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!

从358,423个评价中,客户给我们的 SQL Developers 打了4.87,共5星。
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    71 份搜到的工作,货币单位为 USD

    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.

    $33 / hr (Avg Bid)
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    SQL to Oracle Migration 6 天 left
    已验证

    I'm looking for someone to provide a solution for a database conversion from SQL to Oracle. I do not currently have an Oracle database in place, so this project requires creating a new database and transferring the existing data from SQL to Oracle. More specifically, I need the structured data to be migrated. The ideal freelancer will have experience with database management and be familiar with both SQL and Oracle databases. If you think you are the right fit for this project, please submit a bid outlining your qualifications and experience.

    $156 (Avg Bid)
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    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:

    $33 (Avg Bid)
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    4 个竞标

    Need Oracle expert and python and also minimum 3 years of experience in IT . Small task just plug and play the code. Old query replace with new query.

    $10 / hr (Avg Bid)
    $10 / hr 平均报价
    4 个竞标

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

    $8 / 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...

    $464 (Avg Bid)
    保密协议
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    $54 / hr 平均报价
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    by exident I reinstalled my forum. I have the SQL database with all categories ect. Can someonme help me fix it ?? to inplent again!!

    $424 (Avg Bid)
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    Sql server database backup job position We need a responsible hard worker that delivers results in a timely manner and that respects time estimates and pre agreed goals. A remote job cannot work properly without time / results discipline. Able to work remotely and independently making changes visible worldwide for peers from all over the world. Need to be free from other projects / family issues at least 10 hours a week. A few hours every week day to not miss with responsabilities. End of the week chat or live call required to keep up the project and avoid time lapses of no improves. New backend loader responsabilities: Backup DBs. And upload them if needed Install software in new servers. Able to install LAMP or equivalent smoothly. General mantainance of site's versions Updating m...

    $24 (Avg Bid)
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    Create a database 6 天 left
    已验证

    I have several realestate documents of realestate pin numbers and lot number owned by several owners. We are looking for someone to transpose from the paper print outs and list the owner names, the pin number and the lot numbers associated by owner. In other words, we are looking for the number of lots owned by each named owner. What owner names are associated to lots and pin numbers.

    $224 (Avg Bid)
    加精
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    I am looking for an expert in PostgreSQL Database Development to work on a project for me. This project involves the use of a PostgreSQL relational database to handle user entry data and other information. The project will require a single individual with extensive experience in designing, programming and administrating this type of database in order to ensure the most effective and efficient output for the user. Good coding practices and knowledge of standards and conventions within the PostgreSQL environment are essential. The individual will also need to be able to follow instructions and deliver results on tight deadlines. Attention to detail and a commitment to quality are also a must. If you possess these skills and feel like you are up for the challenge, I’d be delighted to co...

    $91 (Avg Bid)
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    13 个竞标
    parse json data in snowflake 6 天 left
    已验证

    Hello all, I want to parse json data in snowflake with iterate, without defining the column name.

    $10 (Avg Bid)
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    Will need to screen-share to be coached in realtime while completing the assessment. If that sounds like your interested. Give me a shout!

    $16 / hr (Avg Bid)
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    Make my app a PWA 6 天 left
    已验证

    I am looking for a web developer to help me turn my app into a Progressive Web App (PWA). My app needs to be supported on the browser platform, and should be offline capable. A key element of the project will be to implement dynamic data into the PWA, making sure it works in all conditions. Features I'm interested on: Full responsiveness Push notifications Install icon message Offline Remember me option or something similar to keep me login I have SSL certificate The app is already working, Find on Github I would like to add, manifest, configure service worker and and just the necessary files. I wouldn't like to start all over or working on some framework. I found something similar that I think it might help If you believe that you have the experience and skills needed to...

    $174 (Avg Bid)
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    SAP ABAP course teacher 6 天 left
    已验证

    I need an ABAP programmer teacher to do a course. The course is remote and for 4 people, full time for 1 month 4 hours a day. The basic fundamentals of ABAP should be taught. If interested, I'll send and share the course schedule. The teacher will have to be on call for 4 hours a day and speak in English to a class of 4 people. We expect the course to start within 10 days.

    $9 / hr (Avg Bid)
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    Hi, We are looking for expert who could help us get data on existing report in SQL server reporting services & microsoft report builder, 2 reports are currently not returning data suddenly everything is intact, we are using SQL server 2016. SQL query in dataset is not returning data as of now. connection string / some connection dataset or queries needs to be checked. There is a table created by our team in SQL 2016. We need help in getting the data from database.

    $111 (Avg Bid)
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    i need someone who is good at ERD, 3NF, Data dictionary, SQL scripts use of ER modelling

    $23 (Avg Bid)
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    13 个竞标

    Need Oracle expert and python and also minimum 3 years of experience in IT . Small task just plug and play the code. Old query replace with new query.

    $6 / hr (Avg Bid)
    $6 / hr 平均报价
    10 个竞标
    Sql server programmer 6 天 left
    已验证

    I need a good sql server programmer to be my right hand man , I have multiple projects small and big .I just need someone that knows SQL not bid if you haven't read the description ,you will be denied

    $23 (Avg Bid)
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    I am looking for an experienced Oracle SQL and Python expert who is comfortable working at an intermediate level. The ideal candidate should have experience in a similar position, and should be able to demonstrate their ability to fulfill this role. The deliverables of the project will be SQL scripts that are built to accomplish a specific goal. This can involve automation of existing databases, as well as writing and improving existing ones. The successful freelancer will also be expected to perform data analysis and create reports from the results. For consideration, please include relevant experience, detailed project proposals and also past work in your application.

    $11 / hr (Avg Bid)
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    Hi I need to do the certificate for ifs supply chain practitioner. Need your help if you can. I am sending you the sample questions. If you think you can work on this let me know. You just need to know how use the ifs application.

    $12 / hr (Avg Bid)
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    I'm looking for an Oracle SQL and Python expert to help with a personal project I am working on. I have existing materials that need to be modified and utilized for the given project. The amount of time needed for this project should not exceed 2 hours. This project is for personal use and does not involve starting a new enterprise or working for an existing business. I am a knowledgeable user of SQL and Python, but am looking for someone who may have more experience to give me some extra guidance in completing my project with these languages. If you are an experienced Oracle SQL and Python programmer, I would greatly appreciate your assistance. If you are able to help complete the project in under two hours, please reach out to me and let's discuss further!

    $8 / hr (Avg Bid)
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    I am looking for an experienced PHP developer to help me with an automation project involving Microsoft Excel. I need to be able to customize the Excel sheet to a high degree, so that it properly pulls data from formulas and calculations. This is a critical project for me, so the ideal candidate will have experience in automating data from Microsoft Excel.

    $85 (Avg Bid)
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    Analysis of changes and massive update of data between two tables of agricultural parcels with a common field. Work environments: GIS, ms access, SQL and python.

    $17 / hr (Avg Bid)
    $17 / hr 平均报价
    40 个竞标

    I am looking for an automation anywhere and SQL expert to help with a one-time project. The scope of the project is designed to be completed within a week. My team is not sure whether we have an automation anywhere or sql expert already present. If you have the expertise, I would love to hear from you.

    $502 (Avg Bid)
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    Neo4j project -- 3 5 天 left
    已验证

    I'm looking for an experienced Neo4j freelancer to help me with a project. The goal is to create a new data model in Neo4j that will allow us to visualise our data. I will provide the data and all necessary documents; the freelancer's job will be to build the model and bring it to life. I'm looking for someone with a strong background in data modelling, preferably with experience working with Neo4j. This will require a deep understanding of Neo4j structure and features and the ability to create custom queries, models, and visualisations as needed. If you're up for the challenge and think you can help, I'd love to hear from you. Please note that payment is gladly made but only after completion of each milestone.

    $116 (Avg Bid)
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    Warning: Only working directly with Developers only No third parties or Sales Guy or CEO prohibited on this project: will be reported n case of violence: most of the bidders are just time wasters so please make sure you are not one of them dum persons. thanks we are looking Expert in Vue JS - Front End - Web API .Net core and good knowledge of handling web api .net core and store procedure this gonna be a long term project for a right and skilled dev we are looking, so no time wasters please bid only if you are skilled full because technical screening will be done before hiring over here. we have project just started and right candidate expection is to grasp and get going on it we are easy going company and only required a quality and on-time results that is it. we do throw bonuses based ...

    $34 / hr (Avg Bid)
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    Looking for a dynamic innovative Database developer who has experience working on both SQL/No-SQL Must have Familiarity with SQL, MongoDB and NoSQL data models Must have experience working on Domain Driven Architect Job is to: 1. Understand Business 2. Create Schema, Database Model on SQL 3. Create Catalog/Data models on MongoDB (NoSQL) using SQL as a source

    $26 (Avg Bid)
    保密协议
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    Witaj, jesteśmy muzycznym portalem informacyjnym dla artystów, realizatorów dźwięku i oświetlenia. Potrzebujemy dokonać usprawnień portalu / portali w zakresie: 1. Rozwój aplikacji istniejących 2. Docelowo myślimy nad migracją do WordPress Wymagania: - Dobra znajomość PHP5.x i 7.x poparta minimum 2-3 letnim doświadczeniem - Znajomość CakePHP lub przynajmniej jednego z popularnych frameworków (Symfony, Laravel, Zend lub inne) - Dobra znajomość relacyjnych baz danych (preferowane MySQL/MariaDB) - Znajomość HTML oraz CSS - Znajomość języka JavaScript (ES5) oraz technologi AJAX Mile widziane: - Umiejętność pracy z poziomu CLI - Doświadczenie w używaniu framework-a CakePHP - Doświadczenie w używaniu biblioteki jQuery - Znajomość zagadnień związan...

    $1486 (Avg Bid)
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    I am looking for expert assistance to create a SAP HANA SQL stored procedure.

    $270 (Avg Bid)
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    Job Summary: We are seeking an experienced Python Senior Developer to join our team and contribute to developing algo trading products. In this role, you will be responsible for designing, developing, and mentoring other developers to create well-written, high-performing APIs and services. Additionally, you will be responsible for the integration of different brokers to the Algoptions system through API and report management of algo trading products. You will also be required to manage a technical team and work collaboratively with technical and business teams to identify current and future business requirements. Qualifications: • Bachelor's Degree in Computer Science or a related field • 1-3 years of Python development experience • Experience with Python libraries suc...

    $751 (Avg Bid)
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    OpenCBS Full Customisation 5 天 left
    已验证

    We have a microfinance management software called OpenCBS that is relatively easy to install on a Windows computer. However, to use it, we need to install a database management system like SQL Express and Crystal Report Viewer for report visualization. We have four milestones to achieve: We need to analyze and deploy the existing OpenCBS source code found in two folders, client, and server. We need to customize the existing software to meet at least 50% of our specific requirements, focusing on the existing modules in the software. We want to rebrand the software to match our organization's branding guidelines. We need to develop new modules not found in OpenCBS, with a timeline for deployment, a rollout plan, and User acceptance testing (UAT). We will also maintain version contro...

    $1173 (Avg Bid)
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    Ms access upgrade project 5 天 left
    已验证

    upgrade an existing Ms Access 2010 adp project with a backend Ms sql 2014 database needs upgrading/MIgration to MS access 365 / back end MS SQL 2019 express

    $108 (Avg Bid)
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    8 个竞标
    Sales insights 4 天 left

    The Business request for this data analyst project was an executive sales report for sales managers. As per the request , company need to improve their internet Sales reports and want to move from static reports to visual dashboards. To create the necessary data model for doing analysis and fulfilling the business needs defined in the user stories the following tables were extracted using SQL and also we have manipulate and cleansed the data using SQL. As per the request we have made creative Dashboards with the help of visualization tools like Power BI.

    $673 (Avg Bid)
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    I am looking for a resource to help with setting up an Azure App Service and SQL managed instance backup to an on-premises storage solution. This requires backing up both application and database data. The desired storage solution for the backup is on-premises storage. I am open to suggestions on estimated costs, timeline and project plan.

    $207 (Avg Bid)
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    SQLMap Injection 3 天 left
    已验证

    I am looking for a freelancer to help with a project that requires SQLMap Injection testing. I need injection tests for both automated and manual execution, and specifically require vulnerability verification of the results. The successful freelancer must be experienced in both manual and automated testing of SQLMap Injections.

    $47 (Avg Bid)
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    Complete Flutter App 4 天 left
    已验证

    I am looking to develop a shopping app using the Flutter framework that can be used on both iOS and Android devices. The app must also be able to integrate with an existing service, making it possible for users to access the app more easily. I am open to suggestions about the design and functionality of the app, but I am looking for a completed project that meets my specifications. Experience in building apps using the Flutter SDK and Google ml kit are requirements. If you are interested, please don't hesitate to reach out and provide me with some examples of your past work. I look forward to working with you!

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    Procuro alguém com bons conhecimentos no PHC, que consiga fazer uma passagem e conhecimentos da programação feita no PHC a um programador que se está agora a iniciar no PHC. O preço poderá ser discutível, dependendo do nível de conhecimento demonstrado.

    $24 / hr (Avg Bid)
    本地
    $24 / hr 平均报价
    3 个竞标
    need help in excel summary 4 天 left
    已验证

    I am looking for someone to help me summarize data from an Excel sheet that I have already populated. The data consists of numerical values, and I need formulas used to compile the summary. It is important to me that the job is completed accurately and in a timely manner. I will provide more details upon initial contact.

    $22 (Avg Bid)
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    DotNet developer required for Improvement work in thenafter Host on server. Website address- User id- @gmail.c Password- kaspersky Explaining 'Basic functionalities' link is below- Explaining 'Improvement work to be done' video link is below-

    $126 (Avg Bid)
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    I am looking for a skilled Freelancer to help me set up a node.js project on my local PC and resolve existing bugs on the existing codebase. I will be using a Windows operating system and I have some knowledge of the codebase, but I need assistance with debugging different problems and setting up the development environment on my PC. I'm looking for someone who can quickly identify and address potential issues, make necessary improvements, and keep the development environment up and running. the current codes are running in developement mode and unable to run in production mode due the the bugs. I need to resolve the bugs as I would like to run it in production mode. Think you're the right candidate for this job? Get in touch!

    $165 (Avg Bid)
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    Issues in databases. 3 天 left
    已验证

    I am facing some issues in existing website regarding databases can you fix them?

    $15 (Avg Bid)
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    We are one of Australia's largest garage door manufacturers, with a national presence having branches in Western Australia, Queensland and Victoria. I'm looking for someone to convert our business' current Microsoft Excel dashboard into a fully integrated Power BI dashboard that is dynamic, easy to understand and visually appealing. Up until now, our business has run a Microsoft Excel dashboard that has pulled data from an SQL server from ERP (Enterprise Resource Planning) software called CENCO. It has acted as a means for the viewer to have a full insight and overview into our business in real-time; being able to view KPI's into multiple areas of the business, including sales and invoice figures, production numbers, sales rep budgets, labour capacity, purchase...

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    python code to sql 3 天 left
    已验证

    I have multiple excel files that needs to be uploaded to sql database with specifications that are explained in the document file. I have a python code that creates a sql query to upload the specific rows. I will provide the code wich its open with google connect, what I want is to create a program that will be run one time and it will upload the files straight into sql. To proceed with the project I will need to share screens with you through teamviewer or zoom so you can work through my computer since I am not able to share the database. Please place a bid if you are willing to share screens. thank you!

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    1. Billing Application for Android using C# 2. Offline and Online Capability 3. Inventory Management 4. Report Management 5. Billing Report Printing functionality

    $373 (Avg Bid)
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    These websites allows sellers to manage inventory with rest api My desire is to use the RestAPI to manage my inventory and possible orders Currently I manually create the product listings and when we sell on a website I have to manually remove from other websites. I do have my data in a sql database so I can assist with the data table but you will have to do the api I have no experience in that JIm

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    I work for a residential care charity and am exploring possible solutions to a problem that I have been asked to solve, and being a charity, for the least money possible..... We have approx 150 staff, who each need to take between 10 and 25 courses each per year. The courses are done by our inhouse trainer, or via online providers. I need to be able to keep track of who has completed what training and when, and alert by email them and their teamleader, when the training needs to be redone. Ideally there would be access (read only) by the teamleaders with editing rights restricted to myself and one or two others. It would need to be able to produce a report by staff member, or team, or course The report would need to demonstrate who held valid current training on each course and when...

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    I need someone to be able to log into my system, and extract all the database details. The database password and documentation have all disappeared with the developer of this system.

    $124 (Avg Bid)
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    I am looking for an experienced .net and c# developer to take on a data-driven application project. Looking for a developer with expertise in .net, and reactjs, who is also familiar with Relational database, who is good at c# .net core - mysql, sql. And Convert sql stored procedures to .net query using dapper or entity framework. We have two projects that will run simultaneously. We can discuss more details of the projects over a quick call. I have taken care of the database structure and need the project completed as soon as possible. This is an exciting opportunity to work on a complex and challenging project with a tight turnaround window. If you are up for the challenge and have the necessary proficiency with .net and c#, please apply.

    $13 / hr (Avg Bid)
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    I'm seeking an experienced software developer to build a small react+Django full-stack project for me. The project requires the use of an SQL database, React framework for the front-end, and does not require authentication. I'm looking for fast and reliable work that meets deadlines and is of high quality. I am willing to provide more details upon request. If this project if of interest to you, and you fit these requirements, please don't hesitate to get in contact with me. backend SQL generator will be created. work mainly on the front-end.

    $228 (Avg Bid)
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    58 个竞标

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