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!

De 351,059 opiniones, los clientes califican nuestro SQL Developers 4.88 de un total de 5 estrellas.
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    69 trabajados encontrados, precios en USD

    Necesitamos crear una copia en forma de backup en un segundo servidor de un servidor en produccion de moodle

    $13 / hr (Avg Bid)
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    18 ofertas

    I'm doing a survey in worpress and I need to request data from a SQL Server. In the PDF file you can see more details

    $148 (Avg Bid)
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    56 ofertas
    Oracle Cloud account -- 3 6 días left
    VERIFICADO

    I am looking for an experienced freelancer to assist me with setting up my Oracle Cloud accounts. This will include working with Platform as a Service (PaaS) services, and helping with the registration process for up to five separate accounts. The freelancer should have proven experience in working with Oracle Cloud Services and be able to provide guidance on timescale, best practices and the resources required to get the job done. I'm sure that by working together we can achieve my goal of having all accounts running quickly and efficiently.

    $20 (Avg Bid)
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    2 ofertas

    We are building a prompt engineering interface on ChatGPT. You will be responsible for implementing various features. Weekly sprints Independent. Your project manager is a developer. The platform will likely much longer to build than the current roadmap (3 months), so there is likely opportunity for more work. Skills: PHP, , MYSQL/SQL, and ChatGPT API ideally. Current site:

    $16 / hr (Avg Bid)
    $16 / hr Oferta promedio
    26 ofertas
    Client/Staff Database 6 días left
    VERIFICADO

    I am in need of a freelancer to develop a client/staff database that stores contact information and work history and stuff. The database should also provide automated reporting functionality to generate reports staffing should be inlclude filters, tab and formulars. This should record client demographic, start and end date, location, care plan, and all. This is not a website. Its a simple tool for recording all staff and client details

    $42 (Avg Bid)
    $42 Oferta promedio
    24 ofertas

    Design and implement a Clinic Management System. The system includes two modules: ADMIN and STAFF. Admin is responsible for maintaining the database containing data regarding the clinic. Admin can add, delete, update, and search details of staffs, doctors, patients, medications, and appointments. Admin can also generate the reports of staffs, doctors, patients, medications, and appointments at a particular time. For staff, the following information is required to register: Staff ID, username, password, date of birth, phone number, email address, and employment status (part-time or full-time). Staff can login and can view and update his/her personal details. Staff can also add, delete, update, and search details of doctors, patients, medications, and appointments. Doctor details include Doc...

    $458 (Avg Bid)
    $458 Oferta promedio
    23 ofertas
    Power BI New Project 6 días left
    VERIFICADO

    I am looking for an experienced Power BI expert to create a custom dashboard for data analysis using Excel/CSV files as the preferred data source. The main goal of this project is to produce a visually appealing dashboard that provides insights into our data. The dashboard should be fully customized with custom design and features. I am looking for a freelancer who has experience in creating custom Power BI dashboards with a strong understanding of data visualization and analysis. Ideal skills and experience for this job include: - Expertise in Power BI - Strong data analysis and visualization skills - Experience with Excel/CSV files as a data source - Ability to create fully customized dashboards with custom design and features

    $453 (Avg Bid)
    $453 Oferta promedio
    83 ofertas

    More details: Our Existing ERP is product based, but created it using VB net and Dot net with old architecture, we would like to create a module (as a new project) with the old database connection and create QR for our products

    $98 (Avg Bid)
    $98 Oferta promedio
    8 ofertas

    More details: Our Existing ERP is a product based but created it using VB net and Dot net with old architecture, we would like to create a module (as a new project) with the old database connection and create QR for our products We have the design ready and QR code logic ready. The design and logic files are attached. Required to be completed in 24 hrs

    $106 (Avg Bid)
    $106 Oferta promedio
    9 ofertas

    Hello, I'm looking for someone experienced in both Excel Formula and SQL Query especially SQL Server 2019. The task is to convert excel formula to SQL Data tables and or views for 7 cells that needs to be tracked from end-to-end. The file is in xlsb format I need it urgent in 7 days and have progress at least 2 of 7 point I mentioned in 3 days. The excel has 46 sheets that has to be traced for getting the computed value required

    $17 / hr (Avg Bid)
    Acuerdo de Confidencialidad
    $17 / hr Oferta promedio
    26 ofertas
    Azure ADF 6 días left
    VERIFICADO

    Azure ADF Data Processing Project I am looking for a freelancer who is experienced in Azure ADF data processing. The project involves processing data from a source, such as SQL Server to another SQL server with some ETL. Ideal Skills:

    $20 (Avg Bid)
    $20 Oferta promedio
    6 ofertas

    I need someone to edit my Oracle queries and convert them to Postgres. I am familiar with Postgres syntax and features, but I need assistance with query conversion. There are 1-10 queries that need to be converted. Ideal skills and experience: - Strong knowledge of Oracle and Postgres databases - Experience with query conversion - Familiarity with SQL syntax and features for both databases - Attention to detail and ability to ensure accuracy in the conversion process.

    $12 / hr (Avg Bid)
    $12 / hr Oferta promedio
    11 ofertas

    Manage the contents of the Racks and Pallet Position of the warehouse with barcode and qr code capability

    $541 (Avg Bid)
    $541 Oferta promedio
    44 ofertas

    I am looking for an experienced SQL DBA who can assist me with SSIS DB restore and PowerBI. The database size is between 1GB-10GB and I need default settings for the restored database. The main purpose of the PowerBI report is for sales and revenue analysis. The ideal candidate should have the following skills and experience: - Expertise in SQL DBA and SSIS DB restore - Familiarity with PowerBI and its features - SQL and SSRS have been restored Need for urgent help. If needed we can utilize ongoing but for now, I am only looking for short-term assistance to work with our DBA. Thank you

    $10 - $28 / hr
    Sellado
    $10 - $28 / hr
    18 ofertas
    Problem with sql server 6 días left
    VERIFICADO

    Hello i have create one query and i have double result ? Why ? I have sql server Contact me please

    $21 (Avg Bid)
    $21 Oferta promedio
    66 ofertas
    DOCUMENT AI 5 días left
    VERIFICADO

    DOCUMENT AI GOOGLE . We are looking for people with proven capability document parsing. Database design: necessary tables : A) table for suppliers, B) customers, C) documents (invoices, orders) D) products Define the attributes of each table and the primary and foreign keys to establish the relationships between them. Database creation: Use a relational database management system (RDBMS) such as MySQL, to create your database. Data extraction: Use the information extraction techniques to extract the relevant data from the documents. Machine learning methods to extract the desired information and associate it with the corresponding database tables. Data insertion into the database: Use SQL language or a data import tool provided by your RDBMS to insert the extracted data into...

    $521 (Avg Bid)
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    36 ofertas

    ***** Only Indians **** Position: Full Stack Developer Type: Remote Screen Sharing Duration: Part-Time Monday to Friday 4 Hours a day & 3 Hours a day Salary: 60,000 INR per month & 45,000 INR per Month Start Date: ASAP I am seeking a skilled Full Stack Developer with expertise in Angular, Springboot, Java. The ideal candidate must have experience working with Agile methodology for development. This is a long-term project. We are looking for someone who can work in the EST time zone connecting via remote i.e zoom, google meet on a daily basis to assist in completing the tasks. Here we will be working via screen share remotely, no environment setup will be shared. Required Skills: - AWS - SQL - Angular - Java - SpringBoot - JavaScript

    $492 (Avg Bid)
    $492 Oferta promedio
    44 ofertas

    ***** Only Indians **** Position: Full Stack Developer Type: Remote Screen Sharing Duration: Part-Time Monday to Friday 4 Hours a day & 3 Hours a day Salary: 60,000 INR per month & 45,000 INR per Month Start Date: ASAP I am seeking a skilled Full Stack Developer with expertise in Angular, Springboot, Java. The ideal candidate must have experience working with Agile methodology for development. This is a long-term project. We are looking for someone who can work in the EST time zone connecting via remote i.e zoom, google meet on a daily basis to assist in completing the tasks. Here we will be working via screen share remotely, no environment setup will be shared. Required Skills: - AWS - SQL - Angular - Java - SpringBoot - JavaScript

    $482 (Avg Bid)
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    37 ofertas

    need a ninjatread desktop version edit

    $12 (Avg Bid)
    $12 Oferta promedio
    4 ofertas
    Fix my mysql db 4 días left
    VERIFICADO

    We had a power failure and our db crashed we tried innodb_force_recovery from 1 to 6 but can still not get into the db We need someone who can repair the db Server version: 5.5.68-MariaDB key_buffer_size=134217728 read_buffer_size=131072 max_used_connections=0 max_threads=153 thread_count=0 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 466719 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x0 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x0 thread_stack 0x48000 /usr/libexec/mysqld(my_print_stacktrace+0x3d)[0x5609fe233cad] /usr/libexe...

    $143 (Avg Bid)
    $143 Oferta promedio
    29 ofertas

    I am in need of a Databricks Administrator with experience in Data Science. The scope of our usage will primarily be focused on Data Science related tasks. Additionally, we require assistance with Databricks SQL Analytics. The ideal candidate should be an advanced user of Databricks, with a strong understanding of its tools and features.

    $728 (Avg Bid)
    $728 Oferta promedio
    18 ofertas
    Database admin experience needed 4 días left
    VERIFICADO

    Hi Need Database Admin for support my consultant Indian time 7 am to 8:30 am Tuesday to Saturday 10$/hourly. Payment every Saturday veai payplae Indian time 9 pm.i already have other Indian guys who are working with me for mulesoft support since 2019 to present. can you do data migration using code first method?

    $10 / hr (Avg Bid)
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    23 ofertas
    SpectrumIQ 4 días left

    I am looking for a freelancer with intermediate expertise in data management to help me with my SpectrumIQ project. The main goal of the project is to manage data effectively. I would prefer to use SQL Database as the platform for this project. The ideal freelancer should have experience in SQL and data management. They should be able to organize and manage data, create efficient data structures, and ensure data accuracy and integrity. Additionally, they should have experience in designing and implementing data management solutions that meet the needs of the project.

    $740 (Avg Bid)
    $740 Oferta promedio
    9 ofertas

    I'm looking for an experienced web developer to build a sophisticated webapp. The primary purpose of the webapp will be to analyze real estate data. I have a specific set of programming languages and frameworks in mind that I would prefer to use for this project, such as Python/Django. With this project I'm hoping to find a capable professional who can work well with these tools and create a user-friendly application that provides meaningful information and insights about the real estate market. The webapp should be stable and secure and should run smoothly on all major web browsers. In addition, the webapp should also be compatible with mobile phones and tablets. If you think you’re the perfect individual for this job, I’d love to hear from you.

    $527 (Avg Bid)
    $527 Oferta promedio
    43 ofertas

    I am looking for a skilled asp.net developer to create a Tours and Travels Project for me. I am looking for a developer who can complete my university project asap, I have a preference for using SQL Server as the database system. I am looking for a developer who can complete the project in less than 5-10 days. Experience for this job includes: - Expertise in asp.net development - Package Tours - Car Rental Service - Information Desk - Problem Definition - Sales Analysis - Experience in working with SQL Server databases - Ability to deliver high-quality work within a tight timeline.

    $270 (Avg Bid)
    $270 Oferta promedio
    12 ofertas

    I am looking for a skilled professional who can help me with my project titled "Informatica Cloud Services ETL jobs". I need someone who has experience in working with Relational Databases and can perform Aggregation transformations on the data. The extracted data needs to be loaded into a Data Warehouse. Ideal Skills and Experience: - Experience with Informatica Cloud Services - Knowledge of Relational Databases - Expertise in Aggregation transformations - Experience in loading data into a Data Warehouse If you possess the required skills and experience, please contact me to discuss this project further.

    $14 / hr (Avg Bid)
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    21 ofertas

    I am looking for a skilled developer who can create a SQL database with a web interface in Visual Basic for my customer database. The purpose of this project is to assign tasks to different employees, so I need a database that can track employee task assignments and progress. Ideal Skills and Experience: - Proficient in SQL and Visual Basic - Experience with creating web interfaces - Ability to customize and add extensive features to the web interface - Strong attention to detail and ability to create a user-friendly interface The web interface must be advanced with extensive features and customization, allowing for easy task assignment and progress tracking. If you have the necessary skills and experience, please submit your proposal.

    $512 (Avg Bid)
    $512 Oferta promedio
    56 ofertas

    I am looking for a freelancer to implement a wireless networking system for my small network of 1-10 devices. The ideal candidate should have experience in wireless network implementation and configuration. The project will focus on the following areas: - Wireless Network Implementation: The freelancer will be responsible for setting up and configuring the wireless network for my small network of devices. - Network Security: The freelancer should have a good understanding of network security and should be able to implement appropriate security protocols to ensure the network is secure. - Troubleshooting: The freelancer should also be able to troubleshoot any issues that may arise during the implementation process. Skills and experience required: - Experience in wireless network implemen...

    $120 (Avg Bid)
    $120 Oferta promedio
    17 ofertas

    I need a ninja expert who will solve my issue

    $6 / hr (Avg Bid)
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    11 ofertas
    Java developer 3 días left

    I am looking for an experienced Java developer to help create a mobile application within a two-day timeline. The project requires expertise with Springboot as our preferred development platform, leveraging the application to create a fully functional mobile application from scratch. With the target platform being a mobile device, the software engineer will need to be familiar with the nuances of developing for such a platform to ensure an end product that offers seamless user interactions and gorgeous visuals. Attention to detail is a must, as the finished product needs to meet high standards of quality. If you are up for a challenging project with a strict timeline, then this is the ideal opportunity to showcase your skill set and develop something truly remarkable.

    $15 (Avg Bid)
    $15 Oferta promedio
    9 ofertas

    I will attach the full project description in a word document but to keep it simple, I require a Report, Feasibility Study, COCOMO II Estimation, Application of security measures within a docker container such as Firewall, Encryption, Authentication etc as well as a video tutorial of how to deploy the docker container application. The most important part of the project is the Report, Feasibility Study and COCOMO II Estimation as it is important to explain the Advanced Analysis and Design when it comes to implementing the Security Features. I will also attach the template for the feasibility study and COCOMO II estimation spreadsheet.

    $177 (Avg Bid)
    $177 Oferta promedio
    22 ofertas

    I'm looking to design a user-friendly Microsoft Access Database UI to help manage my employee data. I prefer the user interface to have a detailed and comprehensive design with multiple features, allowing a wide range of functionality and usability. Specifically my desired features include the ability to view employee information, as well as other functionalities such as editing employee information and generating reports.

    $49 (Avg Bid)
    $49 Oferta promedio
    12 ofertas

    I will attach the full project description in a word document but to keep it simple, I require a Report, Feasibility Study, COCOMO II Estimation, Application of security measures within a docker container such as Firewall, Encryption, Authentication etc as well as a video tutorial of how to deploy the docker container application. The most important part of the project is the Report, Feasibility Study and COCOMO II Estimation as it is important to explain the Advanced Analysis and Design when it comes to implementing the Security Features. I will also attach the template for the feasibility study and COCOMO II estimation spreadsheet.

    $559 (Avg Bid)
    $559 Oferta promedio
    49 ofertas
    tally work 3 días left
    VERIFICADO

    I am in need of a freelancer who can assist me with inventory management for my business. Specifically, I require someone who can accurately record stock levels on a daily basis. The ideal candidate should have experience in inventory management and be proficient in using Tally software. Tasks: - Record stock levels on a daily basis - Ensure inventory is up to date and accurate - Generate reports on stock levels and sales - Assist with managing purchase orders Skills Required: - Experience in inventory management - Proficient in Tally software - Attention to detail - Strong organizational skills Experience Required: - 2+ years of experience in inventory management - Experience with Tally software - Experience working in a fast-paced environment If you have the necessary s...

    $10 / hr (Avg Bid)
    $10 / hr Oferta promedio
    15 ofertas

    I am looking for a skilled developer to create a TCP Server Listener with MSSQL integration and Config Tool. The purpose of the listener is to capture real-time communication strings from clients. The Data string should get stripped and the fields written into MSSQL DB or XML Text File. I want to be able to configure the String Fields, SQL server address, logon, password, tablenames etc. I have a rough idea of the MSSQL database schema, but I am open to suggestions and guidance from the developer. The TCP Server Listener should be developed using C#. The ideal candidate should have experience with C# programming, MSSQL database integration, and real-time communication protocols. Strong communication skills and attention to detail are also important.

    $485 (Avg Bid)
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    35 ofertas

    We need Python, Snowflake, SQL experienced developer to work for 2 hours a day remotely. We will give 25 to 29k per month. Should know all the technologies and 6yrs experience

    $312 (Avg Bid)
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    19 ofertas
    PHP to . Net core conversion 3 días left
    VERIFICADO

    I am looking for a skilled developer who can help me convert my medium-sized PHP application to .Net Core. This project is for personal use only. The ideal candidate should have experience with PHP and .Net Core development. The application consists of 10-50 pages, and I would like to migrate the existing database to .Net Core as well. The database is critical to the functioning of the application, so I need someone with experience in database migration and management. If you have experience with PHP and .Net Core development, as well as database migration and management, please send me your proposal. I am looking forward to working with you.

    $605 (Avg Bid)
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    27 ofertas
    SQL Server Query -- 2 2 días left
    VERIFICADO

    SQL Server Query to with logic for calculated fields. Ideal Skills and Experience: - Proficiency in SQL Server - Experience with data retrieval - Ability to create efficient queries

    $29 (Avg Bid)
    $29 Oferta promedio
    58 ofertas

    Need someone who can build AI Code Converter which converts SCALA Scripts to SQL Scripts. It should be purely develop in python and use AI for the conversion. It is straight forward where user will provide script and ai converter will convert it to SQL. No need of any UI, we can pass folder path or file path to program.

    $140 (Avg Bid)
    $140 Oferta promedio
    19 ofertas
    Algorithmic trading machine 2 días left
    VERIFICADO

    I need an algorithmic trading machine that will able to trade: •Stocks/futures/options/fx •trade types: scalps, swings, short, long • add the ability to backtest the strategies, and alerts for the strategies •including trading strategies such as: ATM strategy for options, Spreads strategies for option, Greek strategies for options, Combined indicator strategies for stocks (SMA'S, EMA'S, MACD BOLLINGER ETC.) • I will have the option to chose the amount of risk in the trades, and another option that the machine could do it automatically if I didn't chose any risk amount. • the machine will also include a Stock screener, that the Algo could automatically scalp and trade stocks that look good from the screener (before breakouts e...

    $4207 (Avg Bid)
    Local
    $4207 Oferta promedio
    15 ofertas

    Please read the details of my project and evaluate your competency before responding. I respectfully ask that you do NOT send me a generic response without first reading through the details and ensuring you are actually competent with the requirements. Hello, I am looking for an experienced specialist to help me with the integration between nopCommerce and Sage 300 CRM. I am seeking development assistance to do some e-commerce integration with Sage 300 CRM. I have already set up both systems and they are working independently. Now I am in need of assistance in getting them to communicate effectively. I have a website, built with NopCommerce (a .NET e-ccommerce platform), and need to do some integration with our on-premises sage 300 CRM system to ensure product availability and pricing ...

    $178 (Avg Bid)
    $178 Oferta promedio
    10 ofertas

    Looking for an Adobe Illustrator Map Publisher Plugin Specialist who can help me publish a specific map in AI format for print and digital wayfinding purposes. The ideal candidate should have experience in creating and publishing maps using Adobe Illustrator Plugin and should be able to provide high-quality output. The project requires attention to detail and accuracy to ensure the map is published correctly for print from a GIS database

    $2595 (Avg Bid)
    $2595 Oferta promedio
    31 ofertas
    Daily Expense Tracker Website 2 días left
    VERIFICADO

    I am looking for a skilled web developer to create a daily expense tracker website for my new enterprise. The website must include expense categorization features to help me keep track of my business expenses efficiently. Skills and Experience: - Proficiency in web development languages such as HTML, CSS, and JavaScript - Familiarity with web development frameworks like React or Angular - Experience with database management systems like SQL - Knowledge of server-side languages like .net web api In terms of third-party integrations, I don't require any payment gateways or bank account syncing features. Overall, I am looking for a clean and user-friendly design that will allow me to easily track my daily expenses and help me make informed business decisions.

    $171 (Avg Bid)
    $171 Oferta promedio
    30 ofertas
    Microsoft Access DB error 2 días left
    VERIFICADO

    I have access file i moved it from one PC to another ,when i login it works but when i try to add it give an error "The OpenForm action was cancelled " i need to solve this problem

    $20 / hr (Avg Bid)
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    31 ofertas

    It’s full stack Java Developer with 60-70 per back end and 30-40 per front end. I need tasks to be done in time and with good outputs

    $547 (Avg Bid)
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    62 ofertas
    database project 2 días left

    I am looking for a freelancer to create a database that will store customer information for my business. The ideal candidate will have experience with SQL database management systems and will be able to assist with data migration. The project requires the following: - Creation of a database to store customer information - Use of SQL database management system - Assistance with data migration from an existing system to the new database The successful freelancer will have experience in SQL and data migration, and will be able to deliver a high-quality database that meets my specific requirements.

    $318 (Avg Bid)
    $318 Oferta promedio
    52 ofertas
    sql database 1 día left

    work has to be done on the sql database on the website

    $83 (Avg Bid)
    $83 Oferta promedio
    31 ofertas
    An AI project about chatgpt 1 día left
    VERIFICADO

    An AI project about chatgpt, I have purchased the source code and complete installation instructions, but I don't have the time, I hope an experienced friend can help me deploy this website

    $145 (Avg Bid)
    $145 Oferta promedio
    48 ofertas

    I need a freelancer to make some reports in Qliksense from a sql express database. Specifically, I am looking for accurate and concise summary reports that adhere to a specific template I will provide. I am expecting 1-3 finished reports in order to fulfill my needs. Experience with QlikSense and SQL Express is necessary, and knowledge of database management processes is a plus. If you think you have the skills and qualifications necessary to complete this project, please apply!

    $191 (Avg Bid)
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    20 ofertas

    answer the question in attached file.

    $45 (Avg Bid)
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    28 ofertas

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