Program mysql php ajax jobs

URGENT, Need expert PHP, JS developer for my wordpress website it have a lot of errors after restarting my server.

...to port an existing monitoring program from Windows XP, written in C#, to a modern Windows version or to Linux. The program is currently written in C# Key Features: - Real-time monitoring: The program should be able to continuously monitor and display real-time data. - Data visualization: It should have the capability to present the monitored data in a graphical format. - Data logging: Record selected inputs/outputs at predetermine interval - Error logging: The program should be able to log any errors or issues that occur during monitoring. - Control: The ported program should support control features like: - Adjustment of monitoring settings: The user should be able to modify the monitoring parameters. - Remote control of monitored devices: The ...

I'm looking for a skilled developer to migrate our Java-based desktop application onto the AWS cloud. The project involves: - Hosting the existing Java-based desktop application on an AWS cloud instance. - Implementing a multi-user access system. - Integrating a MySQL database component. - Developing a Python-based web interface for users to change settings. The ideal candidate should have: - Proficiency in Java, Python, and MySQL. - Prior experience with cloud hosting, particularly on AWS. - Knowledge of user access control systems, particularly Discretionary Access Control. - A good understanding of desktop-to-cloud migration. - Strong communication skills and attention to detail. We need a developer who can take a Java based desktop application and host it on a...

I'm on the hunt for 2 or 3 talented PHP freelancers who are ready and willing to work with me for 10 to 20 days due to a sudden result of project overload. Here's what you'll be working on: - PHP Development: You'll be using your coding skills to build and modify web applications. - Web Development: Using PHP, you'll create user-facing elements to meet client needs. - Database Management: You'll ensure that the data storage and retrieval systems are effective and efficient. You'll ideally be familiar with the Laravel and CodeIgniter frameworks and use them to execute the projects. While I’m open to all applicants, I am particularly looking for those at an intermediate level who have some experience in handling complex projects...

I'm looking for a skilled developer to create a P2P program specifically designed for Binance Merchant. The main goal of this program is to facilitate fast and secure transactions. Key Components: - The program should primarily focus on conducting transactions in a speedy and secure manner within the Binance Merchant ecosystem. - A user-friendly GUI interface is essential for the program. This will enable easy navigation and interaction for users as they conduct transactions. - The program should be compatible with the Windows operating system. It should run seamlessly and efficiently on this platform. Ideal Skillset: - Proficiency in blockchain technology and understanding of P2P transactions is crucial. - Experience in developing GUI interfaces i...

I'm in need of a PHP Developer for a new project. The parameters and required skills are fairly open, as I've not declared any specific frameworks or preferences. Ideal candidates include those who possess: - Broad knowledge of PHP across various frameworks. Although Laravel, CodeIgniter, and WordPress were the options given, these indications were not selected, thus creating an open space for any skilled PHP professional to apply. - Experience in both website and web application development. There's an opportunity to work on several PHP development projects, potentially ranging from website building, application creation, to API integrations. - An impressive design eye. I've left the space open for any design style you're confident wit...

I'm searching f...searching for a skilled PHP developer to upgrade my project from PHP 5.6 to PHP 8.2. Main functionalities: - User authentication - Database management As part of the upgrade process, I need to: - Access the source codes - Utilize effective debugging skills, ensuring all functionalities of the software are kept intact and continue to work efficiently and effectively once the upgrade is complete. Specific skills needed: - Strong knowledge of PHP 5.6 and PHP 8.2. - Excellent debugging and problem-solving skills. - Prior experience in upgrading PHP versions is a plus. I would appreciate it if you could keep all functionalities and no extra feature or module needs to be added or removed in the upgraded version. Let'...

I have a MySQL database that needs exporting. All user data, product data, and transaction data are required to be exported. Key Tasks: - Export all MySQL user data - Export all MySQL product data - Export all MySQL transaction data The final export should be in Excel format. This is not a job for beginners. You should have prior extensive experience with large database exports and MySQL. It would be a big plus if you're familiar with handling sensitive user and transaction data. As the project involves substantial data, confidentiality and data security are non-negotiable. Please include samples of similar database exporting projects you've completed.

We're looking for a programmer skilled in scraping and converting APIs into PHP or Python code (reverse engineering)! If you have the following skills, join us: 1. Proficiency in JavaScript: Ability to work with this popular programming language and fully interpret and modify codes. 2. Knowledge of Cryptography: Ability to understand and use cryptographic algorithms and methods to comprehend how data is encoded and to transform unencrypted data. 3. Familiarity with Progressive Web Apps (PWA): Deep understanding of PWA structure and methods to bypass installation on iOS. 4. Experience with network monitoring and traffic analysis software such as Fiddler: Ability to use these tools for analyzing network traffic and related information, including identifying and addressing PWA...

Hi Dears, I am looking Laravel Expert on hourly basis. He should be able to improve the quality of code. Also, he should have experience to improve the performance of Laravel website. While bidding; kindly mention: 1. Your per hour rate 2. Previous Laravel Projects 3. Previous Laravel Projects detail where you improved Laravel Project/API Performance 4...am looking Laravel Expert on hourly basis. He should be able to improve the quality of code. Also, he should have experience to improve the performance of Laravel website. While bidding; kindly mention: 1. Your per hour rate 2. Previous Laravel Projects 3. Previous Laravel Projects detail where you improved Laravel Project/API Performance 4. Previous projects where you improved MYSQL performance f...

**Project Title:** Transfer and Enhance PHP/Mysql/Ajax Team Organisation Tool to Flutter Web App **Project Description:** We are seeking a skilled developer to assist in migrating an existing PHP/Mysql/Ajax Team Organisation Tool to Flutter, with the aim of releasing it as a web application. The primary objectives of this project include implementing a robust user authentication system, enhancing work organisation capabilities through calendar events, introducing user profile management for self-updating special user data, incorporating team management by assigning role models such as Teammember, Teamorganiser, Controller, Boss, and Admin, adding communication options to send team emails, chats, SMS, and WhatsApp messages, including timestamp func...

I need an experienced programmer to develop a custom-built website for a Loadshedding scheduler. The project has a high priority and needs to be completed as soon as possible Before 20 May 2024 Basics Summary: The Load shedding Scheduler System is a comprehensive solution designed to address the challenges associated with managing and implementing load shedding in an efficient and organized m... - Understanding of e-commerce and secure online payment methods. - Ability to work under tight deadlines and deliver high-quality work. I'm looking for someone who can start immediately and commit to completing this project promptly. Please provide your relevant experience and a proposed timeline for the project. for skills required on this platform i can only put 5 but include Web Hosti...

As the system architect for a Laravel-based platform, I have been tasked with implementing a highly-functional environment for our users. I possess a wildcard SSL but req...tasked with implementing a highly-functional environment for our users. I possess a wildcard SSL but require assistance in setting it up on DigitalOcean. I am interested in applications from freelancers who: - Have experience with the DigitalOcean ecosystem - Ability to utilize the wildcard SSL certificate on the Laravel site - Proficient with cron jobs Additionally, we would like the GD Library PHP extension enabled for cron jobs. Prior experience with this task will be beneficial. Please share your related experiences and availability. Successful completion of this project may lead to more related jobs in t...

I'm looking for an experienced PHP developer to work on a new E-commerce website. The project involves: - **Website Development**: You'll be responsible for creating a complete E-commerce platform. This includes setting up the necessary pages, product listings, and a user-friendly interface. - **Database Management**: Besides building the site, you'll also be in charge of managing its database. This involves ensuring data integrity, proper storage, and efficient retrieval. Ideal candidates for this project should have: - Proven experience in PHP development, specifically in E-commerce platforms. - Strong database management skills. - Understanding and experience with payment gateway integrations.

Hi please let me know if someone is able to finish a project with PHP and do me a web app panel for api calls on servers, and also email automations.

I require a Linux WHM expert to assist with a critical data recovery issue. Specifically. Suddenly our mysql stop working. We had a dump of data but we need to solve the mysql issue or reinstall it (we can provide WHM and root access), and upload the data dump. Key Responsibilities: - Troubleshoot and resolve the MySQL data recovery issue. - Ensure the retrieved data is accurate and complete. We would like to know why this happends, to avoid it happends in future, by checking server logs. Ideal Skills and Experience: - Extensive experience with Linux WHM. - Proven track record in MySQL data recovery. - Understanding of data security and privacy best practices. - Prompt and effective communicator.

...experienced Shopify app developer to create a specialized app for me. This app should have the following functionalities: 1. Select the Order Date and time slot in the local delivery 2. Select the store pickup address for order 3. Very Pincode for local develiry is available or not this pincode? Require Skill - Shopify Order Edit - Shopify Webhook - REST API - Node.js and React.js - MySQL and Postgres - Javascript, HTML, CSS, Jquery A critical feature I require is the ability to gather specific information with each order. This should include: - The ability to select an order date via a calendar date picker. - Collect and record this order date. Ideal candidates for this project should be experienced in the development of Shopify apps, with a particular e...

I'm seeking a professional to help migrate my existing Grafana 8 alerts to Grafana 10. Your proposal should include detailed project plans and timelines for completing the following tasks: - Alert Configuration: This includes setting up and configuring alerts based on specific metrics, thresholds and conditions. - Alert Rule Mappi...alert notifications to ensure they are received by the relevant parties promptly and efficiently. Ideal candidates should have: - Extensive experience with Grafana and its alerting system - A proven track record of successful alert migration projects - Excellent communication skills and a proactive approach to problem-solving. While not mandatory, experience with Prometheus, Elasticsearch, and MySQL would be a plus given the data sources we'...

..., and its MySQL database on Cloudways. I'm looking for a professional to transfer both the frontend and backend to DigitalOcean. I need help in setting up the server and transferring the database as well. Key Project Requirements: - Transfer existing Angular project from to DigitalOcean - Move existing MySQL database hosted on Cloudways to DigitalOcean - Set up the server on DigitalOcean for hosting the Angular project - Transfer and configure the MySQL database on DigitalOcean - Ensure the migration process is smooth and without downtime - No manual deployment used, so expertise in this area is crucial Ideal Freelancer: - Proficient in Angular for frontend transfer - Experienced with setup and configuration of servers on DigitalOcean - Skilled in MySQL...

I'm in need of a skilled Shopify App Developer to create an innovative, new application that specifically includes an 'Order Date' feature. Key Function: - The primary function of this app needs to be the ability to select an order date. Additional Requirements: - The app must be...'Order Date' feature. Key Function: - The primary function of this app needs to be the ability to select an order date. Additional Requirements: - The app must be easy to use and intuitive. - Requires seamless integration with my Shopify store. Ideal Skills & Experience: - Shopify App Development - UI/UX Design - Knowledge of eCommerce and order processing. - Node.js and React.js Expertise - Mysql and Postgres - Javascript, HTML, CSS, Jquery Looking forward to dis...

Custom Task Management System By ARABIC Language RTL , From Scratch SDLC To Deploy. I have Some Screens to understand Most Requirement> Requirement: PHP Laravel 11 MySQL Jquery CSS Bootstrap All Must be the last versions.

...system program I want to implement this project shown in the video, but there are problems I currently need assistance to work through a series of problems encountered while trying to implement a project with the Zeek Intrusion Detection System program. Here are some specific issues that require expert attention: - Installation Issues: The struggle includes missing dependencies, installation failure, and multiple error messages. - Configuration Errors: Constant stumbling blocks have been encountered during the configuration phase. - Compatibility Problems: I'm facing compatibility concerns with my current system. This project will benefit from a freelancer well-versed in the implementation and troubleshooting of the Zeek IDS program, preferably

We have a device which is transmitting using JT808 , we want to capture that transmission and write in a mysql db. We will not provide documentation on JT808. Do NOT bid if you do not have experience with this protocol. If you have worked before with this protocol, please give a brief explanation of what you did.

I'm facing an issue with my PHP website, wherein some data is missing or malfunctioning on my custom work page. Additionally, I need assistance with customizing the website design - specifically the PHP code. I'm in search of a professional who possesses strong skills in PHP, UI/UX design, and has a good understanding of bespoke web design. It is essential that the freelancer be detail-oriented and able to identify areas of malfunction swiftly. This project will involve: - Debugging the current PHP code to identify and fix issues with data missing or malfunctioning on the customized work page. - Modifying the existing PHP code as part of the website design customization. A portfolio showcasing similar projects where you identified and fixed is...

I need an expert PHP developer with a strong background in developing compilers for higher level languages. Specifically, I'm looking for someone that could create a C and C++ compiler using PHP. No exact functionalities were established, but I would like to use the compiler for developing web applications. Key Responsibilities: - Creating a PHP compiler that processes C and C++ code - Ensure it's functional for web application development Ideal Skills: - Strong PHP knowledge - C and C++ programming - Compiler creation experiences - Web application development understanding Even though the detailed specifics of the project were not established, we can clarify those during our consultation process once I've chosen the right freelancer for this ...

...license key must validate properly in Excel Template PRO. Besides, your work must include: * Order form * Implementing a MySQL database to store all generated license keys. * Building a response system that displays license keys on a 'Thank You' page after purchase. * Setting up an automated email system that sends emails to the customers with their unique license key and a download link to Excel Template PRO. * The email system should also forward invoice details to the buyer with a copy to the site administrator. + The Coder has to create a Macro in my Excel Template to validate License keys connecting to our DB. Ideal applicants will possess: * Proficiency in Python and MySQL. * Experience in API development and integration. * Ability to create unique, veri...

I'm facing an issue with my PHP CURL function where I'm unable to connect to a remote server. This error is specifically coded as 'CURLE_SSL_CACERT (60)'. Key Points: - Need to resolve SSL certificate validation issue causing Error 60. - The project is running in my local development environment. Skills/Experience Required: - Strong experience with PHP and CURL. - Expertise in SSL certificate handling in PHP. - Familiarity with local development environments.

I am in need of a skilled professional with experience in developing a Mitsubishi PLC program. The program is intended to control equipment using PID (Proportional, Integral, Derivative) control system. It should be able to handle both analog and digital input/output signals. Key requirements include: - Developing a Mitsubishi PLC program for PID control - Integrating both analog and digital input/output signals into the PLC program - Ensuring the program is efficient and effective in controlling the equipment The ideal candidate should have: - Proven experience in developing Mitsubishi PLC programs - Expertise in PID control system - Previous work with both analog and digital signals - Ability to deliver efficient and effective control systems I have ...

Project Deadline: 1 Day Project Budget: $40 Project Type: PHP (8.2 and above) Server Type: Linux Ubuntu Project Overview: We have an existing PHP script that calls the OpenAI API & outputs the decoded JSON response. We want to add Replicate API () to use the meta-llama-3-70b model & add a flag to the code to allow us to choose whether we want the PHP script to use OpenAI or Llama 3 (70B). The output format from Replicate API must match the OpenAI API response Reference File: 5* FEEDBACK WILL BE LEFT FOR YOU

I'm in need of an expert with outstanding knowledge of Gluster Configuration, Forge Laravel, Linode, and nginx configuration to help deploy my Laravel application. You will employ the Forge Laravel server operating system for this project and will be required to set up a MySQL database to work in concert with my app. I'm looking for someone with: - A solid understanding of Laravel application deployment using Forge - Proficient skills in server configuration with nginx - Extensive knowledge of MySQL databases and their integration with Laravel projects - Experience with Linode If you are proficient in these areas, then you're the person I'm looking for. Please shoot me a bid and let's get to work!

I seek a savvy coder to build a Google Sheet script focused on automated calculations for financial figures. The tailored script will enhance financial management efficiency, contributing to accurate and speedy number crunching. Key Responsibilities: - Developing a google sheet script for automatic calculations - Ensuring seamless operation without errors Skills and Experience: - Proficiency in Google Sheets and scripting - Relevant experience in automating calculations - Strong knowledge in finance, ideally prior experience working with financial figures - Strong attention to detail as the script's accuracy is paramount.

... Features: * E-mail me the Lead with all information collected * Save in Google Sheets as a database * Main thing is to have it look nice and don't look out of place, similar font style, sizing, font size, etc * Use embed code to copy and past into my page builder * Create a plugin to help me customize the quiz, like images, text & size, etc. Desired Programming Language: PHP / SQL * I'm looking for the best deal possible, please be very competitive. * Milestone release upon completion of the project & is bug-free. * Need Source Code when Job is Complete, After any Bug fixes, and Updates ⭐⭐⭐⭐⭐ Please post "I've read everything" when applying to be considered, too many bots applying. Failure to do this step, you will not be contacted ⭐⭐⭐⭐⭐

I wa... * E-mail me the Lead with all information collected * Save in Google Sheets as a database * Main thing is to have it look nice and don't look out of place, similar font style, sizing, font size, etc * Use [Shortcode-14] to embed into my page builder * Create a plugin to help me customize the quiz, like images, text & size, etc. Desired Programming Language: Wordpress Plugin / PHP / SQL * I'm looking for the best deal possible, please be very competitive. * Milestone release upon completion of the project & is bug-free. * Need Source Code when Job is Complete, After any Bug fixes, and Updates ⭐⭐⭐⭐⭐ Please post "I've read everything" when applying to be considered, too many bots applying. Failure to do this step, you will not be contacted ⭐⭐...

I have a billing software for my medical store : , it is a CRM and billing software . This crm is used only for one branch , I have multiple branches so please convert this crm for multiple branch usage . Source code: I'm looking for a skilled PHP developer to create an addon which will involve user authentication, data encryption and integrating a payment gateway. The ideal candidate would have experience using Laravel and CodeIgniter frameworks. The addon's user interface should be designed in a modern and sleek style.

My requirements: I'm looking for a skilled PHP developer to integrate PhonePe PG into my website. The integration should include advanced customization options. Key requirements: - Expertise in PHP and Payment Gateway Integration - Experience in customizing payment gateways and designing UI/UX - Thorough understanding of PhonePe PG The project will involve: - Integrating the PhonePe payment gateway into my website - Customizing the payment options and design to suit my website's interface - Ensuring a seamless, secure and user-friendly payment process The final deliverable should be a fully functional payment gateway integrated into my website, with a unique design and payment options.

I am in need of a professional to convert a CSV file with about 3000 lines into a .sql file, ready for flawless loading into a MySQL database. THIS HAS TO BE DONE WITHIN THE NEXT 60 MINUTES. PLEASE DO NOT BID UNLESS YOU CAN DO IT IMMEDIATELY. THANKS. Payment will be $25. US Key tasks: - Convert provided CSV file into a .sql file - Ensure Date/Time values are formatted according to MySQL Date/Time format - Format numeric values as FLOAT within MySQL - Configure date/time values to match my local timezone Skills & Experience: - Proficient in SQL - Experience with MySQL databases - Attention to detail and accuracy Understanding of Time Zones would be a complimentary bonus. This project requires quality and accuracy. Thanks in advance for your valuable ...

...users should be able to change chart view to 1m, 5m, 15m, 1D, 15D, 3M, 6M, 5Y. Key requirements: - Creation of a live stock chart - Integration with stock price and volume API's - Interactivity with hover details - Web platform development - Needs VWAP indicator - Needs 1m, 5m, 15m, 1D, 15D, 3M, 6M, 5Y views The ideal candidate for this project should have: - Proficient skills in Javascript, AJAX, and PHP - Proven experience in building live charts - Familiarity with stock price and volume data - Strong understanding of web platforms and interactivity - Excellent communication skills and ability to understand and interpret my needs. - Using , or another platform is ok as long as this works within a Wordpress / Elementor website. If you've got the skills and...

The following tasks need to be completed: - Migrate mysql to new xampp - Ensure all configuration and data are retained during conversion.

I need a WooCommerce plugin that will enforce a time limit on the user's cart with specific products. - **Product Specification**: The plugin should allow me to specify a particular product for time-limited checkout. - **Tim...product for time-limited checkout. - **Time Limit Enforcement**: The customer should be prompted to complete the purchase before the time limit expires. - **Automatic Removal**: If the customer exceeds the time limit, the specified product should be automatically removed from the cart. Ideal Skills and Experience: - Proficient in WooCommerce and WordPress Plugin Development - Competent in PHP, JavaScript, and MySQL - Previous experience in developing time-limited cart functionalities is preferred - Strong understanding of e-commerce practices an...

I'm looking for a skilled developer to implement OAuth 2.0 Single Sign-On (SSO) into my existing PHP application. The main goal is to enable seamless authentication for an iframe within the application. Key Responsibilities: * Implement OAuth 2.0 for the iframe inside PHP application * Interface with an existing API to enable secure authentication Ideal Skills and Experience: * Expertise in PHP Programming and OAuth 2.0 integration * Solid experience working with APIs and iframe authentication * Knowledge in secure coding practices for SSO Your deep understanding and hands-on experience with OAuth 2.0 and PHP programming will be crucial to successfully complete this project.

...performance and ensure compatibility across various devices and browsers Integrate third-party APIs and services as needed Conduct thorough testing to identify and resolve any bugs or issues Provide ongoing support and maintenance for the website and plugins Requirements: Proficiency in WordPress development, including theme and plugin development Strong understanding of PHP, HTML, CSS, and JavaScript/jQuery Experience with MySQL databases and SQL queries Familiarity with version control systems such as Git Knowledge of WordPress security best practices Ability to troubleshoot and debug issues effectively Excellent communication and collaboration skills Attention to detail and a commitment to delivering high-quality work Duration: This is initially a one-month project w...

I'm in need of a PHP developer who can help me update my current system. The goal is to unencode emails with 'Content-Type: text/html; charset=utf-8' and 'Content-Transfer-Encoding: base64' and then save the body, along with the subject, sender, recipient, and date into my existing MySQL database. Key Requirements: - Use PHP to unencode the email and save the content into MySQL - Omit attachments from this process - Ensure the subject, sender, recipient, date, and body are accurately stored in the database Ideal Skills: - Proficiency in PHP and MySQL - Experience with email parsing and decoding - Knowledge of email headers and MySQL schemas - Attention to detail to ensure all data is correctly stored NOTE: Files w...

I'll make adjustments to your wordpress and PHP based website and webserver based on your requirements.

Looking for expert DBA having an experience with Amazon RDS MySQL 8 Community edition. Lot of queries are stuck in "executing" state without any kind of database table locking. Most of the queries stuck are all "SELECT" queries. The queries itself is fully optimized using joins and indexing for better performance and those are regular queries which are executing just fine without any issue since many months. If you have a VAST amount of AWS experience, reply with the text "I have a vast amount of AWS experience and I am available right now to help." Thanks! --- Comments below are from AI -- I am in urgent need of AWS server administrator to resolve critical issues with my EC2 and RDS services. The server is currently experiencing performance degrada...

Make the design and functionality as reference website Also make 3 pages(1st mile stone) which is mentioned in the reference website Images will be provide by the client

Make the design and functionality as reference website Also make 6 pages which is mentioned in the reference website Images will be provide by the client

My website's been redirecting to suspicious pages. I do regular security scans and have a recent backup. - **Issue**: Site's redirecting to suspici...pages. I do regular security scans and have a recent backup. - **Issue**: Site's redirecting to suspicious pages. - **Current Security**: I run periodic security scans. - **Backup**: I have a recent backup. I need a professional who can: - Identify and remove all malicious code from my WordPress/PHP website. - Ensure the site's restored to its normal function. - Provide advice on further security measures to prevent such issues in the future. Ideal candidate should: - Have a strong background in PHP and WordPress. - Be experienced in identifying and removing malicious code. - Be able to provide security ...

I am seeking a Python programmer who can develop a program for me. This program will be responsible for certain data manipulation tasks, following specific rules and functionalities. This is quite an interesting and challenging project which may involve the following: - Writing a Python program that will filter or block specific tags. - Implementing a tag hierarchy, ensuring correct relationships and positions. - Applying formatting rules based on the tags. The ideal candidate for this project should have a strong expertise in Python, as well as a good grasp of data manipulation and structuring. It would be favorable if you have experience with similar projects involving tag-based data handling. Your efficiency in coding, attention to detail, and problem-solving skil...

I'm seeking a skilled backend developer to assist with API development and integration with a MySQL database. To help build a website that has this purpose- The purpose of the 'Thai Wills' web application is to provide a user-friendly platform where registered users can create legal wills online. The application aims to simplify the process of will creation through an automated system for basic wills, while facilitating access to legal services for more complex will situations. Scope • The development of the'Thai Wills' web application which includes user registration, questionnaire-based will generation, and an interface for admin and legal professionals to manage and facilitate the will creation process. The scope includes: ▪ Basic will creation th...

I'm in need of an experienced Excel programmer to create a customized program for data analysis. The primary purpose of the program is to assist in data analysis. Thus, it should help in organizing and interpreting large sets of data. The program will need to handle data from two main sources: - Text files (CSV, TXT) - Manual input The ideal freelancer for this job should have a strong background in Excel programming and data analysis, with specific experience in handling various data types and creating efficient, user-friendly Excel programs. Key Skills: - Proficient in Excel programming - Skilled in data analysis - Experience working with text files and manual input - Ability to create user-friendly applications - Understanding of data organization an...