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.

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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, 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. Irene Valerio

    Irene Valerio

    Spanish/English Translator, Statistician

    United States - Last active: 03/06/2012 - Tests: 8

    1) Experienced Spanish/English translator, efficient, creative and talented. Native speaker born and raised in Latin America. I have worked in translation and simultaneous interpretation for over 13 years both in Latin America and the US. Extensive translation work in diverse fields and formats such as full length books, scholarly articles, legal documents, technical and business, workshops and lectures. Also available for editing, proof reading or technical writing work. 2) Applied statistician by training (Master's degree), able to perform complex and insight generating analysis as well as create user-friendly, easily communicable reports and presentations of results. Experience with medical and insurance data Numerous respectable references in both fields available upon request

    $55.56 /hr
    0 hours
    4.78
  2. 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
  3. Serra E.

    Serra E.

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

    Turkey - Last active: 4 days 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
    1,938 hours
    4.99
  4. Prabhu Shankar Lakshmanan

    Prabhu Shankar Lakshmanan

    Data Entry, Data Conversion, Web Research, Amazon Listing

    India - Last active: 14 hours ago - Tests: 9

    2600+ hours of odesk experience * I have 4 years experience as Data Entry, Data Conversion and Web Researcher with strong Internet Research capabilities. * I am good in Microsoft Word and Excel. I am fluent in written and spoken English. I always put passion towards work, always aim to get the job well done and exceeds expectation. These qualities coupled with my experience and educational background makes me a good choice for any employer that will choose to hire me. My Skills + Finding products to be sold on amazon [based on ROI, Category] + Amazon product listing, managing sales through amazon seller central [listing, communicating the daily sales, confirming shipment, return refunds] + General Research (Address of companies, Email, Website, Contact Number, CEO, CEO's Email) + Research on Tourism (Places of Interest, Cheap Hotels, Cheap Car Rentals) + Web Search for Movies Screenplay, Reviews (Web Scraping, PDF Conversion) + Data Entry, Data conversion - MS-Word, MS-Excel

    $4.44 /hr
    2,612 hours
    5.00
  5. Mohamed M.

    Mohamed M. Agency Contractor

    Web developer PHP, MySQL, HTML5, CSS - Arabic/English Translator

    Egypt - Last active: 1 month ago - Tests: 8 - Portfolio: 4

    I am a web developer who has been, over the last 4 years, in the web development field. Developing web applications in PHP, with the use of MySQL databases. I have lots of hours coding HTML/DHTML with CSS. Which all I have mastered. I have recently worked with CodeIgniter framework for PHP. I can also provide testing for PHP-coded web applications against security vulnerabilities, such as: Cross Site Scripting, SQL Injection, CSRF/XSRF (cross-site request forgery), CRLF. With the enough skill to make the application invulnerable to those exploits. I am an Egyptian; native Arabic speaker. And have good experience translating from English to Arabic. I also have good knowledge of C++, as well as Python.

    Associated with: CodeGear, GS Systems

    $33.33 /hr
    24 hours
    4.85
  6. Héctor fernando L.

    Héctor fernando L.

    Mexico - Last active: 4 months ago - Tests: 6

    Experience with Linux application servers sepeciffically JBoss and Tomcat under a RHEL environment. Management of great loads of data using Talend Open Studio and developement of specific tools with java. Bash scripting to automate certain repetitve tasks such as keep alive web applications, file organization, server manteinance,etc. TOEIC Score: 955 points.

    $30.00 /hr
    28 hours
    5.00
  7. Atid Gharbi

    Atid Gharbi

    Freelance Programmer: Java, PHP, HTML, JavaScript, CSS, PL/SQL, Prolog

    Tunisia - Last active: 04/17/2012 - Tests: 7 - Portfolio: 6

    Hi, I'm Atid Gharbi and I have a licence degree and a masters degree in computer engineering. Over the last 4 years, I have developed a number of Desktop Applications using mainly Java and MySQL, I also worked on a few Web Applications using J2EE, PHP, HTML and CSS. Some of those applications were personal projects and others where for other people. My main field of expertise is Java and PHP programming, but I also have some experience in the following areas: SQL, PL/SQL, OOP modeling and Prolog. I'm fluent in English, Frensh and Arabic (written and verbal). I'm available more then 40 hour per week, I hope you contact me

    $11.11 /hr
    17 hours
    5.00
  8. Yvette S.

    Yvette S.

    Data Processing Specialist

    United States - Last active: 5 days ago - Tests: 7

    During the past 15 years I have worked as an independent freelance professional contractor, completing projects in a range of various skill sets. Most of my completed assignments include DBA, Data Migration, Data Mining, Data Entry, Word Processing, Desktop Publishing tasks.

    $6.11 /hr
    1,002 hours
    4.60
  9. Pieter Kruger

    Pieter Kruger

    South Africa - Last active: 4 months ago - Tests: 3

    I am a Systems Specialist in the Software Development department at Online Intelligence Pty (Ltd) in Pretoria, South Africa. I hold a BSc degree in Computer Systems and along with various other diplomas and certificates. Throughout my career I have acquired experience in the food and beverage-, tourism-, real estate-, arts-, banking- and IT-support-industries. I enjoy challenging myself in order to improve my skills and abilities.

    $8.89 /hr
    0 hours
    5.00