SQL, or Structured Query Language, is a commonly used programming language for managing data in relational databases. A SQL Developer helps with the design, development and maintenance of databases. They ensure that the databases work correctly and efficiently and can also create testing procedures. With the help of a SQL Developer, clients are able to get an efficient system for managing their company data. By developing secure and reliable databases, businesses can maximize their potential and streamline all processes.

Here's some projects that our expert SQL Developers made real:

  • Improving query speed and accuracy on large datasets
  • Implementing views and stored procedures for quick retrieval of data
  • Designing database tables to store all types of data
  • Automating processes to reduce manual work while working with databases
  • Creating an efficient search function using complex SQL queries
  • Providing insights into data by creating analytical models

SQL is an invaluable tool for businesses today in managing their data efficiently. Our experienced SQL Developers help clients by developing a secure and reliable database that meets their needs. With the help of a SQL Developer, clients can ensure that their database systems work correctly and with maximum efficiency.

If you're looking for an expert SQL Developer to create efficient databases or enhance your existing systems, here at Freelancer.com you will find the perfect contractors for the task. Our wide network of talents has put together many successful SQL projects for satisfied customers around the world today. So if you're ready to take your business to the next level, post your project now on Freelancer.com and hire an expert SQL Developer to work with you on this journey!

Fra 358,553 tilbakemeldinger, klienter rangerer våre SQL Developers 4.87 av 5 stjerner.
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    Procuro alguém com bons conhecimentos no PHC, que consiga fazer uma passagem e conhecimentos da programação feita no PHC a um programador que se está agora a iniciar no PHC. O preço poderá ser discutível, dependendo do nível de conhecimento demonstrado.

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    Complete Flutter App 6 dager left

    I am looking to develop a shopping app using the Flutter framework that can be used on both iOS and Android devices. The app must also be able to integrate with an existing service, making it possible for users to access the app more easily. I am open to suggestions about the design and functionality of the app, but I am looking for a completed project that meets my specifications. Experience in building apps using the Flutter SDK and Google ml kit are requirements. If you are interested, please don't hesitate to reach out and provide me with some examples of your past work. I look forward to working with you!

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    need help in excel summary 6 dager left

    I am looking for someone to help me summarize data from an Excel sheet that I have already populated. The data consists of numerical values, and I need formulas used to compile the summary. It is important to me that the job is completed accurately and in a timely manner. I will provide more details upon initial contact.

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    SQLMap Injection 6 dager left

    I am looking for a freelancer to help with a project that requires SQLMap Injection testing. I need injection tests for both automated and manual execution, and specifically require vulnerability verification of the results. The successful freelancer must be experienced in both manual and automated testing of SQLMap Injections.

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    DotNet developer required for Improvement work in thenafter Host on server. Website address- User id- @gmail.c Password- kaspersky Explaining 'Basic functionalities' link is below- Explaining 'Improvement work to be done' video link is below-

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    I am looking for a skilled Freelancer to help me set up a node.js project on my local PC and resolve existing bugs on the existing codebase. I will be using a Windows operating system and I have some knowledge of the codebase, but I need assistance with debugging different problems and setting up the development environment on my PC. I'm looking for someone who can quickly identify and address potential issues, make necessary improvements, and keep the development environment up and running. the current codes are running in developement mode and unable to run in production mode due the the bugs. I need to resolve the bugs as I would like to run it in production mode. Think you're the right candidate for this job? Get in touch!

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    I am looking for a programmer to create a MSSQL database sync application which will run on a central IIS server hosted on a Windows Server. This application will be set to automatically perform a real-time database sync so that the data is always up to date. The application should be reliable, efficient and secure. The programmer needs to be experienced in developing applications for Windows Servers with knowledge of MSSQL databases. Any other suggestions that could help improve the performance and security of the application are welcome. Database structure for all sub centers are same.

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    Issues in databases. 6 dager left

    I am facing some issues in existing website regarding databases can you fix them?

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    We are one of Australia's largest garage door manufacturers, with a national presence having branches in Western Australia, Queensland and Victoria. I'm looking for someone to convert our business' current Microsoft Excel dashboard into a fully integrated Power BI dashboard that is dynamic, easy to understand and visually appealing. Up until now, our business has run a Microsoft Excel dashboard that has pulled data from an SQL server from ERP (Enterprise Resource Planning) software called CENCO. It has acted as a means for the viewer to have a full insight and overview into our business in real-time; being able to view KPI's into multiple areas of the business, including sales and invoice figures, production numbers, sales rep budgets, labour capacity, purchase...

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    python code to sql 6 dager left

    I have multiple excel files that needs to be uploaded to sql database with specifications that are explained in the document file. I have a python code that creates a sql query to upload the specific rows. I will provide the code wich its open with google connect, what I want is to create a program that will be run one time and it will upload the files straight into sql. To proceed with the project I will need to share screens with you through teamviewer or zoom so you can work through my computer since I am not able to share the database. Please place a bid if you are willing to share screens. thank you!

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    Help with tableau 6 dager left

    Need to connect with me and help me with tableau

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    1. Billing Application for Android using C# 2. Offline and Online Capability 3. Inventory Management 4. Report Management 5. Billing Report Printing functionality

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    rest api for guns.com and other 5 dager left

    These websites allows sellers to manage inventory with rest api My desire is to use the RestAPI to manage my inventory and possible orders Currently I manually create the product listings and when we sell on a website I have to manually remove from other websites. I do have my data in a sql database so I can assist with the data table but you will have to do the api I have no experience in that JIm

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    I work for a residential care charity and am exploring possible solutions to a problem that I have been asked to solve, and being a charity, for the least money possible..... We have approx 150 staff, who each need to take between 10 and 25 courses each per year. The courses are done by our inhouse trainer, or via online providers. I need to be able to keep track of who has completed what training and when, and alert by email them and their teamleader, when the training needs to be redone. Ideally there would be access (read only) by the teamleaders with editing rights restricted to myself and one or two others. It would need to be able to produce a report by staff member, or team, or course The report would need to demonstrate who held valid current training on each course and when...

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    I need someone to be able to log into my system, and extract all the database details. The database password and documentation have all disappeared with the developer of this system.

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    Looking for .net and c# developer 5 dager left

    I am looking for an experienced .net and c# developer to take on a data-driven application project. Looking for a developer with expertise in .net, and reactjs, who is also familiar with Relational database, who is good at c# .net core - mysql, sql. And Convert sql stored procedures to .net query using dapper or entity framework. We have two projects that will run simultaneously. We can discuss more details of the projects over a quick call. I have taken care of the database structure and need the project completed as soon as possible. This is an exciting opportunity to work on a complex and challenging project with a tight turnaround window. If you are up for the challenge and have the necessary proficiency with .net and c#, please apply.

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    I'm seeking an experienced software developer to build a small react+Django full-stack project for me. The project requires the use of an SQL database, React framework for the front-end, and does not require authentication. I'm looking for fast and reliable work that meets deadlines and is of high quality. I am willing to provide more details upon request. If this project if of interest to you, and you fit these requirements, please don't hesitate to get in contact with me. backend SQL generator will be created. work mainly on the front-end.

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    Access MDB Database Editing 5 dager left

    MsAccess relationship database technologies. • Knowledge of MsAccess database design • Ability to provide user with system documentation if required.

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    Se requiere un sistema de asistencia que controle las asistencias de docentes o profesores de un grupo de colegios, escuelas y jardines, con reportes mensuales y semanales.

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    Build me an iOS app/excel 4 dager left

    I need a developer who understands option strategy analysis and calculator and programming. I want to have live feed of US stocks/ options on excel/sheet where I can enter various strategies in excel/sheets and I can see updates are refreshed with live prices every 5 seconds. I want similar functionality as on my iPhone. The app will be showing me live data feeds of US equity and option prices. OptionStrat and OPC (just a calculator) are similar apps.

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    We are Looking for a Database Administrator, For Providing Expert Advise on 1. Analyzing our Databases 2. Providing Expert Solution for Optimzation 3. Implementation of Plan 4. Migrating from MySQL to Other Databases

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    Environment Office 365 dan Sharepoint : 1. Microsoft Form dan Team Forms 2. Power Apps 3. Power Automate 4. Data source SQL

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    I'm looking for an experienced data analytics expert with expertise in Power BI and DAX. The data source that I would like analyzed is a SQL database. The insights that I am looking to gain are interactive reports. I already have the data set ready to go and I am able to provide it. I am expecting a professional approach to this project, and results that will meet my expectations. This is a project that can last for several month and training is required

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    Hi, I am looking for some help on the following project. BCP is used to create exports of MSSQL tables. Example: 2133|test||1|0| The desired export format is: 2133|test|N|1|0|N Meaning, the empty slots should be replaced by N. The tables are very large so we it needs to be a fast working solution.

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    Wordpress website building 3 dager left

    I need to build a wordpress website in 3-4 parts. First part is the database construction and the details are provided, as attached. This is an opportunity for those who want to increase their reviews with good scores as I'll assign other 3 projects to the same freelancer who is selected for this part of the website. I can provide a maximum of 150HKD for this task. Suitable for new freelancers who want to build their profiles with excellent reviews

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    Our database is 5 gb, recently it has started throwing randomly wait time out error. We reversed any new developments we had done. Shifted server to new server. Increased time to 2000. Still the error comes as the number of users increase. Does not come with less users.

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    My dadabase around 5gb is suddenly showing time out errors. All routine solutions done. New codes revised. Still error randomly persists.

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    SQL database graph design 3 dager left

    I need someone that can create a visualization of my SQL Database named FDOT_Test_Road_DB. For this project to be completed we will have to share screens through teamviewer or zoom so you can work through my screen the final goal is to show how each table is linked to each other as well as the views. There is an example below of what it needs to be performed.

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    Unable to use application due to non-availability of database for application server. In any case if any one of the database servers are down system should automatically switch to different node to make sure application should be running and end user should not have any impact for both execution and downloading reports.

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    Develop CRUD operation in PHP 3 dager left

    I am looking for someone to develop a CRUD operation in PHP with a MySQL database and for it to be hosted on a self-hosted environment. User authentication is not necessary. The deliverables should include the source code of all related files, the written documentation, and any other related documents. Furthermore, I will need proof that the operation works correctly. I'm open to proposals on the best route to deliver this project and am eager to get started.

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    Unable to use application due to non-availability of database for application server.

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    Create a sequel query 17 March 3 dager left

    I'm looking for someone to create a sequel query on 17 March. The task would require the use of Azure Data Studio, as well as any reference materials necessary to complete the project. The completed project should be delivered in a SQL Database format. The right freelancer should be able to efficiently create a sequel query based on the given instructions.

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    Hola que tal busco alguien que me ayude a programar una aplicación para PC que tenga funciones de inventario entradas salidas compras reportes de movimientos de inventario generación de códigos de barras para artículos consultas de skus almacenaje de imágenes usuarios contraseñas consulta de artículos

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    I want to Building a database that will store and display data about Formula 1. The details will be discussed in the chat. please bid if you are expert.

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    Tenía una web en funcionamiento y al borrar al administrador se borró parte del contenido. Restaure la copia seguridad desde el hosting y me baje los ficheros de contenido y el SQL . El problema es que no se cómo continuar porque hay que subirlos al mysql..alguien que pueda ayudarme . Gracias

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    help me in writing code in sql 3 dager left

    Hello, I am looking for someone to help me write code in SQL for a personal project I am working on. Specifically, I need someone who is familiar with the SQL language who can help me write code for this project. I do not have a specific database that needs to be accessed; I just need someone to help me write the code in SQL.

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    DBA sql server 2017 scale out 3 dager left


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    Automate oracle DB Sswitchover 1. Perform the checklist for ADG and DB server switchover readiness 2. Automate the DB switchover 3. Post check after primary DB 4. Validate GG config, if server had one 5. Shell script to Python script needs to be done

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    Hi, I run a textile manufacturing business. I have a textile ERP setup that uses SQL. I want to build an inventory management system that can track my raw material, my work in progress, and my finish inventory level. If I can setup it in a way where the module can import data from SQL like material bill and sales bills, that'd make it even better.

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    Power BI developer -- 2 2 dager left

    We are looking for a Power BI developer with good knowledge in below. Study, analyze and understand business requirements in context to business intelligence. Design and map data models to shift raw data into meaningful insights. Utilize Power BI to build interactive and visually appealing dashboards and reports. Run DAX queries and functions in Power BI Good knowledge in SQL queries, views and procedures.

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    I want to scrape data from a website and put that data in SQL server and then again I want that data to be placed in Power BI without human intervention.

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    Sql expert in medical domain 2 dager left

    Need an sql expert to clarify my doubts typically takes 1 to 2 hrs.

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    I want to create a simple Job portal where companies can open their job, select candidates, schedule interviews and finalize the candidates and the interview process management should also be there and it should have candidate login structure also.

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    ** Updated description Job Title: C# Developer - HTTPS SOAP Project Job Description: We are looking for a skilled C# developer to create a HTTPS SOAP project that includes a client and a server. The project must be created as WPF user controls and will require SSL using cert files. Additionally, SOAP file creation and processing must be based on provided WSDL and XSD files. Responsibilities: • Develop a HTTPS SOAP client and server using C# 4.8 as WPF user controls • Implement SSL using cert files for secure communication • Develop SOAP file creation and processing based on provided WSDL and XSD files • Ensure the project is scalable, reliable, and maintainable • Troubleshoot and debug issues as they arise • Collaborate with other developers, stakeholde...

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    Need .Net Full Stack Developer 2 dager left

    Looking for full-time full stack developer for a long-term. Must-meet the following: · University degree or equivalent education (Computer Science or Technical degree is optimal) · Excellent English verbal and written communication skills · 5+ years working in a full stack Dotnet developer Experience in Asp.net MVC is required · Expertise in React.js · A positive, can-do attitude · Self-motivated to find ways to unblock oneself · Trustworthy, team-oriented, and transparent · Total Experience: 5+ years (3+ years in React.JS +Dotnet) Role Full Stack dot net developer Department Engineering - Software Employment Type Full Time Role Category Software Development Education: UG: B.Sc. in Computers, BCA in Computers, ...

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    Snowflake Developer -- 3 2 dager left

    I'm looking for Snowflake Developer , PX(Partner experience cloud), CX ( Customer experience cloud), LOA and SQL Queries

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    MS Access Application with VBA 2 dager left

    Need Access expert to develop Access based application. Application purpose is to support manual data cleaning. the user will review data in a form and provide input in form of drop down list combo boxes. the combo boxes are relational. Navigation / menu form, data verification and input form to provide input and update tables (create new validated records), option to save and continue later. relational database dependent drop down combo boxes 8 to 15 Tables The data set consist of 50K rows X 20 columns approximately. I will provide sample data for development; you have to teach me how to add the full data. the input ranges are available with me (validation lists). Need fast efficient Access expert who is strong in VBA. need solution to keep the database central and provide users...

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    Looking for a technical personal assistant to help with an on-going data & research project. Duty changes from time to time but will include: * Identify reliable data sources for the assignments * Write script or other no-code/no-code tool to extract information in a machine-readable format (csv/json/sql) * Programming/scripting/data work as needed No prior experience needed, as long as you get the job done. Also accepting IT/CS/SE students in final year. However, I'm a developer and this is a technical job. I don't care about particular programming languages as I can read most of them. Sometimes Google sheet is the best tool for the job and so be it. How to apply: Here's an intro/sample assignment. * Find the list of all S&P 500 companies, for ea...

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    Need a dynamic website 1 dag left

    Need a website like this

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    Large SQL Report 1 dag left

    I have roughly 12 tables of data and an excel template I want values for from sql queries.

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