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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    Need a Basic Android App 6 dni left
    VERIFICIRAN/A

    My Android App Requriment 1. Login Page (Username, Password) 2. Enquiry Submission (Name, Phone No, Email ID, Address, Current Location) 3. Report of the Enquiry Submitted 4. Edit the Reports Technologies: MS SQL Server Database, Android Studio as Front End Design

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    Tutor required for AI and ML -- 5 6 dni left
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    Advanced Tutor Required for AI and ML We are seeking an advanced tutor with expertise in AI and ML to guide us in our learning journey. The tutor should have a deep understanding of advanced concepts and techniques in this field. Topics of Interest: - Neural Networks - Machine Learning Algorithms - Natural Language Processing Ideal Skills and Experience: - Strong background in AI and ML, with a focus on advanced topics - Extensive knowledge of neural networks, machine learning algorithms, and natural language processing - Experience in applying AI and ML techniques to real-world problems - Ability to explain complex concepts in a clear and concise manner - Patience and the ability to adapt teaching methods to different learning styles This training will be of 5 days and 7 hrs a day e...

    €131 (Avg Bid)
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    Hi Need client who will give work on oracle technology like SQL,pl-sql,Oracle apps technical,forms and reports migration project

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    PLSQL Coding -- 6 6 dni left
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    We are looking for full time Oracle Software Developers who are able to undertake support and development in Oracle 19c using PL/SQL and SQL. IMPORTANT : Only those who can work from home on a full time, dedicated basis for our project may apply. Provide answers to flwg questions : 1) How many hours can you work per day? 2) Can you work with us during the daytime anytime around 9 am to 3 pm Indian Standard Time? 3) Can you forward your resume?

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    Hoy en día, muchos usuarios no saben cómo combinar su ropa (zapatos, pantalón, camisas, entre otras cosas), la idea es crear una IA (Inteligencia Artificial) o ChatGPT que bajo una serie de preguntas realizadas al usuario, como resultado, pueda recomendarle diferentes estilos o combinaciones de ropa disponibles en nuestro sitio web y pueda añadirlos al carrito de compras. La IA o ChatGPT funcionará como un asesor de moda inteligente enfocado en los productos del sitio web, la cual será diseñada en WordPress. Nos gustaría saber lo siguiente: 1. ¿Es posible su creación? 2. ¿Nos podrían compartir ejemplos de otras IA o ChatGPT similares para tomar más ideas para nuestra web? 3. ¿Cómo s...

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    I have been recently noticed some problems with my Access database. Since a recertification of ssl These problems appear in the form of error messages that are consistently reproducible. I also have a backup of the database as I noticed these issues occurring. Therefore, I'm looking for somebody to help me debug this issue and improve the performance of my Access database.

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    Project Description: I am looking for someone to help me with a beginner level SQL injection practical task. The main goal of this task is for me to learn more about SQL injection methods. Alongside the task completion, I would like a detailed report or explanation to understand the vulnerabilities and potential security risks that were identified. Ideal Skills and Experience: - Strong knowledge of SQL injection methods and techniques - Experience in performing SQL injection tests on systems - Ability to identify and exploit vulnerabilities in a secure system - Excellent communication skills to provide a detailed report explaining the findings and recommendations for improvement.

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    I am looking for an Operation Executive who can assist me with administrative tasks for a project that is expected to last 1-3 months. The ideal candidate should have experience in handling administrative tasks and be able to work efficiently. Tasks to be performed include: - Organizing and maintaining project files and documents - Managing schedules and coordinating meetings - Handling correspondence and communication with clients and stakeholders - Assisting with data entry and maintaining databases - Providing general administrative support as needed Skills and experience required: - Strong organizational and time management skills - Proficiency in using standard office software such as Microsoft Office Suite - Excellent communication and interpersonal skills - Attention to detail ...

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    I am looking for someone who can help me debug a Google Sheet with app script. The specific issue I'm experiencing is with script errors. I need the project completed within 24 hours. Also, the Google Sheet contains sensitive data, so I need someone who can handle this data with the utmost care and professionalism. Thank you!

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    Tutor required for AI and ML -- 4 5 dni left
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    Advanced Tutor Required for AI and ML We are seeking an advanced tutor with expertise in AI and ML to guide us in our learning journey. The tutor should have a deep understanding of advanced concepts and techniques in this field. Topics of Interest: - Neural Networks - Machine Learning Algorithms - Natural Language Processing Ideal Skills and Experience: - Strong background in AI and ML, with a focus on advanced topics - Extensive knowledge of neural networks, machine learning algorithms, and natural language processing - Experience in applying AI and ML techniques to real-world problems - Ability to explain complex concepts in a clear and concise manner - Patience and the ability to adapt teaching methods to different learning styles This training will be of 5 days and 7 hrs a day e...

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    Tutor required for AI and ML -- 3 5 dni left
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    Advanced Tutor Required for AI and ML We are seeking an advanced tutor with expertise in AI and ML to guide us in our learning journey. The tutor should have a deep understanding of advanced concepts and techniques in this field. Topics of Interest: - Neural Networks - Machine Learning Algorithms - Natural Language Processing Ideal Skills and Experience: - Strong background in AI and ML, with a focus on advanced topics - Extensive knowledge of neural networks, machine learning algorithms, and natural language processing - Experience in applying AI and ML techniques to real-world problems - Ability to explain complex concepts in a clear and concise manner - Patience and the ability to adapt teaching methods to different learning styles This training will be of 5 days and 7 hrs a day e...

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    I am looking for a freelancer who can assist me in generating QR codes for the KSA E-Invoicing system. The primary purpose of this project is to comply with government regulations. Integration with existing systems/plugins is required, so previous experience in working with Perfex CRM and Excellent Plugin Module is ideal. I would like to request some modifications to ensure that the QR code complies with Saudi Arabia's Zatca requirements. Here are the necessary changes: 1) I need to include the 'Total_Tax' inside the QR code. This information is available in the MySQL field. 2) I also need to include the 'Datecreated' of the invoice inside the QR code. This information is available in the MySQL database and should include both date and time. 3) It's essent...

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    Hello! I am a business owner in need of help with Java coding. Specifically, I need help with a code for a problem I am having and am looking for somebody who can work on it urgently. The desired timeline is 1-2 days. I have chosen to be open to suggestions regarding the coding, so if you can make improvements or have ideas to optimize the code, I am open to hearing them! Thank you for your time and if you are able to assist me, I would greatly appreciate it.

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    Web Scraping and Data Management Project I am looking for a skilled freelancer to help me with a web scraping and data management project. I need to scrape data from a single website, including both text and images, and save it in a mySql database. Skills and Experience Required: - Proficiency in web scraping techniques and tools - Experience with scraping both text and images from websites - Strong knowledge of mySql database management - Ability to efficiently save scraped data in a mySql database - Familiarity with SQL for data manipulation and retrieval Deliverables: - Scraped data from the specified website saved in a mySql database - A system or process for downloading and managing the scraped images Preferred Format: - The scraped data should be saved in a mySql database using ...

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    Hitachi Storage Trainer 5 dni left
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    Hello Everyone we are looking for a trainer who can deliver training on Hitachi Storage . Mode : Online Pax : 10 TOC : Available

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    jasper report for excel 5 dni left
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    jasper report for excel, we need to get data from SQL

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    DBase database purge 5 dni left
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    I am looking for an experienced specialist to complete a DBase 3 database purge for me. The task involves purging the entire database, and I need someone who is knowledgeable in the DBase 3 system to ensure that the entire database is purged properly. I have a backup of the current database, so the specialist will be working with a copy of my current database. I am not sure if there are specific tables that need to be purged, so I am looking for someone who is able to take a comprehensive approach to ensure the entire database is cleared.

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    Pogodba o nerazkritju informacij
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    Preciso de uma aplicação XAF/DEVEXPRESS onde o usuário da aplicação seja o mesmo no banco de dados sql. A aplicação só pode conectar no banco de dados após o login feito pelo usuário. Ao logar, a connection string seria montada e a conexão seria feita sincronizada na aplicação e no sql. Mesmo usuário, mesma senha. A aplicação seria híbrida: blazor e winform. Hoje no XAF, o login na aplicação é feito após fazer a conexão com o banco de dados pela connection string definida pelo desenvolvedor. O restante da aplicação eu mesmo desenvolveria incluindo as tabelas, rotinas, relatórios, etc. (trata-se de uma aplicaç&a...

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    I am looking for a skilled developer to create a Flutter chatting module with the following requirements: Features: - Text chat with file sharing capability Chat History: - The chat history should be stored on an MSSQL database Security: - Basic encryption is required for the chat data Ideal Skills and Experience: - Experience with Flutter development - Proficiency in MSSQL database management - Knowledge of encryption techniques for securing chat data

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    sql coding 5 dni left
    VERIFICIRAN/A

    Hello! I am looking for someone to help me with a SQL Server coding task: Given: a list of events with timestamps, a start date and end date, determine if at least one event happened during each consecutive 12 hour work shift. Thank you!

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    Contamos con información en una base Sql Server que proviene de otra aplicación. Buscamos armar una integración entre SAP B1 y dicha base de datos vía Servie Layer

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    Oracle E-Business Suite Development Support Skills and Experience: - Strong proficiency in Oracle E-Business Suite - Extensive experience in Oracle E-Business Suite development - Knowledge of Oracle E-Business Suite modules and functionality - Ability to customize and enhance Oracle E-Business Suite applications - Expertise in Oracle PL/SQL programming - Familiarity with Oracle Forms and Reports - Understanding of Oracle database concepts and SQL - Experience in integrating Oracle E-Business Suite with other systems Project Requirements: - The client is seeking assistance with Oracle E-Business Suite development. - The project duration is expected to be 1-3 months. - The selected freelancer will be responsible for customizing and enhancing Oracle E-Business Suite applications. - The free...

    €3 / hr (Avg Bid)
    €3 / hr Povprečna ponudba
    6 ponudb
    Tutor required for AI and ML -- 2 4 dni left
    VERIFICIRAN/A

    Advanced Tutor Required for AI and ML We are seeking an advanced tutor with expertise in AI and ML to guide us in our learning journey. The tutor should have a deep understanding of advanced concepts and techniques in this field. Topics of Interest: - Neural Networks - Machine Learning Algorithms - Natural Language Processing Ideal Skills and Experience: - Strong background in AI and ML, with a focus on advanced topics - Extensive knowledge of neural networks, machine learning algorithms, and natural language processing - Experience in applying AI and ML techniques to real-world problems - Ability to explain complex concepts in a clear and concise manner - Patience and the ability to adapt teaching methods to different learning styles This training will be of 5 days and 7 hrs a day e...

    €322 (Avg Bid)
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    Tutor required for AI and ML 4 dni left
    VERIFICIRAN/A

    Advanced Tutor Required for AI and ML We are seeking an advanced tutor with expertise in AI and ML to guide us in our learning journey. The tutor should have a deep understanding of advanced concepts and techniques in this field. Topics of Interest: - Neural Networks - Machine Learning Algorithms - Natural Language Processing Ideal Skills and Experience: - Strong background in AI and ML, with a focus on advanced topics - Extensive knowledge of neural networks, machine learning algorithms, and natural language processing - Experience in applying AI and ML techniques to real-world problems - Ability to explain complex concepts in a clear and concise manner - Patience and the ability to adapt teaching methods to different learning styles This training will be of 5 days and 7 hrs a day e...

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    Siamo alla ricerca di un esperto di data modeling sui principali database (MS SQL Server, Oracle, PostgreSQL) per attività di consulenza in ambito system integration della nostra piattaforma CRM enterprise level. Obiettivi principali: ·Supporto tecnico e gestione interventi su ambienti predefiniti dal cliente. ·Sviluppo evolutivo di ambienti verticali in collaborazione con il reparto di software factory. ·Implementazione dei cambiamenti di piccola e grande entità (Change request). ·Competenze su Bigdata e Business intelligence. ·Implementazione delle policy di sicurezza.

    €28 / hr (Avg Bid)
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    We are a small business firm looking for a Python software developer to develop software based on Flask and Python. We specifically need API integration functionality. We have an urgent timeline of 1-2 weeks for this project. As for the user interface, we prefer it to be simple and straightforward. Ideal skills and experience for this job include: - Proficiency in Python and Flask framework - Experience with API integration - Ability to develop a user-friendly and intuitive interface - Strong problem-solving and debugging skills - Attention to detail and ability to meet tight deadlines

    €249 (Avg Bid)
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    PLSQL Coding -- 5 4 dni left
    VERIFICIRAN/A

    We are looking for full time Oracle Software Developers who are able to undertake support and development in Oracle 19c using PL/SQL and SQL. IMPORTANT : Only those who can work from home on a full time, dedicated basis for our project may apply.

    €7 / hr (Avg Bid)
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    I am in need of an experienced PL/SQL and SQL programmer to help with a large-scale database query optimization project. The database in question is estimated to be larger than 10GB. The project will involve optimizing existing queries and data extraction to improve speed and accuracy. The ideal candidate for this role should be familiar with PL/SQL and SQL, and have a deep understanding of database query optimization. The successful applicant must have the necessary skillset to consult, develop, and implement solutions that improve query performance and accuracy. This is an exciting opportunity to join a growing organization and to develop and improve the efficiency of our database systems.

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    PLSQL Coding -- 4 4 dni left
    VERIFICIRAN/A

    We are looking for full time Oracle Software Developers who are able to undertake support and development in Oracle 19c using PL/SQL and SQL. IMPORTANT : Only those who can work from home on a full time, dedicated basis for our project may apply.

    €5 / hr (Avg Bid)
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    Data and Information Management 4 dni left
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    I am looking for a freelancer who can provide data analysis and reporting assistance for my project. Specifically, I require expertise in the following areas: - Database creation and management - Data analysis and reporting I have specific tools and methodologies in mind for the data analysis process, and I would prefer a freelancer who is familiar with these tools. However, I am also open to receiving advice and recommendations from the freelancer if they have alternative suggestions. The volume of data to be handled is currently estimated to be less than 1GB.

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    I need python developer to run the project locally. I have a project and db. It should be running locally.

    €12 (Avg Bid)
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    €30 Povprečna ponudba
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    I am looking for a full-time python developer with 2-4 years of experience to handle web development tasks for a web application development project. The ideal candidate should have experience in the following areas: Tasks: - Web development Type of project: - Web Application Development Time frame: - 1-3 months Skills and experience required: - Proficiency in Python programming language - Experience in web development using frameworks such as Django or Flask - Knowledge of HTML, CSS, and JavaScript - Familiarity with database systems such as MySQL or PostgreSQL - Understanding of software development principles and best practices - Strong problem-solving and debugging skills - Ability to work independently and as part of a team - Excellent communication and collaboration skills If yo...

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    Desarrolo Punch Out 4 dni left
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    Necesitamos un programador, para un desarrollo de Pounch Put. La empresa posee un link ( en una base de datos Microsoft SQL ), de pedidos del producto a vender, Nuestro cliente necesita que el link este activo en su pagina de proveedores y posterior al pedido emita un archivo para emitir su OC en su sistema de gestion.

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    Requirements: Proven experience as a trading expert in crypto, with a track record of success in analyzing market trends and making profitable investment decisions. Strong knowledge of different cryptocurrencies and their underlying technologies, as well as the broader cryptocurrency market. Experience with risk management, portfolio diversification, and other investment strategies.

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    We have a website that is online www.xxxxxxx.com. In the header section of the site, there is online assignment under the title of our services and right below the title of online trial exam. I will add articles to these 2 pages, but I cannot find the page path on these 2 pages. If you help me find the page path, we can work continuously because We are a software company in Turkey.

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    The app takes care of the student from registration for a course, leave management, facility management, faculty management, class scheduling and so on

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    Project Title: Fix SQL error Wordpress with Translatepress Specific Error: Unknown column 'plural_form' in 'field list' Error running insert_gettext_strings() Skills and Experience Required: - Strong understanding of SQL and database management - Experience with Wordpress and Translatepress - Ability to troubleshoot and fix database connection errors - Familiarity with syntax errors and query errors - Attention to detail and ability to identify and resolve specific errors - Past work demonstrating successful resolution of similar SQL errors - Excellent communication skills and ability to provide detailed project proposals Please include: - Examples of past work showcasing successful resolution of SQL errors in Wordpress websites - Relevant experience in working with ...

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    data analyst 3 dni left
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    *** UK Based Candidates Only*** Customer & Data Analyst - GIS/Excel Analyst We are looking to hire freelance data analysts with a strong background in scientific computational modelling and analysis using GiS software packages - must be experienced in the extensive use of various software (not limited to): MySQL, SQL, MS Excel, MS Access etc Role description: Inspecting, cleaning , transforming, modelling and analysing data with a goal of exporting useful information, suggesting conclusions and supporting decision making. ****Applications will only processed if the candidates are UK based due to our client data processing agreements**** Please apply with a CV and covering letter detailing all relevant experience and hourly / day rate.

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    Lokalno
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    Conference room booking 3 dni left
    VERIFICIRAN/A

    Conference room booking in PHP with different tentats with unique login. The building has about 30 tenants with different 4 digit logins. ASP-system is available today, but needs to be replaced with about the same features: Features: * Simple administration of tenents login (4 digits password, no user name) * Conference rooms (3 in total today) can be booked by tenants the hour from web Interface or mobile/responeisive site * Background should be able to be set individually for each conference room

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    Sistema ERP 3 dni left

    Estou em busca de alguém com experiência que desenvolva um sistema ERP completo focado para oficinas mecânicas em Node.js.

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    I am in need of immediate assistance with resolving a SQL deadlock issue in Magento and MySQL. I have access to the server and database for troubleshooting. The ideal candidate for this project should have expertise in Magento and MySQL, specifically in resolving SQL deadlock issues. The tasks for this project include: - Analyzing the SQL deadlock issue and identifying the cause - Implementing necessary changes to resolve the deadlock - Testing and ensuring that the issue is completely resolved - Providing recommendations for preventing future deadlock occurrences - Collaborating with the client to understand the specific requirements and constraints of the system - Communicating effectively and providing regular updates on the progress of the project If you have experience in handling S...

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    I am looking for a freelancer who can help me with installing and reconfiguring Kannel and the database Postgres SQL for SMS messaging. Current Status: - The Kannel installation is already done but it is only partially configured. Specific Configurations: - I have a general idea of the configurations I need for my Kannel installation. SMS Volume: - I anticipate sending more than 500 SMS messages per day. Ideal Skills and Experience: - Experience with Kannel installation and configuration - Knowledge of Postgres SQL and database management - Familiarity with SMS messaging systems - Strong troubleshooting and problem-solving skills

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    Azure Data Engineer 2 dni left
    VERIFICIRAN/A

    Key Responsibilities: Design and implement key components and technologies for our data platform. Collaborate with cross-functional teams to ensure data availability and accessibility. Develop and maintain data testing strategies and processes. Evaluate and implement ETL or ELT pipelines as per project requirements. Troubleshoot and resolve any issues related to data processing. Provide insights and recommendations for data architecture improvements. Qualifications: Proven experience as an Azure Data Engineer or similar role. Proficiency in Azure data services and tools. Strong knowledge of data integration, ETL/ELT, and data warehousing concepts. Experience with data testing methodologies. Excellent problem-solving skills. Ability to work collaboratively in a team and communicate effect...

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    Experto oracle netsuite Peru -- 2 2 dni left
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    Necesito experto en oracle netsuite con amplia experiencia en legislación peruana (contabilidad y planillas) para soporte e implementación de los módulos de Cxcobrar, cxpagar, inventario, financiero contable. Reuniones virtuales para supervisión de avances y coordinación de actividades. Precio a convenir por horas o días de trabajo.

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    Looking for Java Developer 2 dni left
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    We are looking for Java Developers who have experience in developing in Java/ Spring Boot framework, SQL, NoSQL, CI/CD, MVC architecture, Hibernate, API creation, Restful services, and SOAP using Java. Need to be available in IST night and work via screen share i.e., zoom, teams, screen control, etc.

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    I want to Some one To Make a JavaScript functions to show more django posts when the user scroll the page

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    I am looking for someone to generate crystal reports from data stored in SQL Server. I have specific requirements and metrics that must be included in the report, and the final output needs to be in PDF format. The ideal contractor will have a solid understanding of crystal reports, SQL Server, and an ability to provide a comprehensive, organized report with the required data points. The job requires attention to detail and strong organizational skills, so it's important that the contractor has an eye for accuracy and completeness. It would be helpful if the contractor has experience with generating crystal reports, including knowledge of necessary data elements and relevant programming tools – such as Visual Studio, Visual Basic, and Java. I am looking for someone who can h...

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    Database Expert -- 2 1 dan left
    VERIFICIRAN/A

    need to design sql server database for POS application.

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    I am looking for a freelancer to develop a laundry management system for my business. The system should have the following features: - Customer management: The system should allow me to store customer information, track their orders, and maintain a customer database. I have specific requirements for the technology or platform to be used in the development of the system. My budget for the laundry management system development is less than $1000. Ideal skills and experience for the job include: - Experience in developing customer management systems - Knowledge of database management - Proficiency in the specific technology or platform I require (to be discussed with the freelancer)

    €405 (Avg Bid)
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