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 349,626 reviews, clients rate our SQL Developers 4.86 out of 5 stars.
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    71 jobs found, pricing in SGD

    I'm in immediate need of an Oracle developer. My requirements are specific: Skills and Experience: * Proficient in Database Management * Expert in SQL programming * Experienced in PL/SQL development Project Scope: * Design and implement a new database * Optimize and tune an existing database * Capable of writing complex SQL queries Please note the project must be completed as soon as possible. So, only apply if you're ready to take on the task immediately.

    $607 - $1215
    Sealed
    $607 - $1215
    28 bids

    I'm in immediate need of an Oracle developer. My requirements are specific: Skills and Experience: * Proficient in Database Management * Expert in SQL programming * Experienced in PL/SQL development Project Scope: * Design and implement a new database * Optimize and tune an existing database * Capable of writing complex SQL queries Please note the project must be completed as soon as possible. So, only apply if you're ready to take on the task immediately.

    $6 - $12 / hr
    Sealed
    $6 - $12 / hr
    19 bids

    I’m experiencing a persistent issue with lagging or delayed replication in my SQL Server database. The primary problem revolves around the replication process not effectively happening in a timely fashion. Ideal Skills-needed: - Solid skills in SQL Server management - Proficient understanding of database replication processes - Excellent problem-solving and diagnostic abilities in the context of database administration The ideal freelancer for this project will be able to not only identify the source of this issue but will provide a solution to improve the replication time. It's crucial that you have managed SQL Server databases before, ideally in a high-transaction environment, and have a deep understanding of data replication.

    $28 / hr (Avg Bid)
    $28 / hr Avg Bid
    14 bids

    I am seeking an expert in SQL Server replication. The project involves replicating our business data to facilitate efficient data distribution. The replication has been set up. The snapshot working but Data not delivering to the subscriber. Log reader fails after 10 mins - Key Expertise Required: - Proficient with SQL Server - Extensive experience with data replication - Profound understanding of business data - Knowledge in data distribution strategies

    $50 (Avg Bid)
    $50 Avg Bid
    22 bids

    I'm in need of an Access database that can primarily handle generating reports and analytics. The main goal is to keep track of internal data for further analysis and reporting. Key Features and Functions: - **Reports & Analytics:** The database should have the capacity to generate comprehensive and insightful reports from the data gathered. It's crucial that these reports are insightful and easy to understand. - **Data Tracking:** The database will be used for tracking internal data. This needs to be done with precision and the ability to link data for comprehensive tracking. - **Data Input & Updates:** The system should allow for easy input of data and updating when needed. This will facilitate the generation of accurate and updated reports. Ideal Skills: - Profici...

    $199 (Avg Bid)
    $199 Avg Bid
    18 bids

    I'm looking for a proficient web developer to create a cutting-edge web app tailored for educational institutions. The main features of the app should revolve around seamless video communication between users. Key Features: - One-to-One Video Calling: Implementing a robust video calling functionality that can support both one-to-one sessions. - Live Chat: A real-time chat room integrated within the app for additional interaction. - Screen Sharing: Facilitating screen sharing among the participants. Customization Level: - The primary focus of this project is on basic video call functionality. No need for advanced features such as filters, effects, or custom backgrounds. The emphasis is on providing a stable, user-friendly video calling experience. Ideal Skills: - Proficiency in M...

    $2188 (Avg Bid)
    $2188 Avg Bid
    40 bids

    As a website owner operating 20 sites predominantly run on PHP Wordpress and ASP, I am experiencing a major issue. I require a freelancer with strong Dbeaver knowledge to equip me with the necessary credentials and permissions to attach an SQL file to IIS Win 10. As a user who needs help with troubleshooting the "Unable to connect" issue in IIS, the assistance in this matter is crucial. Ideal Skills and Experience: - Extensive experience with Dbeaver and SQL-IIS connections - Previous experiences with WordPress and ASP - Good understanding of PHP 8.3.6 - Ability to troubleshoot and resolve “Unable to Connect” issues in IIS - Ability to provide guidance for verifying and establishing necessary credentials and permissions. Bonus if you happen to have experience in u...

    $31 / hr (Avg Bid)
    $31 / hr Avg Bid
    69 bids

    I'm looking for an expert with exceptional skills in Microsoft Access/Database, Excel, and VBA coding. The main focus of the project is on Access/Database, the specific tasks include: - Data Entry - Query Building - Database Design Ideally, I need someone who can efficiently handle a database containing 10-20 tables. You should be detail-oriented, experienced in managing medium-sized databases, and proficient in maximizing the functionality of Access. Excel expertise and VBA coding skills will also be highly valuable in this project. ONLY ACCEPT TASK IF YOU CAN DELIVER WITHIN 3 HOURS

    $74 (Avg Bid)
    $74 Avg Bid
    19 bids
    API Salesboard Development 1 day left
    VERIFIED

    I'm looking for a skilled developer to create an API Salesboard. We have had one in our business before, but unfortunately that company no longer exists. Fortunately - we have some imaging and data to provide that can help point you in the right direction. This tool will essentially serve as a centralized hub for tracking sales data, generating custom reports, and integrating with our existing CRM and PayRoll management software. The main features I need include real-time sales data updates during business hours, customizable executive reports, and seamless integration with our CRM system. We have an open API so that you can investigate what data is available. Key requirements: - Developing an API Salesboard tool with a user-friendly interface and robust functionalities. - Ens...

    $1236 (Avg Bid)
    $1236 Avg Bid
    24 bids

    I am actively seeking an API development expert, specifically for SSO and SAML integration. Let's dive into what I am specifically envisioning for this project: - Proficiency: I will need someone who is familiar with SSO, SAML, React, Node.js and SQL. Your past experience in similar projects will be highly valuable. - Functionality: A primary objective for this task is to develop an API that has Single Sign-On (SSO) and Security Assertion Markup Language (SAML) functionality. - Purpose: The purpose of the API development is to integrate SSO and SAML for user authentication in my system. Maintaining security, ease of use, and adaptability is crucial. In conclusion, your task primarily revolves around strengthening authentication methods via respective API development.

    $509 (Avg Bid)
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    75 bids

    I have a small FileMaker Pro 12 database that requires a conversion to an SQL-based database. The structure is to largely remain the same, but there are some minor issues that need rectification. Details: - The conversion task requires no major changes to the original data structure. - However, some calculation errors need fixing. Therefore, you'll need a keen eye for identifying and rectifying them. Skills & Experience Required: - Experience with FileMaker Pro 12 and SQL databases. - Understanding of database structures and functionalities. - Ability to identify and correct calculation errors. - Great attention to detail. Please ensure that during the conversion process, no data is lost, and the end product works seamlessly. The bid proposal should reflect your understandi...

    $439 (Avg Bid)
    $439 Avg Bid
    22 bids

    I need a Python developer who can handle automation tasks related to ETL pipeline, data extraction from Snowflake, and a dbt environment. Key Requirements: - You should be proficient in Python programming. - Be familiar with the Window Task Scheduler. - Have experience with ETL pipeline development. - Know how to extract data from Snowflake and a dbt environment. The Purpose: - The ETL pipeline is crucial for handling data analysis, reporting, and data integration tasks. - The data size to be processed in the ETL pipeline is medium, up to 10 GB. Ideal Candidate: - You should have prior experience in handling similar tasks. - A strong understanding of data handling and automation through Python and ETL tools. - Proven expertise in data extraction from cloud-based warehouses, especially...

    $28 / hr (Avg Bid)
    $28 / hr Avg Bid
    73 bids

    I need a custom add-in that can automatically save both my sent and received emails. Key Features: - The add-in must be compatible with Outlook and automated as much as possible. - It should have the capability to save both sent and received - The add-in should be efficient, ensuring that no emails are missed in the process - A simple yet effective interface that is easy to navigate and use is crucial The add in will: - query a SQL database and find clients linked to the sender/recipient and prompt the user to select the relevant client - Save a copy of that email to the relevant folder for the selected client - again based on a SQL query. The SQL query information can be provided to facilitate this. Ideal Skills and Experience: - Proven experience in developing Outlook a...

    $38 / hr (Avg Bid)
    $38 / hr Avg Bid
    9 bids

    I'm seeking a freelancer with experience in ASP.NET Core. The job involves moving two unspecified files from one ASP.NET Core project to another. Please include your relevant experiences in your ability to troubleshoot and problem solve efficiently will be highly valued.

    $41 (Avg Bid)
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    26 bids

    I am looking for a freelancer with experience in Qlikview or Qlik Sense implementation to assist with a dashboard creation project. The ideal candidate should have prior experience in implementing Qlikview or Qlik Sense and be able to create visually appealing and user-friendly dashboards. The project is expected to take between 4-6 months to complete.

    $16 (Avg Bid)
    $16 Avg Bid
    8 bids

    I am currently looking for an MS SQL trainer to help with physical training in chennai. - Expertise: While the selected trainer needs to have intermediate level skills in MS SQL, having advanced skills could be a bonus. However, the ability to explain complicated topics in a simplified manner is paramount. - Topics: Though a choice was not specifically provided, your comfort with a range of MS SQL subjects will be beneficial. From database administration, querying data to data integration, any and all skills are welcome. - Time frame: This is an immediate requirement. Hence, applicants who are available to start at the earliest will be preferred. Ideal candidates should have considerable experience in training others, a strong grasp of MS SQL, and the flexibility to start ASAP. Your abil...

    $493 (Avg Bid)
    $493 Avg Bid
    4 bids

    DotNet developers required for Improvement work in thenafter Host on server. Developers should also have knowledge about Merger of sourcecode and database of his done-work with other developer's done-work on GitHub. Website Address - User emailid- @gmail.c Password- kaspersky Improvement work which need to be done is explained in below link-

    $134 (Avg Bid)
    $134 Avg Bid
    8 bids

    I'm in need of a skilled database designer and manager who' is confident in English. The project involves creating and maintaining a relational database. Key Requirements: - Advanced knowledge of Relational Databases - Proven experience in database design and management - Must be be fluent in English Experience with: - Customer data management or transaction records (preferred but not mandatory) I'm looking for someone who can work on this project with no strict time limit.

    $32 / hr (Avg Bid)
    $32 / hr Avg Bid
    27 bids
    Sync Db in Vb.Net 3 days left
    VERIFIED

    Ho un progetto vb.net da completare per la sincronizzazione di database. il progetto è in github e darò l'accesso una volta assegnato il progetto. ho un problema nella lettura del formato dei campi da un tipo di database e la creazione dei campi nella tabella del database di destinazione che è di un formato diverso. i formati database principalmente coinvolti sono MySql, Firebird, Ms Access, Ms SqlServer

    $270 (Avg Bid)
    $270 Avg Bid
    11 bids

    Necesito ayuda para llevar mi trabajo con una mejor gestión. Cuento con PowerBi desktop y necesito que de manera local me pueda estar actualizando mis KPIs

    $18 / hr (Avg Bid)
    $18 / hr Avg Bid
    32 bids

    Jsme rychle rostoucí startup v oblasti průmyslových technologií, který na strojírenský trh přináší unikátní AI službu, navrženou tak, aby vyhovovala největším výrobním společnostem na trhu jako Siemens, Bosch, Wanzl, Ammann atd. Jsi zkušený expert na backendový vývoj a softwarovou architekturu a hledáš příležitost k dalšímu rozvoji ve významném technologickém prostředí? Chceš vést vývojový tým a podílet se na návrhu a implementaci sofistikovaných softwarových řešení? Pokud máš rozsáhlé zku&sca...

    $33 / hr (Avg Bid)
    $33 / hr Avg Bid
    25 bids

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