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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    Trophy icon Data Migration (EBS to Fusion) 6 dni left

    Oracle Data Migration (EBS to Fusion) I am in need of a skilled professional who can assist with the data migration from Oracle EBS to Oracle Fusion. The ideal candidate should have experience and expertise in Oracle data migration projects, specifically from EBS to Fusion. Requirements: - Proficient in Oracle EBS and Fusion systems - Strong understanding of data migration principles and best practices - Familiarity with Oracle data migration tools and methodologies - Ability to analyze and map data from EBS to Fusion - Experience in handling customer and financial data migration - Knowledge of Oracle data structures and schemas - Attention to detail and ability to ensure data integrity throughout the migration process Timeline: ASAP If you have the necessary skills and experience, an...

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    Job Title: Mid-level Back-end Software Developer Company: RI Software Location: Remote Compensation: As a Mid-level Back-end Software Developer at RI Software Company, you will be compensated through our partnership model. We do not offer a traditional salary but instead provide a unique opportunity for partnership and profit sharing. You will have the chance to become a co-owner of our company and benefit from the success and growth of our business. Further details regarding the partnership structure and profit sharing will be discussed during the interview process. About the Company: RI Software is a forward-thinking software development company that is reshaping the industry with its innovative web applications. Our ecosystem includes various dynamic web services, such as a retail m...

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    Mirth Channel HL7 IDCO -> SQL 6 dni left
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    I am looking for a freelancer who can assist me developing a Mirth Channel HL7 IDCO integration. The project requires the following skills and experience:

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    We need support in optimising or restructuring our spare parts tacking in Goolge Sheets (registering, storing and removing items). The basis macros are already there, but the file gets slower with increasing size. In addition, we would like to have an app with the help of app script, with which the articles can be booked in and out and which feeds the Google Sheet. Planned booking process via app: 1) Scanning of the item barcode with the mobile phone camera. 2) Automatic display of the storage location/ number present 3) Confirmation of storage with quantity input Planned check-out process via app: 1) Scanning of the item barcode with the mobile phone camera (in some cases also several barcodes) 2) Assignment to the product ID (bicycle) 3) Confirmation We are open to additional sugg...

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    Create a web application with dynamic menu from database, login, register user (add, modify,del), user accept/reject user page in .NET core 6/7 through EF code first.

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    ¿QUÉ BUSCAMOS? Muy fácil, actualmente estamos buscando 1 DBA de Oracle, para formar parte de un proyecto en uno de nuestros mejores clientes (empresa del sector de las telecomunicaciones). El proyecto tiene una duración estimada de 5-6 meses con posibilidades de alargarse. A continuación detallamos los conocimientos y experiencia que deseamos que tenga: - Experiencia de al menos 3 años como Administrador de BD Oracle en entornos de producción 24x7 sobre sistemas unix/linux, preferiblemente en versión 19c o como mínimo en 12c. - Conocimientos de backup&recovery con RMAN y de OEM. - Valorable: .- optimización de SQL .- Conocimiento de Shell scripts .- Conocimientos en Dataguard, RAC, ASM y particionamiento .- Shell s...

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    I am in need of an SQL performance and optimization expert to address high CPU usage in my SQL Server database, which is of large size (more than 10GB). Skills and experience required: - Strong expertise in SQL performance tuning and optimization techniques - Proficiency in working with SQL Server databases - In-depth knowledge of query execution plans and indexing strategies - Experience in analyzing and resolving high CPU usage issues in large databases -Trace deadlocks, root cause and implement solutions to stop them Responsibilities: - Identify and analyze the root cause of the high CPU/Memory usage problem - Optimize SQL queries and database structures to improve performance - Implement indexing strategies and query optimization techniques - Monitor and fine-tune the database for o...

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    SQL Training for 4-5 Students I am looking for a trainer who can provide SQL training to a group of 5 students. The students have beginner-level experience in SQL. Main Focus of Training: Understand DB Function, Administration - The main focus of the training should be on understanding DB Functions, Administration, and analysis in SQL. Training Session Duration: 30 Hrs to 42 Hrs. - Each training session should be 1-2 hours long. - Strong knowledge and experience in SQL - Ability to effectively teach and explain complex SQL concepts to beginners - Experience in Data Base Administration and analysis using SQL - Excellent communication and presentation skills.

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    website scraping 6 dni left
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    I am looking for a freelancer who can help me with a website scraping project. Specific Website: - I will provide a list of URLs for the freelancer to scrape. Data Extraction: - I am looking to extract product information from these websites. We need the following data for car parts: 1. Make 2. Model 3. Year Range 4. Part name 5. Part number 6. Image 7. Weight kg 8. Compatible cars 9. Categories (Groups and Sub-Groups) Scraping Frequency: - The scraping needs to be performed one-time only. Ideal Skills and Experience: - Proficiency in web scraping tools and techniques. - Experience in extracting product information from websites. - Attention to detail to ensure accurate data extraction. - Ability to deliver the scraped data in a structured format.

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    Website where one could get price estimation and quotation sent automatically to registered user email,

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    SQL Foreign key deleted -- 2 5 dni left
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    I have by mistake deleted a foreign key from my mysql table. i want u to help me create it using anydesk.

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    Oracle Time and Labor(OTL) Trainer 5 dni left
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    Hello Everyone, we are looking for a trainer who can deliver training on Oracle Time and Labor(OTL) Training: Oracle Time and Labor(OTL) Mode : Online Pax : 15 TOC : Available

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    I am looking for a relatively simple database to track attendance for around 300 employees. The data entry point must only accommodate a few users, and be able to calculate points and occurrences based off of the entered data. This database will need to provide reports and allow us to export it to a prebuilt forum. We specifically want our database to be of the SQL variety, as opposed to NoSQL or some other format. Furthermore, we do not need this database to be accessible online - it can be locally hosted. The primary reports that we need this database to generate are attendance reports. We would like it to be able to generate performance reports and custom reports, but attendance reports are our main focus. The ability to export the data to a spreadsheets or some other forum is a prior...

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    I am looking to hire someone to provide a basic level of sophistication in a brute force attack for an application. I have a specific application that I would like the attack to be tailored for, and I am expecting a basic level of complexity. If you think you have the expertise for this job, please apply.

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    Looking for a freelancer to calculate the distance between a point distance from a geofence border using Oracle Spatial. The geofence border is in polygon format and the calculation needs to be performed once. The purpose of the distance calculation is for data analysis. Ideal skills and experience for the job include: - Proficiency in geolocation and spatial analysis - Experience with polygon calculations - Strong data analysis skills - Knowledge in Oracle Spatial technology Acceptable results: - PL/SQL code to find records within n-meters from border - SQL with nearest distance from border

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    Fix bugs in an online game 5 dni left
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    I am looking for a developer to fix server bugs in my online game as soon as possible. Specific requirements for the project include: - Fixing general stability issues in the game server - Identifying and resolving any other server bugs that may be affecting gameplay - Ensuring the game server is stable and reliable for all players Ideal skills and experience for the job: - Strong knowledge of server-side programming and debugging - Experience with fixing stability issues in online games - Familiarity with the specific technology stack used in the game server Please note that there is an urgent need for these fixes, so prompt availability and quick turnaround time are essential.

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    Data Base 4 dni left

    hey I want to create a database for my application databse is not too much large mostly it consits of about 5000 coustomers we can give priority to MYSQL

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    Database schema design question 4 dni left
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    Looking for someone who knows how to design a Database schema and can help with me refining the same. We are a startup and i am the CTO. I created DB tables (mostly around 2 years ago); i am in the process of making sure that these adhere to the best practices of Database schema design. I need someone to answer my questions on why one design is better than the other. And if there is any alternate (and better) way to get the same results. I expect the call to take not more than 10-15 mins. I will pay for each call as if it is for 30 mins.

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    neceisto una web service sql server para consumir datos desde wordpress woocommerce

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    I am looking for a PHP developer to build an investment website for me. Here are the project requirements: Features needed: - User registration and login - Investment calculator - Payment gateway integration Design: - I have specific design samples that I would like the website to follow Timeline: - I need the website to be completed within 1 month Ideal Skills and Experience: - Strong proficiency in PHP programming - Experience with user registration and login functionality - Knowledge of investment calculators and payment gateway integration - Ability to work within a tight deadline JavaScript JS, JavaScript JSON, HTML, XML, CSS, Sass, PHP, SQL, Layered PNG If you have the required skills and experience, please submit your proposal.

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    ADABAS Admin Trainer 4 dni left
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    Hello Everyone !! We are looking for a trainer who can deliver training on ADABAD Admin ... Training : ADABAS Mode : Online Pax : 15 Training duration: 4hrs/day Date : Asap Need : Trainer + courseware+ labs. Budget -Open

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    I am looking for a freelancer who can create a Docker image with an VPN based MSSQL Database, along with Asp.Net Code. Here are the specific requirements for the project: Operating System Compatibility: - The Docker image should be compatible with the Windows operating system. VPN Technology: - The preferred VPN technology is any VPN technology. The freelancer should be familiar with setting up VPN connections. MSSQL Database Version: - The required version of the MSSQL Database is MSSQL The freelancer should have experience working with this specific version. Ideal Skills and Experience: - Proficiency in Docker and creating Docker images. - - Expertise in VPN bases MSSQL Database, specifically MSSQL 2019. - Knowledge of Asp.Net Code. If you have the necessary skills and experience, p...

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    Job Description: UX Designer (Arabic) Location: Permanent WFH/ Remote Preferred: Candidates from Middle East countries (Egypt, Cairo, Lebanon, Jordan, Beirut) Experience: 2-4 years - UX Designer (Arabic) 4+ years - Sr. UX Designer (Arabic) 8+ years – Team Lead - UX Designer (Arabic) Key Roles and Responsibilities: • Experience in Arabic design principles, typography, and layout. • Experience in creative and effective design work in Arabic contexts • Expertise in working in Figma • Translate concepts into user flows, wireframes, mockups and prototypes that lead to intuitive user experiences. • Design and deliver wireframes, user stories, user journeys, and mockups optimized for a wide range of devices and interfaces. • Identify design problems and ...

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    Hello, I have a database that is used in accounting software. I would like to understand how it works. When I open this database I see that there is the activate content banner, but when I activate it I find no macro. How can I display the active content? If you can figure it out, I've got a lot of work to give you so that I can understand how the software works.

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    I am looking for a reliable and experienced mobile app developer to help me create a high-quality application for basic arithmetic calculations. The app should be compatible with Android application. I also have a detailed plan for the design and user interface of the mobile app, so the ideal developer will be able to translate these ideas into a reality. The perfect person for this project should be flexible and creative, with a strong background in mobile app development. I'm looking forward to having a great partnership with the right person so I can have a custom-made app to meet my needs!

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    BUENAS TENGO UN REPORTE QUE ESTA FUNCIONANDO, PERO NECESITO AGREGAR UNA TABLA ADICIONAL QUE CUANDO LO REALIZO ME DUPLICA LOS REGISTROS. EL REPORTE INICIA ASI: --REPORTE DE VENTAS DECLARE @FECHA_I DATETIME = '2019-12-02'; --:FECHA_INICIO DECLARE @FECHA_F DATETIME = '2019-12-02'; --:FECHA_FIN DECLARE @FECHA_INICIO VARCHAR(10) DECLARE @FECHA_FIN VARCHAR(10) SET @FECHA_INICIO = CONVERT(VARCHAR(10), @FECHA_I, 105) SET @FECHA_FIN = CONVERT(VARCHAR(10), @FECHA_F, 105) SELECT DENSE_RANK() OVER (PARTITION BY , , FV.N ORDER BY FECHA_ASIGNADA) AS DIA, TABLA.Z, , TABLA.[RAZON SOCIAL], ... Y CONTINUA...

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    Need a specialist for Microsoft Excel, SQL,Java,Tableu.

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    I am in urgent need of a Silver Stripe expert to fix my site as soon as possible, like right now! This is a Silver Stripe website. Only reply if you can fix the error right now. Specific Issue: Error message is being displayed on my site, preventing it from loading properly. Functionality: All aspects of the site are not working properly, including user login/registration, payment process, and navigation menu. Timeline: I need the site to be fixed within the next 24 hours. Ideal Skills and Experience: - Strong expertise in Silver Stripe development and troubleshooting - Experience in resolving error messages and fixing site functionality - Proficiency in debugging and identifying issues within the Silver Stripe framework - Ability to work quickly and efficiently to meet the ...

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    Genealogy Tree (Family Tree) System 3 dni left
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    Web development: The system should be web-based (ASP.Net) with SQL database, allowing users to access and interact with it through a web browser with responsive design. The application should be working perfectly in mobiles (both small and big screens), tablets, all sizes laptops and TVs from 32 inch to 84 inch screens. - Photo uploads: Users should be able to upload photos to the system, which will be displayed alongside their family information. Uploading is available for all but will not be effected until final approval - Relationship mapping: The system should have the capability to map and display relationships between family members. - Advance search options using all fields. - Send messages / WhatsApp / emails worldwide to specific family member, a group of members by selecting or ...

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    Confidential ,will be given info after the selection

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    I need to develop a simple page that can add appointment event to users google calendar. what you should do is simply create a page that add (Title, date, time, description, location, description) with the ability to return that information from sql server database. - I have a table that contain (ID, Title, date, time, description, location, description) - the table is connected to asp.net grid view to return all records with the add to calendar button - When user click on that button select that record information and add to users google calendar. - when user click on add to calendar at the first time ask to login to google then select the required calendar to add that event to it. - you must create google api will send you email and create it in that email. - no need for UI just use the ...

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    I create a VB.NET program code this code create a Database, tables, ... etc. and works perfectly, but now appearing this error when I try to run the debug of program. HResult=0x80131904 Message=Logon failed for login 'DESKTOP-OUHPTELZeus' due to trigger execution. Changed database context to 'master'. Changed language setting to us_english. Source=Core .Net SqlClient Data Provider StackTrace: at System.Data.SqlClient.SqlInternalConnectionTds..ctor(DbConnectionPoolIdentity identity, SqlConnectionString connectionOptions, SqlCredential credential, Object providerInfo, String newPassword, SecureString newSecurePassword, Boolean redirectedUserInstance, SqlConnectionString userConnectionOptions, SessionData reconnectSessionData, Boolean applyTransientFaultHandli...

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    I am looking for someone who can teach me about all the functions and capabilities of Snowflake software. I am a beginner and I want to learn everything about it, including what it can do and how to use it. Preferred Method of Learning: - Video tutorials Specific Areas of Interest: - Data Warehousing - Data Engineering - Data Science Ideal Skills and Experience: - Extensive knowledge and experience with Snowflake software - Ability to explain complex concepts in a clear and concise manner - Experience creating video tutorials or teaching materials - Strong understanding of data warehousing, data engineering, and data science concepts

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    ER Diagram expert 2 dni left
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    I am looking for an ER Diagram expert who can assist me with creating a Physical ER Diagram for my project. The level of complexity for the diagram is basic, and it involves 5-10 entities and relationships. Skills and Experience: - Proficient in creating Physical ER Diagrams - Strong understanding of database design and entity relationship modeling - Experience working with 5-10 entities and relationships in ER diagrams - Ability to translate complex business requirements into clear and concise diagrams - Attention to detail and ability to ensure the accuracy and integrity of the diagram - Knowledge of database management systems and SQL is a plus

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    email database 2 dni left

    I am looking for an experienced professional who can develop an email database for my business. The email database should be tailored to the healthcare industry and should cover a national geographic region. I am specifically looking for a B2B (business to business) database, and not B2C (business to consumer) or a combination of both. The contractor should be able to provide a reliable and comprehensive database that meets all of my requirements. It should have relevant and up-to-date contact information, as well as any other pertinent data. Additionally, privacy and security are two of the top priorities for this project. All data must adhere to the applicable laws and regulations and remain confidential. If you have the experience and skills needed to produce an effective email datab...

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    It's like ola.... Need a work real time

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    Full time php developer 2 dni left
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    Need for time freelancer for full time having experience of 6 - 1.5year no company individual developer required jaipur candidate

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    need to create a new mysql view 2 dni left
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    I am looking for a skilled MySQL developer to create a new MySQL view for reporting purposes. The view will be used for data analysis and visualization. I have all the details regarding the specific tables and columns that should be included in the view. The ideal candidate should have experience in: - MySQL development - Creating views for reporting and data analysis - Data visualization techniques If you have the required skills and experience, please submit your proposal, see the attached doc for more details PLEASE: dont low bid only for get the interview, make your accurate bid for the quotation, warm regards

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    I am looking for someone to help me build the perfect database for me and my projects. I have a vision of how the database should look, but I need to find someone to take the ideas and make them into reality. The database I prefer to use is a Relational one and I have some ideas and thoughts on the interface design but could use some help in narrowing down what would be realistic to expect. My budget for this project is within the range of $500 to $1000 but I'm flexible. As far as an editable intrface - my best description is something like tiles or something i can put a picture on with a description to be a button to open that [project] page that has info on that item. I'd like those pages to be very interactive as well but that might be someplace where i need to be educated on...

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    Project Title: MSSQL query to get tabular format of an employee organizational chart tables Description: I am looking for a skilled MSSQL developer to create a query that will generate a tabular format of our employee organizational chart tables. The data structure is hierarchical, and all fields are important for the query. Skills and Experience: - Proficiency in MSSQL and understanding of hierarchical data structures - Ability to create optimized queries for large data sets - Familiarity with employee organizational chart tables and their relationships - Strong attention to detail to ensure all fields are included in the query

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    convert oracle report(rdf) to aql 1 dan left
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    I am looking for a freelancer who can convert an Oracle report from RDF format to AQL within a week. This project does not require any specific features or data to be included in the conversion, as everything can be converted as is. Skills and Experience: - Strong knowledge of Oracle reports and AQL - Experience in converting reports from RDF to AQL - Familiarity with Oracle database systems - Attention to detail and accuracy in data conversion must able to work remotely and this is for independent developer no third party must have following skill oracle pl/sql oracle report oracle forms oracle weblogic

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    I am looking for experienced virtual private server windows 2019-2022. Configure my single web domain aspx. configure ftp . Asp 3.0 and aspx 4.0 pages use simple single database file sql compact 4 (.sdf) and access (.mdb). NO sql server. Is simple i add simple domain for my work (lottery data). You able? And configure and explain me https how it fits into the web domain. You have to make me an explanation video so I can understand in case I have to correct something.

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    Azure DBA for cloud migration 1 dan left
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    Azure DBA for Cloud Migration I am looking for an Hands on experienced Sr Azure DBA to assist with the migration of our current SQL Server database to the Azure cloud platform. Skills and experience needed: - Expertise in Azure SQL Database and Azure SQL Managed Instance - Strong knowledge of SQL Server and its administration - Experience with database migration tools and techniques - Experience in online replication of databases - Ability to handle a database size of more than 5TB Responsibilities: - Collaborate with our team to plan and execute the migration of the SQL Server database to Azure - Ensure the successful transfer of data and functionality to the cloud environment - Optimize and tune the database performance in the Azure environment - Provide continuous maintenance and ...

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    I am looking for a skilled freelancer to help me migrate my WordPress website and database from Domain A to Domain B. Access to Original Files and Database: Yes - I have access to the original website files and database, which will be provided to the freelancer. Ideal Skills and Experience: - Strong experience in migrating WordPress websites and databases SQL. - Proficiency in handling domain transfers and ensuring a smooth transition. - Familiarity with troubleshooting and problem-solving during the migration process. - Attention to detail to ensure that all content and functionality are preserved accurately. If you have the necessary skills and experience, please reach out to discuss the project further.

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    I am looking for a Spring Boot MVC developer who can help me to fix an error: We have a webapi created using spring boot and client app is based on angular we are facing an issue with a search functionality can you help us to debug the issue and get it fixed... Ideal skills and experience for this job include: - You must have a experience on elastic search to fix this issue. - Strong knowledge of Spring Boot and MVC architecture - Experience with integrating external APIs - Proficiency in MySQL and database CRUD operations - Familiarity with user authentication and authorization concepts - Excellent problem-solving and debugging skills - Ability to work independently and meet project requirements. It will be looking for a long term piroject

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    sql server application 1 dan left
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    Title: SQL Server Application Development Purpose: - The purpose of this project is to develop a SQL Server application. Requirements: - The client has a general idea of the application requirements, but detailed specifications are not available. - The application should be developed with intermediate level SQL development skills. Skills and Experience: - Strong experience in SQL Server application development. - Proficiency in SQL programming and database management. - Ability to understand and translate general requirements into a functional application. - Knowledge of data analysis and data manipulation techniques. - Familiarity with SQL Server best practices and optimization techniques. - Strong problem-solving and troubleshooting skills. Note: The client is seeking a developer wit...

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    I am looking for a freelancer who can create a report in Zoho Analytics for my business. The specific data or metrics that I want to include in the report are sales data. I have a preferred layout or design for the report and I can provide an example for reference. Additionally, I am open to any suggestions or ideas for the design. The report can be either interactive or static, and either option is fine for me. Ideal skills and experience for this job include: - Proficiency in Zoho Analytics - Experience in creating reports and visualizations - Ability to understand and analyze sales data - Strong attention to detail and ability to organize data effectively - Good communication skills to discuss requirements and provide updates throughout the project.

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    I am looking for an expert in blockchain and AI to help me with a project related to both topics. I have some technical knowledge, but it's not enough to be sure I am taking the best decision with my application. Therefore, I'm looking for someone who is an expert in blockchain DATA and AI, specifically LLM. It would be necessary for the person to have a deep understanding of the topics and the ability to tackle complex challenges and optimising the infrastructure. If you have a proven track record of success in this field, I'd love to hear from you.

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    C sharp api 23 ur left

    I am looking for a developer to create a C sharp API with the following requirements: Functionality: - The API should only support CRUD (Create, Read, Update, Delete) operations. Database Integration: - There is no specific database or data source that needs to be integrated with the API. Architectural Pattern: - The API should follow the Model-View-Controller (MVC) architectural pattern. Ideal Skills and Experience: - Proficient in C sharp programming language. - Experience in developing APIs with CRUD functionality. - Familiarity with the Model-View-Controller (MVC) architectural pattern. Please provide examples of previous API development projects you have worked on. Thank you.

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    We want to developed Project on MicroSoft Azure 1) Microsoft OS 2) SQL Database 3) FrontEnd WebApp in Angular 4) BackEnd .Net Backend API with MVC Model 5) Development in VS Code Project Details 1) FronEnd App for Upload Data in Excel 2) Uploaded data insert in SQL database with .net 3) Fetch Data by API

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    €20 / hr Povprečna ponudba
    48 ponudb

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