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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    Looking for dedicated Developer 6 siku left
    DHIBITISHWA

    Hi, I have multiple projects which is based on .Net. Interested person only contact me. Details will be shared with the selected candidate. Regards, Dipak

    $187 (Avg Bid)
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    21 zabuni

    .NET MVC 5 ile yazılmış (Veri tabanı: MSSQL) Ecza deposu ERP programımızdan, 4 adet eczane otomasyon programına E-fatura iletmek için Web servisi yazdırmak istiyoruz. 4 adet eczane otomasyon programının url'lerini belirtiyorum. 1) 2) 3) 4) * ERP programımızdan bu 4 adet eczcane programı ile uyumlu, E-fatura aktarımı yapabilmek için web servisi yazılmasını istiyoruz

    $26 (Avg Bid)
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    4 zabuni

    As per our project scope, we need to save the data from the primary server to the secondary server. However, In the secondary server, the field of date-time is considered the same server system date-time. According to the requirement Need to pass the value of date-time parameters from the primary to the secondary server. Find strings in multiple tables of the Database. Hence, I would like to request you please do the needful for the same. please let me know if you have any concerns.

    $50 / hr (Avg Bid)
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    11 zabuni

    I am a bit familiar with influxdb 2.0, but I am having a little issue. I have some difficulties to fix it up. I need someone to handle this task

    $123 (Avg Bid)
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    19 zabuni

    I am looking for someone that is an expert at creating Dev Express Reports with the Report master tool. I have existing software that is written with Dev Express C++. Some of the reports have already been created. These reports would just need to be modified to a more modern look. I would also like to talk about adding more reports if possible. If I choose you to work with this is how it would work. I would send you a copy of the software, You would go to the admin>reports and create 1 report. You can export the database and send it to me to load on my software. I can review the report to see if it is what is needed. Please only reply if you have experience in this type of work. Give me an estimate to upgrade 1 existing report.

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    30,000 Foot View On Air: At Air, we are obsessed with creating magical products that will make our future grandkids proud and that cause our customer’s faces to light up. We are currently working on a suite of products that help businesses scale rapidly… from a fintech platform that facilitates high ticket purchases, to a conversational AI that can have full-blown 25 minute sales calls and is indistinguishable from a human. Because of our customers' love for our products, we’ve generated $9.7MM+ in revenue since launching Air 71 days ago ($50MM/yr pace w/o a dime of VC capital) What We Are Looking For: We are looking for a general tech wizard to help with a ton of different special projects. You'll be working directly alongside the co-founders solving challeng...

    $60133 (Avg Bid)
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    20 zabuni
    Database Security 6 siku left
    DHIBITISHWA

    Module Learning Outcomes The following LOs are achieved by the student by completing the assignment successfully 1. Evaluate techniques used to ensure security in a database-oriented information system. 2. Manage user access and user profiles within a complex and DBMS. 3. Conduct database audit. Assignment Objective 1. Understand the security attacks in the database. 2. Create database security auditing plan. 3. Implement user management controls to achieve security requirements. Write assignment

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    MySql Expert 6 siku left
    DHIBITISHWA

    Hello I need mysql expert within DB and hosting.i have files,i will share it .it is simple work if you are check and solve my problem. Thank you

    $14 (Avg Bid)
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    31 zabuni

    SQL - EXCEL Link for Navision General Ledger Entries with Balance and Full Record I need one excel file with SQL link to Navision and full scope General Ledger Transaktions

    $161 (Avg Bid)
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    23 zabuni
    File Sharing Database System 5 siku left
    DHIBITISHWA

    Description on document attached.

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    90 zabuni

    I'm looking for an experienced professional to build a school management system that focuses on student database management. The system should store student records and be designed with the ability to interface with any existing school systems in the future. It is important that the system is secure and organized, designed to provide seamless data access and tracking of student information. I'm looking for someone who can implement efficient processes to facilitate quick data input and retrieval, ensuring that all stored information is accurate and up-to-date. The developer should have extensive knowledge of database design to ensure functionality and optimization for the system.

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    25 zabuni

    Build a chatbot to teach various data engineering concepts. The topics of teaching include SQL Programming, Data Modeling, Data Visualization, ETL, Data Analysis, etc. Details on what each concept should cover will be provided. The responses should include videos, code snippets, etc. The objective is to build a chatbot to make learning complex topics simple. Need the ability to scale the bot to add new topics in the future, like Data Science, Statistics, etc. Finally, looking to build both a web page and a mobile app for the chatbot, but can focus on the web page to begin with.

    $26 / hr (Avg Bid)
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    14 zabuni

    The project is written in C# (Microsoft Visual Studio 2013 or Its later version) as front end , Microsoft SQL Server database as back end with Crystal Reports. I would like to make some modifications to the program 1- The product number (or any way to protect the program from copying on multiple computers). The goal is to activate the product on one or two computers so that the program does not work when copied by the customer to another computer. 2- Print invoices after the sale process via a thermal printer with a printer selection page and print paper settings 3- Modify the barcode printing page and make it possible to choose page dimensions and printer type 3- Adding the feature of selling by installments (payment in stages, such as every month or date, when the customer pays part ...

    $51 (Avg Bid)
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    13 zabuni

    I want to stored a trained .h5 model in SQLserver and be able to use it to predict future data

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    Hello everyone! I am currently looking for a developer for a FiveM project in an associative declaring structure. I suspect that DEVs are a rare commodity, but I take the liberty of throwing a bottle into the sea which, with luck, will find a recipient. I'm looking for someone with experience who can get involved over the long term, see very long term! Remuneration is of course considered, our association would like an estimate on the project in view of these ambitions Thank you for your attention and see you soon, my PMs are here for more explanations!

    $548 (Avg Bid)
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    Sql serveice reporting service 4 siku left
    DHIBITISHWA

    I want to implement SSRS and integrate with my web based application

    $281 (Avg Bid)
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    I have SQL code that attempts dynamic SQL but it fails on error of 256 k limit. It also has INSERT INTO SELECT to set a current row; it then loops through current row; needs to set variables; builds dynamic sql; breaks loop when we have no more current row. I need this within a couple of hours, so i need an EXPERT. If you are certain that you are the Expert and can do this in a couple of hours, I'll pay you upon delivery. I do not have time to waste and I will not pay if you do not deliver the code. Hoping for that special someone who can kick snowflake butt. thank you super much for helping! Please look at attached code & table structures. If you get it to work let me know.

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    Oracle sql tuning - DB Tuning 4 siku left
    DHIBITISHWA

    Oracle SQL Tuning, Tuning 4 oracle Exadata queries that's taking 3-4 minutes to run to make it to run in less than 30 seconds.

    $123 (Avg Bid)
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    20 zabuni
    Access VBA Development using ADO 4 siku left
    DHIBITISHWA

    Need a simple Access UI to connect to the back end sql server databases using 1) ADO Connection 2) Ability to Save the connections in the Local Database 3) Data Select and DML operations 4) Pass Through Queries Execution

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    I am looking for an experienced Data Warehouse Consultant with banking knowledge and experience to provide Ongoing Support for a project I am working on. I have selected the SQL Server platform but it is not absolutely necessary should you have other options that can serve my needs better. I am aware that regulation in the banking industry may be an issue, but for this particular project, no specific regulations are necessary. This is an ongoing support role and looking for someone who can provide expertise and insight into the design, development and maintenance of the data warehouse.

    $20 / hr (Avg Bid)
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    29 zabuni
    Magneto 2 SQL error 4 siku left
    DHIBITISHWA

    In line 144: SQLSTATE[HY000] [1040] Too many connections In line 128: SQLSTATE[HY000] [1040] Too many connections

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    Alexandros.Mdb 4 siku left
    DHIBITISHWA

    One of our clients has many Access 2003 databases which they have adjusted many times. They would like to make some changes to these 2003 Mdbs and after all of their 2003 Mdbs have been adjusted they would like to upgrade all of their difference Access database to Access 2007.

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    I need a ColdFusion programmer who can administer and maintain a legacy CF application currently using CF 10, SQL Server 12, and Dreamweaver v11 (or a different type of application interface, if desired). The application needs to be set up in a sandbox on the development computer. Maintenance requirements are minimal and involve updating CF HTML primarily with little or no programming. After the goal listed above is accomplished, we will entertain a quote to upgrade the application to current versions of CF and SQL server.

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    10 zabuni

    Hi, I have an existing application which is developed on .Net 4 and we are planning to implement the new design/Theme based on the existing code. Detailed discussion will be done with the interested candidate. Feel free to contact with me. Regards, Dipak

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    I have a current project and i want to set it up on local pc and link to sql and php api so that i can work and debug locally.

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    I have an sql server which i pull service-related data from in power bi. its all organized in tables now. im looking for a person who can zoom call IMMEDIATELY right now for maybe an hour or two. Open to pay negotiations if you can REALLY help me. must know at least dax.

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    .Net Developer 3 siku left
    DHIBITISHWA

    I'm looking for experinced .Net Developer based on Egypt to provide support for existing applications for 2 weeks only. - 5 Yrs plus in MS Technology, SQL/C#/JS/SSRS

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    Hola! La web es: Parece que tengo un virus o algo funcionando mal (No debería ser porque no tocamos la web) lo que sí es que derrepente te sale la pantalla de terror: "Error al establecer conexión con la base de datos" Además que se usa 15GB de RAM, 50% o más del disco de un MEGA servidor de Clodudways que NO es compartido, osea sólo nuestro.. Y está re lento al buscar pedidos, o cualquier cosa literal. Aparte quiero: 1- Saber que ocurrió. 2- Si es un VIRUS, las mejoras para que ya no suceda. 3- Mejorar velocidad de la web en general como administrador y también como cliente.

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    21 zabuni

    Our company is currently seeking a skilled Tableau Developer and Power BI Expert to join our team. As a data visualization specialist, you will be responsible for developing and implementing visualizations, reports, and dashboards to help us gain valuable insights into our data. Responsibilities: Design and develop data visualizations using Tableau and Power BI Create and customize dashboards to meet business requirements Generate reports and automate report generation processes Analyze data, create data models and integrate and transform data from multiple sources Optimize performance and troubleshoot issues Collaborate with stakeholders to identify business needs and design solutions Requirements: Proven experience in developing visualizations using Tableau and Power BI Strong knowled...

    $15 / hr (Avg Bid)
    Il'ohusishwa
    $15 / hr Wastani wa Zabuni
    31 zabuni
    SQL Server Blocking issue 2 siku left
    DHIBITISHWA

    Hi, I need your help to optimize SQL Server performance issue.

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    My project is a spam classifier system built with a serverless platform and using a Naive Bayes algorithm. We are looking for an experienced developer to create the system using Python. The serverless platform will make the system highly scalable and cost-effective, while the Naive Bayes algorithm will maximize accuracy and speed in detecting potential spam. The engineer will be responsible for designing, building, and testing the system, using Python and any necessary third-party APIs to ensure proper functionality. Additionally, they must ensure that the system works seamlessly with the existing systems and data sources. We anticipate this project will take a minimum of two weeks to complete, depending on the complexity. As appropriate, the engineer must document their code and provide...

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    SQL + vb.net projekt 2 siku left
    DHIBITISHWA

    I'm looking for an experienced professional to help me with a SQL + VB.net project. The main language for the project will be SQL and I am unsure if I will need help setting up the database. User interface design assistance is not needed, but I am open to suggestions from the successful freelancer. The project requires knowledge of the latest SQL coding techniques, as well as experience working with VB.net and developing user-friendly interfaces. Successful completion of this project demands a high level of organisation and communication between invited freelancers and me. If you have the experience and skills, please consider bidding on the project.

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    12 zabuni

    We are looking for a simple "CRM like" asp.net based web page/application with user logins. Application should read & write data into a database i.e. view, modify & create entities. For starters, entities will be Customers, Projects, Users. Database model will be provided as a part of specification. Application will be hosted on azure web app service. Branding and visual "eye candy" is out of scope. Application needs to be created & written in a sense that it can be easily scaled up.

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    75 zabuni

    Looking for Remote - Power BI Developer - Full time Contract Experience - 10-12 years Job Description: Power BI Dashboards(MOQ, Retail, Camp Master, P&L), • Yardi Orion BI Dashboards(on SQL DB) • MOQ – POS Connectivity for New Tenants on .NET based Program. • Other Automation Programmes Support to the RPA Specialists Must Haves • Advance SQL query writer, tsql, ddl,dml • Power bi , DAX ability, • API read and write information, (postman, etc) • Basic C#, Python read and understandable

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    10 zabuni

    Se necesita que se relaice lo siguiente Boton de eliminar no elimina (solamente funciona en categorías) -no muestra usuarios, empleados y clientes una vez que se agregue uno nuevo de cada sección. -debe de tener un lector de códigos barras para los productos. (los productos una vez pasen por el lector muestre el producto) -realizar corte de caja diariamente semanal y mensuales de las ventas -realizar un reporte de ganancias de las ventas realizadas..

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    Database Project 2 siku left

    Drawing B+ and B- trees and knowledge on hash table buckets can be really helpful. New freelancers needed

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    7 zabuni
    Database Expert 2 siku left
    DHIBITISHWA

    Here's a simple flow leading form a mobile base in website.i have sample.i need database also.

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    18 zabuni
    DBA expert needed 2 siku left
    DHIBITISHWA

    I'm looking for an expert DBA to help with a project related to moving data from an existing MySQL-based database to a new database system. Both database have different structure, table and datatype. I'm looking for someone with experience and expertise in MySQL, as well as a strong knowledge of best practices when it comes to data migration. Ideally, the candidate should have experience working on project-based tasks and be able to provide clear timelines for completion of the project. If you think you would make a great fit for this project, please don't hesitate to apply!

    $70 - $100
    Imefichwa
    $70 - $100
    16 zabuni

    I need to move data around from an existing database into other databases and api sources

    $26 / hr (Avg Bid)
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    I am looking for someone to help me with a project involving sql (Structured Query Language). I don't need help writing a query, but I don't have an existing database nor do I have the structure set up. I also do not need help creating stored procedures. The project does not involve any of these tasks. I simply need somebody to help me with sql for a particular project.

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    VISUAL BASIC EXCEL 1 siku left
    DHIBITISHWA

    I NEED TO CREATE A REGISTRATION FORM, TO CREATE BOMS USING A DATABASE.

    $139 (Avg Bid)
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    I'm looking to hire a freelancer who can help me with Oracle SQL Query Tuning and improve Oracle Performance. I will be using Oracle Exadata Database and therefore the successful freelancer should have prior experience working with these versions. The specific work required is Ad-hoc Query Tuning so the applicant should include relevant past work and experiences as part of their application. Detailed project proposals are also appreciated. Scenario: 4 Oracle SQL Queries that we have taking time anywhere from 3-7 minutes and wanted these to be running in less than 30 seconds. So require some one with Oracle SQL Performance Tuning Expertise to rewrite the query or Add any DB Configuration or Indexes or other Performance enhancement tips to cut that runtime down to 30 seconds or less. ...

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    Database Project -- 3 1 siku left
    DHIBITISHWA

    Drawing B+ and B- trees and knowledge on hash table buckets can be really helpful.

    $26 (Avg Bid)
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    16 zabuni

    I am looking for Freelancer with good Technical skills in ASP.NET. Only the serious developer and must have good knowledge in asp.net and can work long terms on task basis. Regards!

    $33 (Avg Bid)
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    13 zabuni

    I am looking for Freelancer with good Technical skills in ASP.NET. Only the serious developer and must have good knowledge in asp.net and can work long terms on task basis. Regards!

    $57 (Avg Bid)
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    11 zabuni

    Hello. I am finding ASP .NET Core API developer who know CQRS pattern. This is full time position. Please tell me your availability per week.

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    77 zabuni

    I would like a clean installation through the release files. I've considered some of the installer packages but would like a clean installation. The installer packages use mySQL as a back-end which I don't want. I've attempted the install and ran into incompatibility issues with certain gems through Ruby on Rails. I would ideally like a walkthrough on it. Where i can replicate the steps. Instructions here but I think I'm using the latest gems, ruby and ruby on rails:

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    Person should have experience in Java 11 AWS - lambda, S3, Postgres SQL, IAM Lambda should be written in Java 11 corretto.

    $7 / hr (Avg Bid)
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    Hi, please read my requirement carefully and bid on my project only 5+ year experienced candidate in ASP.Net core, MS SQL Server. Requirement: 1) Tax Regime Form, Tax definition form for GST Setup and a Item Tax class form 2) Develop a procedure at backend which can be called to apply accounting (accounting double entry fession): 3) Develop a price list form: description - Price list form should have two major sections ( A: Master- in which we will declare price list header level details like Price List short Name, Description, Start Date, End Date, Enabled Flag, Global Discount etc. B: Detail- Here will assign all types of items (Goods and Service Type item), Rate, Start date, End Date, discount etc. 4) Integrate this new price list form with existing sales and purchase orde...

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    Makubaliano ya Kutotoa Taarifa
    $430 Wastani wa Zabuni
    9 zabuni
    $54 / hr Wastani wa Zabuni
    18 zabuni

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