Programación de bases de datos Jobs

Database Programming is an essential software development skill that processes data and stores it in a database. Database Programmers store and handle databases, create, maintain and update them so that data is organized, secure, and easily retrievable when needed. Database programming relies on the manipulation of an underlying language, like SQL, through coding structure and automation of rules to ensure accuracy and enforce consistency.

Whether you’re in need of organizing a complex amount of data, validating data changes, or writing to multiple databases at once, a Database Programmer can be your best asset when it comes to optimizing and automating your current system.

Here's some projects that our expert Database Programmer made real:

  • Data Management - whether it’s relocating large files from one server to another or editing large chunks of data.
  • Seamless User Experience – extending automations for a better end user experience with less manual labor.
  • Security – tying all transactions for protection from cyber threats and potential malicious activities.
  • API Connections – Pulling real-time data with API calls to update various databases with the most updated information.
  • Optimization – Configuring underlying structures such as indexing algorithms that can be modified over time to match user demand.

Database programmers are highly specialized software engineers with expert knowledge in both backend development and databases themselves. They rely on a combination of inherently acquired knowledge through technical education or career experience to make sure data processing is secure, accurate, fast and consistent. With help from a Database Programmer, clients can easily optimize their systems so they are able to access information quickly while still keeping their businesses secure and up-to-date.

As a result, working with a Database Programmer on Freelancer.com is ideal for those who need real-time solutions tailored to match their unique needs without compromising security or efficiency. No matter the complexity of your business’s needs and your data requirements, our freelancers are experienced in setting up the perfect custom-made solution for you. Post your project now and get started on your business’s journey today!

De 177,752 opiniones, los clientes califican nuestro Database Programmers 4.83 de un total de 5 estrellas.
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    42 trabajados encontrados, precios en USD

    I'm seeking an expert to create an automated dashboard, aggregating training metrics from an eLearning Management System database. It is essential that Excel functions are automated, and feeding data into this dashboard should be user-friendly. Key responsibilities: - Design a dashboard that will display updated training metrics from a database - Automate Excel functions - Allow user-friendly data import Ideal candidate: - Proficient in Excel - Knowledge of DBMS (Database Management Systems) - Familiar with eLearning Management Systems - Experience in creating user-friendly interfaces - Strong time management skills, as the project needs to be completed within a month Our understanding of the exact DBMS is currently unclear; thus the freelancer needs to be comfortable working with...

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    I require assistance with port forwarding for my MySQL 5.7 database installed on a Windows operating system. I want to configure it to be accessible publicly on the internet. The desired freelancer should have the following skills and experience: • Knowledge of and experience with Windows operating systems • Understanding of MySQL 5.7 databases • Familiarity with port forwarding procedures • IP configuration expertise for public internet access The goal of this project is to ensure safe, secure, and proper configuration for public internet access without any compromise on performance. Can you help me achieve this?

    $15 (Avg Bid)
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    ESG Score Extraction for S&P 500 6 días left
    VERIFICADO

    I need data of S&P 500 companies for the last 10 years from reliable source ( such as Bloomberg or Eikon or S&P or Refinitiv or Reuters) in the following details: 1. Ticker No. (e.g. AAPL) 2. Company name (e.g. Apple Inc.) 3. Industry (e.g. Technology) 4. Year (e.g. 2023) 5. Social score (e.g. 45) 6. Environmental score (e.g. 65) 7. ESG score (optional) Candidate should have access to one of the platforms: Bloomberg or Eikon or S&P or Refinitiv or Reuters

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    Iam looking for passionate Full-Stack Developer with a keen eye for visual design. Technical Skills: Proficient in PHP and Angular or Vue frontend. Experienced with Microsoft SQL Server for database management and Familiar with stored procedures in SQL for database queries Strong understanding of user authentication and authorization (login, validation, management) Adept at CSV file manipulation and validation such as: parsing, data transformation, Aggregation, Joining and Merging, exporting, Find, edit or remove duplicates, Consolidate data, convert data types, clean data, Skilled in error handling and debugging to ensure application stability Experience with UI/UX design principles to create an intuitive user interface Functionality to import and manipulate data from CSV/XLS/XLSX fil...

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    I'm seeking a profoundly competent PHP and SQL expert who can effectively conduct data analysis on user behavior data, Your crucial responsibility is to: - Analyse the data and provide notable insights into user click-through rates. Ideal skills: - Proficiency in PHP and SQL - Sound knowledge in data analysis of user behavior data - Understanding of click-through rates - Proven experience in similar project This task requires precision and attention to detail, eluding the median for an analytical mind.

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    I am working on a college project which involves creating a MySQL database for data analysis. - Database System: The project needs to be done using MySQL. Experience in this platform would be ideal. - Purpose: The aim of the project is to implement effective data analysis. Therefore, skills in data analytics and data management are to Design Database. - Data Scale: Skills in handling medium scale data (up to 100GB) would be beneficial. Having a profound understanding in creating and administrating databases, as well as an ability to translate data into actionable insights would be perfect for this project.

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    I'm looking for a proficient developer to create a Whatsapp chatbot powered by Open AI. The aim is to use this chatbot to establish a link to my MySQL database and generate informed responses based on my data. Key Aspects: - The chatbot should be capable of generating detailed insights. - It should be built for Whatsapp. Ideal Candidate: - Experienced in chatbot development for Whatsapp. - Solid understanding of Open AI and MySQL. - Ability to implement meticulous functionality for optimal database learning.

    $515 (Avg Bid)
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    SQL Database Management Required 5 días left
    VERIFICADO

    With an unspecified SQL database system, I'm seeking an SQL database expert with broad knowledge in MySQL, Oracle, and SQL Server. Your role will entail assisting with data storage, management, and analysis. Key Requirements: - Proficiency in a wide range of SQL database systems - Expertise in data storage, relationships, and analysis - Ability to provide detailed project proposals, showcase past work and experience - Open to both SQL generalists and specialists Your application should demonstrate your versatility and proficiency in different SQL database management systems. Additionally, highlight your experience and deliverables from past jobs, to give a clear picture of what I can expect. Please, apply only if you have the skills and experience to handle diverse SQL-related tas...

    $138 (Avg Bid)
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    MySQL Guru for JSON & PDF Import 5 días left
    VERIFICADO

    I am in need of a skilled MySQL developer to expand my existing database by integrating data from JSON and PDF files. Only direct developers with extensive expertise in MySQL database management, as well as proficiency in handling JSON and PDF data integration, will be considered for this project. The task involves parsing JSON files, extracting relevant data, processing content from PDF documents, and seamlessly integrating this data into the MySQL database. If you are an expert MySQL developer and meet these criteria, please submit your proposal. Thank you for your understanding. Best regards.

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    More details: What type of data sources will the dashboard and analytics be based on? Database, CSV files, API endpoints, Telecom signaling feed like ss7, diameter, gtp, volte, 5G Which telecom signaling feeds would you like to integrate into the dashboard and analytics? SS7 (Signaling System 7), Diameter, GTP (GPRS Tunneling Protocol); VoLTE (Voice over LTE); 5G, Http2 What specific metrics or data points would you like to track and analyze from the telecom signaling feeds? Call setup success rate, Message latency, Network congestion; Protocol errors; Signal strength, Signaling performance and tracing, AI based user interface to fetch and populate dynamic dashboards and reports based on customer needs

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    Can you help me out with a small code snippet please? I noticed somehow a few image thumbnail sizes are missing for some images on my sites. So I‘d need a small snippet to put in to display the full size image as a fallback when the requested thumbnail size is not found. Sample this is not found, so in this case it should use: So it should use this should apply to any thumbnail size. Can you please help me with that? A working code snippet will get the job.

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    I'm in need of an experienced professional who can assist me in transferring a large-scale database. Key requirements include: - Proficiency in handling and transferring databases, specifically SQL Server. - Experience in migrating large databases, in this case, exceeding 10GB. - Demonstrated knowledge in handling data and ensuring its integrity. - Ability to ensure smooth transfer with minimal downtime. Your role will involve transferring selected data safely, efficiently and without data loss. Prior experience with similar projects is highly advantageous.

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    I’m seeking an experienced database developer to build two MariaDB/MySQL nodes using Galera, aiming to ensure high availability of our transactional data. Your responsibility will be centered on constructing these clusters to maintain constant uptime and assuring that they serve as a dependable solution for our growing needs. Primary Tasks: - Creation and configuration of two MariaDB/MySQL nodes using Galera. - Migration of transactional data from an existing MariaDB/MySQL database to these new nodes. Ideal Skills: - Significant experience with MariaDB/MySQL and Galera cluster. - Proficient in database migration processes. - Strong knowledge in high availability solutions. Your expertise will play a vital role in guaranteeing our data processing does not experience any disrupt...

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    I'm looking for a skilled professional to design and implement a MySQL database system. The database cluster, mysql router, should feature: - data warehousing, Data analysis tools to interpret and present data in a meaningful way. - User management systems to organize and regulate users effectively. - Cluster management, sql router management. - Open source tool to monitor the slow query, query...effectively monitor the data base. Ideally, the system should be equipped to store an estimated 10,000 to 500,000 records. Strong experience with MySQL is imperative, alongside a working knowledge in data analysis, user management, and real-time data updating functionalities. Your portfolio demonstrating similar projects will be highly appreciated.

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    I am looking for someone proficient in Excel and familiar with MySQL databases to assist me with data collection, manipulation, and analysis. The ideal freelancer would - Have proven experience in Excel, specifically in data manipulation and analysis. - Be familiar with MySQL databases or apache spark - Understand how to generate comprehensible reports. - Possess an analytical mind to identify trends and patterns from the data collected. The purpose of collecting, manipulating, and analyzing the data is to have a single type of database for all the data-driven decisions I need to make. As such, knowledge in building and working with databases is an added advantage. To make a convincing proposal, show me how you've done something similar in the past. I'm looking ...

    $11 (Avg Bid)
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    Real-Time User Data Retrieval API 3 días left
    VERIFICADO

    I'm looking for a skilled developer who could aid in creating an API for our MS Access database. The primary functionality required for this API includes the ability to retrieve user information data on-demand, in real-time. Key skills and experiences needed for this job are: - Proficiency in API development - Familiarity with MS Access Database - Experience in real-time data retrieval Your goal would be to design and implement this API to seamlessly fetch data whenever needed, keeping in mind that efficiency and reliability are paramount. If you have the expertise to take on this job, I'd love to see your bids.

    $533 (Avg Bid)
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    I am shifting my operations and client management to and require help importing my client data into its database. You'll be gathering this from various sources including, but not limited to social media platforms, my current CRM tool, and email contacts. Key Data to Extract: - Client names - Contact details - Transaction history - Family names - Pet names - Birthdays - Anniversaries - Addresses Ideal Candidate: The ideal candidate will have excellent data management skills, experience with CRM platforms, preferably monday.com. They will require strong attention to detail to ensure the accuracy of the imported data. An understanding of personal data protection principles is crucial. Knowledge in real estate sector will be a definite plus. For items that are not known, the candida...

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    I need a proficient software developer to help me build a dynamic web-based application for managing data and customer relations. Key features should include: 1. Customer Relationship Management: An intuitive module for tracking and analyzing customer interactions. 2. Support Ticket System: An efficient ticketing system to manage customer queries and responses. 3. Customer Analytics Dashboard: A comprehensive dashboard displaying customer related data and metrics. 4. Data Entry by Employee: An accessible platform for employees to input and manage data. Specific functionalities to be built-in are: - User Authentication and Access Control: A role-based access system to ensure security of data. - Data Validation and Error Handling: To prevent the entry of invalid data and seamless...

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    I need an SQL and SSIS developer for my personal project. My primary goal is to optimize my SQL database, which is currently facing several performance issues. Key Problems: - Slow query execution - High resource consumption - Inefficient indexing The ideal candidate should have a strong background in SQL and SSIS for database optimization. A thorough knowledge of SQL query optimization, resource management, and indexing is essential. I am seeking an expert who can effectively address these specific issues and enhance the overall efficiency of my SQL Server development. Any suggestions for further improvements are also welcome.

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    As the project owner, I urgently need a skilled SQL Server and SSIS (SQL Server Integration Services) Developer to propel my database optimization objectives. Your primary tasks will focus on: - Fine-tuning SQL queries - Carrying out schema optimizations - Development using SQL I'm currently dealing with several performance issues, including slow query execution, high disk I/O, and index fragmentation. Therefore, for this task, the ideal candidate should possess a sharp understanding of query tuning and optimization, as well as practical experience with complex SQL Server and SSIS development projects. If you have proven experience in eliminating these types of issues and know how to implement effective optimizations, I am eager to work with you. Your high-level SQL Server knowle...

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    I need a Java programmer to create an intricate inventory management system. This system will primarily focus on: - Comprehensive Inventory Tracking: With features such as product count and real-time stock alert functionality. The goal is to monitor stock levels accurately and ensure swift action when restocking is needed. - Tailored Search and Data Management: Capabilities to allow quick and efficient access to any required data. This includes data entry, data editing, and data deletion features. - Effective Report Generation: Easy to grasp reports that could expedite decision-making processes are required. - Streamlined Employee Management: Not as pivotal, yet it's essential for the bigger picture of the management system. For this task, demonstrable experience in Java, databa...

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    In this project, I'm seeking an experienced freelancer with proficiency in NLP, SPARQL, and RDFS Triplestore. While the main goal of the project hasn't been strictly outlined, an ability to navigate various aspects of NLP including text classification, sentiment analysis, and named entity recognition will be advantageous. Though it's unclear what type of data (Textual, Speech data, or Both) will be processed, the freelancer should have the capacity to handle any given data type. Applications for this project should include: -Past work -Experience -Detailed project proposals This will allow me to carefully assess your suitability for this task. Your ability to outline a clear, detailed proposal will be considered as a strong plus. Please apply if you believe this role ma...

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    I'm seeking a skilled professional who specializes in lead generation for real estate. My main focus is on buyers and investors who have a local presence. Key responsibilities will encompass: - Identifying and cultivating potential leads - Ensuring that each lead contains the necessary specifics such as contact details, property buying history, and financial status in order to qualify as a valid lead Ideal Candidate: - Must possess extensive experience in lead generation - It would be advantageous if the candidate has a background in real estate. - Strong attention to detail. - Excellent communication skills. By tailoring your approach to the local market for buyers and investors, you can help us connect with the right people efficiently and effectively. We look forward to hea...

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    I'm seeking a highly proficient Moodle developer to enhance the functionality of my current gradebook. I presently handle grading manually and employ grade weighting for various categories, which I find both time-consuming and complex. Here's where I need you: - Grade Calculation: Introduce a feature that enables automated grade calculation. This will significantly simplify my tasks and ensure accurate results. - Grade Weighting: Advance grade weighting functionality in the Moodle gradebook. This is crucial for a fair assessment of different categories that require different scales. - Include Grade Categories: The gradebook should include categories for quizzes, exams, and homework assignments. The ideal freelancer for this job should possess strong Moodle development skills,...

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    I'm in need of a proficient developer to create a custom program designed for data visualization, database querying, and alert generation. The specifics of this project are detailed in an attached document, but to enable interested developers to make an informed bid, here's an overview: - The program should be capable of making specific database queries to extract, to a MySql DB. - The queried data will need to be presented in a visually clean and engaging format, with different types of visualizations such as charts, graphs, and tables. - The program should include an alerting system through email for important updates or changes. - Data exports in a PDF format should be possible. - The program will need a customizable configuration file for adjusting db queries. Additionally,...

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    SQL Server Permissions Expert 2 días left
    VERIFICADO

    I am in need of a SQL Server expert to grant specific permissions for database access on my system. The primary role would involve enabling access controls and assigning user permissions for various actions, including: - Select - Insert - Update - Delete Ideally, the successful bidder will have considerable experience handling SQL Server and any relevant certifications would be a bonus - the complexity of the system requires high expertise. Your attention to detail is paramount, as well as being able to provide proof of your work. This project offers potential for future work, should the results prove satisfactory. Please account for communication time in your bid, as clear, understandable reporting is part of the task.

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    I'm urgently in need of an experienced Java developer to create a RESTful API for a brand new web service. The timeline for this project is critical, as I need it done ASAP. While I haven't specifically outlined whether elements like user authentication, payment processing, or content management will be served, a diverse skill set will be beneficial given the potential for wide-ranging functionalities. The project can have one client and doesn't have to be complex, and it has to demonstrate CRUD operations. Key requirements: - proficiency in Java and RESTful API development - Experience in building web services - Proactive communication and commitment to meet tight deadlines - Broad understanding of various functionalities served by web applications, as the exact inclusion...

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    I own an IT consulting firm which is recently extending its offerings to trainings in tech. The tech trainings offered are mainly focused on data analytics/science, BI and cloud computing. The courses are mainly given to people who have no prior tech or coding experience but those who want to break into tech career. I am looking to hire a skilled BI developer with extensive experience with Tableau, Power BI and other BI tools. The freelancer will be helping me design the curriculum and also teach BI and data visualization Must have skills: 1) Power BI-DAX, M Language, Data Modeling, Power Query 2) SQL 3) Good teaching skills. 4) Great command of English PLEASE SUBMIT YOUR PROPOSAL WITH YOUR RANGE OF EXPECTED HOURLY RATE!

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    I'm looking for a skilled SQL coder to help with a project management initiative. This includes: - Developing a project-focused database management system - Implementing data extraction, transformation and loading processes The ideal candidate will show proven experience in SQL, especially with data coding. Proficiency in project-oriented tasks will be beneficial. Sound understanding of data analysis and reporting is anticipated.

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    I'm in the market for a sophisticated billing software for my wholesale distribution business. The ideal software should have various features including, but not limited to: - Inventory Management: Track every piece of inventory effectively with alerts for low stock and expiry dates. - Customer Management: I need an easy-to-navigate interface that allows for seamless customer data entry and management. - Producing Reports and Analytics: The ability to generate detailed reports for billing, sales, GST compliance, and manufacturer assessments. - MySQL Database: Store all inventory and customer data in a MySQL database. Ideal Candidates: Freelancers should possess substantial experience in software development, particularly in creating robust billing systems. A clear understandin...

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    I am in need of a proficient Microsoft Access developer. The task involves designing a query to generate reports, specifically focusing on beneficiary data. This would include information such as: - Local Government Area (LGA) - Ward - Community - Household Reference Number (HOUSEHOLDREFNO) - Caregiver Name (CAREGIVER NAME) The project necessitates reliable skills in data filtering and report generation on MS Access. Any prior experience or extensive knowledge dealing with similar data or report types will be high regarded. Though not a dealbreaker, familiarity with beneficiaries' data or related fields would be beneficial.

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    Position Overview: We are seeking a skilled Oracle Database Developer to join our team. The ideal candidate will have a strong background in database development, with expertise in Oracle technologies. You will be responsible for designing, developing, implementing, and maintaining Oracle databases to support our organization's applications and business processes. This role requires proficiency in SQL, PL/SQL, database functions, triggers, ETL processes, and database performance tuning. Key Responsibilities: • Design, develop, and implement Oracle databases to meet business requirements. • Perform database administration tasks, including installation, configuration, backup and recovery, and monitoring. • Write efficient SQL and PL/SQL code to support application deve...

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    For my project, I require an expert well versed in Database Normalisation, specifically forms 1,2,3. The main goals of this normalisation process are to eliminate data redundancy, improve data integrity and enhance database performance for better usability in my document database. Identification of primary key(s),foreign key(s),partial dependencies,transitive dependencies Ideal candidate skills: - In-depth knowledge of data normalisation - Experience with document databases Responsibilities: - Ensuring data integrity and performance - Applying normalized data to a documented environment Take note that we're not using SQL, NoSQL or Cloud-based systems. Instead, a document database system will be utilised. Your previous experience in such an environment would be a big plus. Your ro...

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    MySQL Database Normalization 17 horas left
    VERIFICADO

    I'm seeking experts with proficiency in MySQL to help normalize the database. Ideal candidates would bring extensive knowledge on normalization to bring a database to its named form. The project is somewhat urgent and needs to be completed ASAP. Skills and experience: - Expertise in MySQL - Strong understanding of database normalization - Ability to work within tight deadlines

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    For my project, I require an expert well versed in Database Normalisation, specifically forms 1,2,3. The main goals of this normalisation process are to eliminate data redundancy, improve data integrity and enhance database performance for better usability in my document database. Identification of primary key(s),foreign key(s),partial dependencies,transitive dependencies Ideal candidate skills: - In-depth knowledge of data normalisation - Experience with document databases Responsibilities: - Ensuring data integrity and performance - Applying normalized data to a documented environment Take note that we're not using SQL, NoSQL or Cloud-based systems. Instead, a document database system will be utilised. Your previous experience in such an environment would be a big plus. Your ro...

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    I'm looking for a highly skilled PHP and SQL professional to assist me in managing my database. Specifically, I need help with: - Database Management: I require someone well-versed with handling databases, ensuring that their structure and performance are optimal. - Data Structuring: My project predominantly deals with tables and requires someone with an in-depth understanding of them to ensure efficient data structuring. Ideal skills and experience for this job would include a strong command of PHP and SQL, a deep understanding of database structures, and substantial experience in database management and structuring, especially tables.

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    I'm in need of a developer able to create a database to store police OB reports and design a web-based application for secure report addition and access. The requirements I'll need are as follows: 1. **User Authentication:** The system should enforce stringent security measures to authenticate users, guaranteeing that only approved credentialed users with access level to reports in the database application. 2. **Report Creation/Submission & Access:** The platform should allow users to create and submit reports smoothly. Additionally, a comprehensive report search functionality is crucial for easy access to submitted reports. 3. **Multi-Level Access Control:** The application should support more than three user roles with varying access permissions - admin, user, and restri...

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    I am currently in need of a meticulous data entry specialist with a good sense and understanding of SQL Server. Your primary responsibilities would involve: - Organizing and processing data on our SQL Server - Keeping the database updated - Ensuring data integrity and security - Regular reporting and documentation This project requires a detail-oriented professional with excellent keyboard typing skills and profound knowledge of spreadsheets and online databases. An ideal candidate would have experience in managing SQL Server databases. Impressive organizational skills and a keen eye for detail are both a must to do well in this role. I await your proposals.

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    I am seeking a professional web developer and designer to help bring my vision for a music app to life. This app will have the main functions of streaming music like Spotify or Anghami, discovering new artists, and allowing users to create their own playlists. Across iOS, Android, and Web platforms, this app will captivate users with its minimalist aesthetic. Key responsibilities: - Develop a responsive and intuitive music streaming app - Enable users to discover new artists easily - Implement a feature for playlist creation - Ensure seamless compatibility across iOS, Android, and Web - Experience in designing and developing music applications. - Proficiency in both Arabic and English languages. - Ability to build easily scalable databases. - High-quality UI/UX design skills. Additional...

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    SQLCMD Assistance Needed -- 2 9 horas left
    VERIFICADO

    I have a stored procedure on a MS SQL Server that is running a SQLCMD statement to output a CSV file in the following format where #sqlStatementHere# is the SQL string. I won't give specifics to the database structure as that part is irrelevant. sqlcmd -s, -W -Q "set nocount on; #sqlStatementHere#'" | findstr /v /c:"-" /b > '+@OutputFilePath; My problem is that some varchar fields contain special characters such as quotes and double quotes and commas. This is causing some rows of the CSV file to be invalid. I am assuming we can pass in some parameter to this SQLCMD to escape special characters or perhaps wrap the entire varchar data in double quotes. You will not be given access to the database for this project. You can easily create your own tabl...

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    SQLCMD Assistance Needed 9 horas left
    VERIFICADO

    I have a stored procedure on a MS SQL Server that is running a SQLCMD statement to output a CSV file in the following format where #sqlStatementHere# is the SQL string. I won't give specifics to the database structure as that part is irrelevant. sqlcmd -s, -W -Q "set nocount on; #sqlStatementHere#'" | findstr /v /c:"-" /b > '+@OutputFilePath; My problem is that some varchar fields contain special characters such as quotes and double quotes and commas. This is causing some rows of the CSV file to be invalid. I am assuming we can pass in some parameter to this SQLCMD to escape special characters or perhaps wrap the entire varchar data in double quotes. You will not be given access to the database for this project. You can easily create your own ...

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    I am in need of a competent Node.JS developer with exceptional Crystal Report skills, primarily in report design. Key Features: - User Authentication - Real-time Chat - Database integration Your role will include designing a clean, comprehensive financial report. In-depth understanding of data modeling and database querying is a plus, as well as proficiency in user authentication, real-time chat functions, and seamless database integration. Ideal Skills: - Node.JS development - Crystal Reports - Report Design - Database Integration Relevant experience in developing financial reports will be highly advantageous. This project is geared towards enabling users to view comprehensive, real-time financial reports with utmost accessibility. Your main target is to deliver an impeccable use...

    $153 (Avg Bid)
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