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!

From 348,214 reviews, clients rate our SQL Developers 4.86 out of 5 stars.
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    Excited to work with an experienced ASP.Net webforms developer, who will bring their skills to facilitate the Database integration aspect of our project. Key Responsibilities: - Integrate SQL Server with our existing ASP.Net project. - Create smooth and efficient functionality. - Ensure system robustness and efficiency. Skills and Experience: - Strong proficiency with ASP.Net Webforms. - Knowledge and hands-on experience working with SQL Server. - Excellent troubleshooting capabilities. It is not necessary for this project to migrate data from an existing database to SQL Server. However, the capability to do so may be beneficial in the future. If you are an experienced developer with the aforementioned skills, I would love to have you on board for this project. Regards, Dipak

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    I'm in need of an experienced SQL developer who can assist with writing stored procedures in SQL Server. The purpose of these stored procedures is for data loading. Key Responsibilities: - Writing stored procedures for data loading Ideal Skills & Experience: - Proficient in SQL and SQL Server - Prior experience with writing stored procedures - Experience with data loading processes The complexity of the stored procedures is expected to be at the basic CRUD operations level. As this is focused on data loading, it requires someone who is meticulous and well-versed in data manipulation within a SQL environment.

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    I'm looking to create an application using NoCode development tools, specifically Bubble and FlutterFlow. The core features I need developed are: - User Authentication: This will be based on an email and password login system. The focus should be on ensuring user credentials are securely handled and stored. Experience with implementing this in a NoCode environment is a must. - Database Integration: The project will make use of an SQL Server. The freelancer should be able to efficiently integrate and manage an SQL Server database with the NoCode tools. Previous experience with SQL Server is required. - We need to integrate some process, after all, we need to implement the solution in Azure. In summary, I'm looking for a freelancer who is skilled with NoCode tools, specifi...

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    For my current project, I require an expert who's proficient in DOMO Beast Mode and SQL. The tasks will primarily involve: - Producing calculated fields: You will need to execute both complex mathematical calculations, as well as intricate string manipulations. A good grasp of mathematical principles and string handling in SQL is a must. - Transforming data: This job will further entail the aggregation of data. Being adept in grouping and managing datasets of diverse sizes will be crucial. Your comfort in working with DOMO, SQL, and data manipulation will be the key to successfully accomplishing this task. If you routinely perform these tasks and understand the underlying processes, I would love to connect and discuss the project further.

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    I'm in need of assistance with Codility assessments, specifically focusing on intermediate-level problem-solving tasks. Your work should encompass: - Expertise in SQL or Python. Familiarity with both languages is advantageous. - Proficiency in algorithmic programming, capable of thinking strategically to solve intermediate-level problems. - Ability to assist in solving three different task types in Codility, including: 1. Time complexity problems 2. Sorting and searching problems 3. Counting elements problems Ideal candidates would have experience preparing or mentoring for codility assessments and a strong background in programming. Your intricate knowledge of problem-solving within the realms of algorithmic programming would be highly beneficial. A methodical approach to ...

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    I'm in need of an experienced .Net developer, with solid skills in MSSQL and C#, who can effectively handle front-end development tasks in my POS terminal project. Your primary tasks will be: - Implement business logic based on defined user stories. - Develop the user interface of the POS terminal using C# and associated .NET technologies. - Integrate the POS terminal with MSSQL database for data storage and management Ideal skills and experience: - Proficiency in .Net, MSSQL, and C#. - Previous experience in front-end development. This role requires both technical expertise and keen attention to detail. I am looking forward to your innovative solutions to meet our project requirements.

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    eleasticsearch 1 day left
    VERIFIED

    need someone to assist with elastic search queries. i need someone who has worked with elasticsearch queries.

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    Microsoft Power Bi -- 4 23 hours left
    VERIFIED

    I am looking for a freelancer to assist me with specific data cleaning and transformation tasks in Microsoft Power BI. Skills and Experience: - Strong proficiency in Microsoft Power BI - Experience in data cleaning and transformation techniques - Ability to work with large datasets Data Output: - The preferred format for the data output is data sets Data Collection: - I already have the data, so the freelancer will not need to collect it.

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    Hi, Job Title: Senior Developer - SQL Server Analysis Services Experience : 5+ Mandatory Skillset:Seeking a skilled SSAS Developer to contribute to our team's success. Responsibilities include designing, developing, and maintaining SQL Server Analysis Services solutions for business intelligence and data analytics requirements. Tasks involve creating data models and developing multidimensional cubes. Key skills required: expertise in MS SQL Server Analysis Services (SSAS) Tabular and Multidimensional. Proficiency in TSQL for writing performant queries is essential. Experience with data visualization and reporting tools is highly valued. Additional knowledge of Excel and .Net development is advantageous. Strong problem-solving abilities, excellent communication skills, and a collabor...

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    Project Description: Customer Data Integration and Personalized Marketing System Introduction: In the contemporary business landscape, understanding and catering to the needs of customers is paramount for organizational success. To achieve this, businesses must gather, organize, and analyze data about their potential and existing customers. This project focuses on developing a comprehensive system to streamline the process of collecting, integrating, and leveraging customer data to create personalized marketing campaigns. Objective: The primary objective of this project is to establish a dynamic and continuously updated database that empowers personalized marketing strategies. By gathering, cleaning, integrating, and analyzing customer data, the system aims to provide insights into custom...

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    I am seeking a database expert who can successfully migrate mixed structured and unstructured product data from Oracle to SQL. This project requires a comprehensive understanding of database architecture, data migration best practices, and extensive knowledge of Oracle and SQL. Key Tasks: - Analyze and understand the structure of existing Oracle database - Prepare a thorough plan for data migration ensuring minimal downtime - Coherently migrate mixed structured and unstructured product data to SQL Ideal Skills and Experience: - Previous experience with Oracle to SQL data migration - Understanding of both structured and unstructured data - Deep knowledge of database architecture and design - Ability to troubleshoot any issues that arise during migration - Excellent attention to detail a...

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    Here is a list of zip files on a US Govt website. You must write a Python program that uses a network library to download each zip file on this site, then find each .csv file in the zip archive, and copy each .csv file in each zip archive to a hard drive directory on the local windows machine. The directory will be "C:/MedicareDownloadFiles". The files cover the years 2017 to 2024. You may not hardcode file names ... you must extract the filenames from the above https URL. The fee for this will be $30. You must have it done within 60 minutes. Thanks for participating!

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    I'm experiencing performance issues within my IoT-based platform, mostly coming from slow query response times, excessive storage consumption, and challenges with insert operations after compression. I'm looking for an experienced TimescaleDB expert to optimize this. - Optimize slow query response time - Reduce excessive storage consumption - Fix insert operations after compression The ideal freelancer for this project is someone who has extensive experience in TimescaleDB, particularly in query optimization and compression features. Unfortunately, I'm unable to provide the number of tables in the platform, but I need someone who is capable of handling extensive data and complex structures. If you've dealt with this before, you're the right fit.

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    I'm currently seeking an Oracle SQL developer with exceptional proficiency in creating logics. This task requires: - Writing an SQL code for data extraction purposes. - The code needs to be written as quickly as possible, with a time frame of 1-2 hours. - The solution should deal with the joining of multiple tables and creating doing some further order by, group by codes Decent knowledge of Oracle and experience in handling similar tasks would be ideal for success in this project. Your ability to deliver accurately and timely will be greatly valued. The code should be written using simple statements. I am not sure how to set up a connection to our datapool though. I can show couple of other related codes that can help

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    Work Order App for Tablet 6 hours left
    VERIFIED

    Our manufacturing company is seeking a proficient app developer who can take our existing work orders onto a tablet platform. The application will function as a means for our employees to access, update and input additional information into work orders. A direct connection to our SQL server is essential. The app should have the following key features: - Access and view work orders: Our employees should be able to easily browse and access the work orders. - Update work orders: A functionality to update the status of work orders is pivotal. - Add additional information: The app must also enable employees to input further necessary information into the work orders. Minimum qualifications include: - Proficient in app development. - Familiarity with SQL for direct server connection. - ...

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    Featured NDA
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    I am in need of a professional with experience in SQL Server, ODBC and Quickbase pipeline to assist me with data integration. Job Duties: - Connect my SQL server via ODBC - Utilize Quickbase Pipeline and on-prem gateway for seamless integration Preferable Skills and Experience: - Strong understanding of SQL Server and ODBC - Experience with Quickbase pipeline and on-prem gateway - A history of successful data integration projects, particularly with transaction data Credentials: -I have all the necessary access rights and credentials to my SQL server. I require your expertise to navigate the technical process. Your responsibility would be solely the technical integration. No data management or further SQL Server maintenance would be required. I am only looking for professionals who h...

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    I require a seasoned full-stack developer with a knack for Django web application development. This project revolves around creating a web app for data analysis, specifically user behavior data. Key WebApp Features: - User registration and login: The platform should facilitate user signups and secure login functionality for 3 types of profiles. - User Dashboard: Users need to manage their information effectively on a personal dashboard. - API Integration: The application must integrate with an 7/8 APIs. - Payment Acceptance: The platform should accept payments and automatically generate profile reports. - SMS Integration: An SMS acceptance feature for privacy is vital. - Email and Phone Verification: email and phone number to be confirmed through OTP. - PDF Generation: Generate c...

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    Somos una empresa de desarrollo de Software de producto propio () y estamos buscando perfiles para reforzar de manera remota nuestra capacidad de desarrollo. 1. PERFILES BUSCADOS: En este momento estamos interesados en perfiles JAVA2EE con experiencia demostrada y excluyente en: a- Trabajo en equipo colaborativo, español nativo. b - JAVA2EE con experiencia superior a 2 años c- Conocimientos en programación Java Swing d- Experiencia en programación previa demostrable de al menos 1 año en programas de gestión tipo ERP, SGA, POS, CRM, facturación, contabilidad, etc. e- Entorno de trabajo sobre GITHUB, JIRA, ECLIPSE f- Conocimientos de programación SQL sólidos 2.- CERT...

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