99