Find Jobs
Hire Freelancers
Chat med AVA - Din AI-Virksomhedskonsulent
Brug Avatar.
Hej, jeg er Ava, din AI-guide til at sætte turbo på din forretning!
Uanset, om du allerede har en virksomhed eller drømmer om at starte en, er jeg her for at hjælpe dig med at gøre din vision til virkelighed med AI-drevne freelancere. Del dine forretningsmål, og så vil vi skabe et projekt sammen, som vores talentfulde freelancere kan byde på. Lad os gøre din vision til virkelighed!
Jeg har en virksomhed
Jeg er ved at starte en virksomhed
Noget gik galt, da vi prøvede at sende samtalen til din e-mail. Prøv venligst igen senere.
Du kan kun gemme din samtale én gang pr. time. Prøv venligst igen senere.
Din samtale er for kort. Bliv ved med at chatte med Ava for at kunne gemme.

Hyr de dygtigste
SQL Developers
til enhver opgave

Millioner af mennesker bruger Freelancer.com til at forvandle deres idéer til virkelighed.
Hyr en kvalificeret SQL Developer nu
Benyttet af førende mærker og startups
NASA IkonDeloitte IkonFacebook IkonAirbus ikonAmazon Ikon
Færdighed Ikon

Hvad er SQL?

SQL is a programming language that is mostly used for database management, but can also be used for other applications, such as application development.
Færdighed Beskrivelse Ikon

Ansæt SQL Developers

SQL developers can develop the kinds of tools to help you manage data in new ways that can end up helping your bottom line and keeping your clients and customers satisfied. Speak with one today at Freelancer.com

Ansæt SQL Developers

Avatarpreferred-freelancer-v2.svgverified-v2.svgannual-level-three.svg
Ivan V.
SQL Developer
$32 pr time
4,9 (3541 jobs)
Se profil
Avatarverified-v2.svg
Dream Dezine
SQL Developer
$25 pr time
4,9 (3112 jobs)
Se profil
Avatarpreferred-freelancer-v2.svgverified-v2.svg
Narola Infotech
SQL Developer
$15 pr time
4,6 (2002 jobs)
Se profil
Avatarpreferred-freelancer-v2.svgverified-v2.svg
DigitalArcanum
SQL Developer
$25 pr time
4,9 (1971 jobs)
Se profil
Avatar
Silvyster A.
SQL Developer
$30 pr time
4,9 (1932 jobs)
Se profil
Avatarpreferred-freelancer-v2.svg
Murat K.
SQL Developer
$45 pr time
5,0 (1712 jobs)
Se profil
Avatarpreferred-freelancer-v2.svgverified-v2.svgannual-level-four.svg
Imara Software Solutions
SQL Developer
$35 pr time
4,9 (1674 jobs)
Se profil
Avatarannual-level-three.svg
Tamilselvi V.
SQL Developer
$15 pr time
5,0 (1658 jobs)
Se profil
Se mere SQL Developers
Klienter bedømmer vores SQL Developers
4.86 ud af 5
af 345.414 bedømmelser

Hvordan hyrer man en dygtig freelancer SQL Developer

Structured query language, more widely recognized as SQL, is a special purpose programming language and a standard language for relational database management systems. SQL is effective in communicating with and managing data held in a relational database. A majority of database products available are based on SQL programming language, although customization of the standard language using proprietary extensions is common. Oracle, Sybase, Microsoft SQL Server, Access and many other leading databases use SQL.
SQL is primarily a declarative language, a non-imperative programming approach where appropriate results are identified as opposed to explicit commands that must be conducted. However, SQL does also include some procedural elements. SQL incorporates three different language varieties, data definition, data manipulation and data control all contribute to SQL outcomes.  
Donald D Chamberlin and Raymond F Boyce are credited with the development of SQL in the early 1970s. Experts in relational algebra and tuple relational calculus, the pair created the programming type to communicate with, retrieve and manipulate data from IBM's original database. They termed the language SEQUEL originally, referring to structured English query language, although a trademark conflict with a UK company saw it later changed to SQL.
Oracle, at the time named Relational Software, observed the concepts of Chamberlin and Boyce and saw a widespread application for the programming language. They developed their alternate version of SQL holding aspirations of securing business with US Government agencies. They began selling SQL RDBMS in June 1979.
The American National Standards Institute (ANSI) and International Organization for Standardisation (ISO) confirmed SQL as a standard in 1986 and 1987 respectively. Since then SQL has continued to evolve to include a larger set of features.
SQL programming language includes several language elements. Clauses are integral components of statements and queries. Expressions combine values operators and SQL functions. Predicates are used to limit the effect of statements and queries or change program flow. A query is an inquiry into the database using the SELECT statement. Statements control transactions, connections, sessions, perform diagnostics and more.
If you are searching for an SQL programmer qualified in computer science, management information systems or information science, or you require a professional employee adept at logical thinking, problem-solving, with a detail-oriented approach and strong programming skills, you should consider the services of a freelancer.
Freelancer.com is a crowdsourcing marketplace and home to thousands of computer programming specialists well versed in SQL programming language. Freelancer.com allows potential employers to post jobs or projects that freelancers can bid for selection. Freelancer is free to join, post a project and receive bids. Once you've posted a project, you'll receive bids within minutes. Employers can review a freelancer’s portfolio and discuss project requirements directly before making a decision on the perfect candidate. With over 19 million users, you'll be sure to find the perfect match for your project.
With Freelancer, you get access to the best talent from around the world, and at an affordable price too! Post a project today to find the perfect freelancer for your next SQL project. 
API upsell billede
Freelancer Enterprise

Virksomhedsbudget? Få mere gjort for mindre

Brug vores arbejdsstyrke på 50 millioner til at hjælpe din forretning med at opnå mere.
Kontakt os
API upsell billede
Freelancer API

50 millioner professionelle on demand

Hvorfor ansætte folk, når du blot kan integrere vores talentfulde cloud -arbejdsstyrke i stedet?
Kontakt os

Hvordan ansættelse af en SQL Developer fungerer

Opslå et job

1. Opslå et job

Fortæl os kort hvad du skal have lavet.
Vælg en Freelancer

2. Vælg freelancere

Få dit første bud med det samme og vælg mellem de bedste.
Hold øje med fremskridt

3. Hold øje med fremskridt

Chat med din freelancer og gennemse deres arbejde 24/7.
Betal Sikkert

4. Betal sikkert

Betal først, når du er fuldstændigt tilfreds.

Så hvad venter du på?

Slå et projekt op og få tilbud fra talentfulde freelancere
Ansæt en top SQL Developer nu

Fremhævet arbejde fra vores freelancere

Få inspiration fra SQL projekter
Spil.
Opdag Mere
Spil.
$50 USD på 9 dage.
Emballagedesign.
Opdag Mere
Emballagedesign.
$110 USD på 4 dage.
Musikvideo.
Opdag Mere
Musikvideo.
$300 USD på 12 dage.
Interiørdesign.
Opdag Mere
Interiørdesign.
$269 USD på 14 dage.
Plakat.
Opdag Mere
Plakat.
$100 USD på 3 dage.
Flyer-design.
Opdag Mere
Flyer-design.
$15 USD på 1 dag.
Koncept Design.
Opdag Mere
Koncept Design.
$100 USD på 10 dage.
Sociale Opslag.
Opdag Mere
Sociale Opslag.
$50 USD på 6 dage.
Udforsk mere arbejde fra freelancere Se mere arbejde

Som vist i

VentureBeat Logo

Verdens største markedsplads

Millioner af brugere, fra små til store virksomheder, entreprenører til startups, bruger Freelancer til at realisere deres ideer.
73.3M
73.3M
Registrerede brugere
23.7M
23.7M
Oprettede jobs i alt

Leder du efter freelancere til andre typer arbejde?

SQL Specialists Forum Software SQL Programmers Corda SQL Consultants Solana SQL Engineers SQL Experts SQL Development Agencies XMPP Baidu SQL Coders Storm Tizen SDK for Wearables SQL Gurus Scrum DIALux Nuxt.JS backbone.js SQL Architects
Tak! Vi har sendt dig en e-mail med et link, så du kan modtage din kredit.
Noget gik galt, da vi forsøgte at sende din mail. Prøv venligst igen.
Registrerede brugere Oprettede jobs i alt
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Indlæser forhåndsvisning
Geolokalisering er tilladt.
Din session er udløbet, og du er blevet logget ud. Log venligst ind igen.