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!

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    I require a proficient Pl/SQL programmer to assist me in writing stored procedures for my database. Your primary goal is to focus on the programming aspect of Pl/SQL, specifically in creating stored procedures. This is key to the project and will require a deep understanding of both database management principles and the syntax of Pl/SQL. Key skills and experience needed: - Proficiency in Pl/SQL programming - Proven experience in writing stored procedures - Strong understanding of database management and architecture - Excellent problem-solving skills - Attention to detail and accuracy in coding Your work will contribute significantly to the efficiency and effectiveness of my database system. Please be sure to have a portfolio or examples of your previous Pl/SQL work to showcase your ca...

    $15 / hr (Avg Bid)
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    I require a dedicated developer who can effectively create the backend logic for my college project; an E-commerce website. This site will primarily deal with physical products. Key Features Required: - E-commerce Capabilities: The site should facilitate the buying and selling of physical goods. Familiarity with creating product listings, shopping carts, and checkout procedures is a must. - Content Management System: I need a simple and efficient way to upload, remove or modify the products on the site. - Payment Gateway Integration: The website must securely process payments. Prior experience with integrating payment gateway services is required.

    $51 (Avg Bid)
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    I am seeking an experienced python developer to integrate a face recognition system primarily used for class attendance tracking. This system should operate by authenticating users to add and edit information. A critical requirement for this project is achieving different users having defendant access/editing rights. Max time 8hrs Skills and Experience: • Expertise in developing Face Recognition systems in Python • Proven track record of delivering high-accuracy solutions • Experience with tkinter and Python applications • Strong knowledge of machine learning algorithms and computer vision (OpenCV). • Detail-oriented and committed to meeting strict accuracy benchmarks. The outcome of this project should be a reliable, efficient, and highly accurate attendance tra...

    $19 / hr (Avg Bid)
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    I am in urgent need of a developer to help me delete some crucial files from my server's database. The files in question are related to both orders and affiliate data. Key details: - Urgency: This task needs to be completed within 24 hours. The files do not involve any specific criteria for selection. The process is straightforward, and all relevant files need to be removed. Ideal skills and experience: - Proficiency in database management and SQL - Experience in managing ecommerce and affiliate systems - Ability to work under tight deadlines - Good communication and collaboration skills

    $34 (Avg Bid)
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    We already have the layout for the ordering system. The code for the menu , ordering function is already set up. We need someone to implement a few more features to our code. Key Features: -Menu: The ordering system will display menu items -Customization: Customers will be allowed to make customisations to their liking from the menu -Social media food trendy(popular items)- Customers can view social media posts that people have uploaded to see what dishes are good and view food inspiration. -Live feedback- Customers can track how long their order will come to the table. Reviews- Customers can leave reviews and rate the food. -Reservations- Customers can reserve a booking - User login - user page for accessing the customer view -Order history- Customers can view order history -Promotion and...

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    PHP to MySQL CRUD Application 21 hours left
    VERIFIED

    I want to switch reading input from a file to reading from a database table. This can be achieved through the creation of a MySQL database table and performing some essential CRUD SQL statements. Upon completing this, I should be able to: • From a PHP page, create a MySQL database • From a PHP page, create the appropriate tables • From a PHP page, apply CRUD operations using SQL language

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    I recently attempted to upgrade my SSIS to the 2019 version, on my Windows Server 2019. However, I am encountering problematic error messages relating to the odbc 64 bit issue. Specific Qualifications and Tasks: - Extensive knowledge and experience with SSIS 2008, 2012, 2016 and most importantly 2019 - Proficient in troubleshooting and upgrading processes on Windows Server 2019 - Ability to pinpoint and rectify the odbc 64 bit issue on SSIS upgrade - Efficiently resolve the emerging error messages Your past experiences with similar issues will be highly beneficial in this project. Your role is to figure out the root cause of these errors, fix the problem and ensure a successful upgrade to SSIS 2019.

    $144 (Avg Bid)
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    I urgently need a proficient developer with thorough knowledge in Cerner Command Language (CCL) to create efficient reports for my organization. Subcategories to focus on are: - Comprehensive understanding of the CCL database structure. - Ability to create complex scripts to facilitate data extraction. Skills and Experience: - Deep experience in CCL report creation. - Firm understanding of healthcare-related data. - Ability to work under pressure and meet strict deadlines. Knowledge in patient demographics, medication details, or lab results isn't necessary, but could be a bonus as the specific information for the reports hasn't been outlined yet. Please be prepared to start this project immediately, I'll need it turned around ASAP. ->Please bid only if you have c...

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    I'm looking for an experienced Oracle specialist with a sharp eye for detail to help me resolve syntax errors in my Oracle 11g code. Key responsibilities include: - Identifying and rectifying syntax errors in my existing Oracle codebase I'd prefer regular video calls for updates and progress reports. Your insights into improving my code's efficiency are also highly appreciated.

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    I'm experiencing performance issues with 5 stored procedures in my SQL Server. These procedures are significantly slower than expected due to complex JOIN queries involving multiple tables. The project entails: - Diagnosing the cause of the slow performance. - Improving the efficiency and speed of these 5 stored procedures, aiming to achieve at least a 50% increase in speed. - Decreasing high memory usage of a sql server instance Ideal skills and qualifications: - Proficiency in SQL Server and complex JOIN operations. - Proven experience in SQL query optimization and performance improvement. - Understanding of advanced aspects of SQL Server performance tuning. - Excellent debugging and diagnostic skills. - Familiarity with procedures handling multi-table JOIN queries. GetInvKard...

    $172 (Avg Bid)
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    You need to look through the site to find all trade signal providers who match this criteria: 1. Max drawdown % * equity / 4.5 < average profit of last 50 trades Eg. Drawdown = 2%, equity = $1000, then your average past 50 trade’s profit must be higher than $20/4.5 = $4.44 IGNORE TRANSACTIONS THAT ARE WITHDRAWAL OR DEPOSITS OR YOU WILL HAVE VERY FEW RESULTS Auto replies are auto ignored! People who bid when they cant be bothered to read and just want to waste our time, will be ignored. When you message me, the first sentence of your message must begin with: I found ___ number of signals matching your criteria, and 1 example I found is. This is a complex request and suitable only for those who understand trading. Please do not ask what does drawdown, equity, or leverage me...

    $101 (Avg Bid)
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    I'm in need of a talented developer who can help with a consistent, automated web scraping project focused on major companies like Vistara, Air India, Marriott etc Key Project Details: - The primary goal is to extract data for analysis purposes. - Data should be scraped from the targeted sites on a weekly basis automatically. Desired Skills and Experience: - Proficiency in web scraping techniques, particularly for airline, hotels, consumer platforms - Experience with automated website login methods for scraping - Ability to provide a reliable, recurring scraping solution - Strong understanding of data analysis and how to deliver the extracted data in a format that's ready for analysis Your help will be instrumental in ensuring I have the necessary data for my analysis. Looki...

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    I am looking for professional website developer with proper end to end working of website with proper errorless working, errorless payments. -Minimal browsing experience of user. -Proper filters for good user experince. -Proper adding of products in cart and removing from cart. -One time user registration with otp. -Multiple address adding. -Good admin panel for product adding to website. -proper inventory for admin panel with all information of products. - Errorless billing of products - proper categories of products Developer can take reference from websites like souled store, H&M, etc. Any suggestions regarding websites to make it more enhance are most welcome.

    $229 (Avg Bid)
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    I'm in need of a proficient .NET Core and Angular developer. The project entails constructing a secure, on-demand video playback platform with the following features: Note : If you already have sample demo project, in which users cannot download videos through inspect element using any option. Please connect me immediately. • Video Streaming: The platform will host and stream pre-recorded videos. No live streaming is required. • Video Encryption: To prohibit unauthorized access, the videos need to be encrypted. • Secure Playback: It's crucial to me that users won't be able to download videos through inspect elements or any other methods. • User Registration and Authentication: The platform should allow users to register and log-in. Prior experience wi...

    $123 (Avg Bid)
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    I need a developer to create a Wix application that integrates data display features while maintaining a minimalist and clean aesthetic. The specific requirements of this project are: - The application should display specific customer data, class data, and rental data - The application should provide live updates and real-time data - It should have sorting and filtering options for the data display - Customizable data visualizations should be incorporated for users' easy and comfortable navigation The ideal candidate for this project should have strong experience and skills in developing with Wix and Wix Apps, SQL and integrating them cohesively. Understanding the importance of data management and the ability to integrate real-time updates into a simple yet functional interface wil...

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    Necesito una base de datos en la cual, al escanear un codigo qr, se verifique si los datos existen en la base de datos, por ejemplo nombre y apellido

    $155 (Avg Bid)
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    14 bids

    Χρειάζομαι άτομο για τη δημιουργία database σε excel

    $185 (Avg Bid)
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    6 bids

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