Wordpress plugin read javascript php databaseроботи

...прогресу проектів компанії. Необхідна кваліфікація: - Досвід реалізації та підтримки баз даних, перевага надається досвіду з Artiable - Розуміння функціональних можливостей Artiable або інших баз данних та можливість адаптації під бізнес процеси. - Хороший досвід системної інженерії або системного адміністрування; - Розуміння архітектури Баз данни; - Досвід адміністрування Баз даних від 1 року; - JavaScript/Python — 2 роки досвіду; - Командний гравець, висока мотивація та здатність працювати у гнучкий графік; - Здатність використовувати широкий спектр технологій та інструментів з відкритим кодом. - Відмінні комунікаційні навички та здатність співпрацювати з різними командами. - Здатність вирішувати проблеми та приймати швидкі рішення в динамічному робочому середовищі.

Greetings. Dear freelancers. I am interested in finalizing an open-source project: I am interested in the complete removal of all games except minecraft. (Or placing them in sepa...That is, there are already two types of authorization implemented there, either through mail (nickname) or through microsoft/mojang, I want the standard login through mail (nickname) to remain, and the licensed login through microsoft/mojang to be placed in a separate module. Also, I need to rework the store module and add the possibility of monthly subscriptions to it. Ideally, the module should be cleaned of all built-in payment methods it provides by default. The project was developed in Laravel using BootStrap 5.

Все,що на картинці є,потрьне бути втілене на html,scss та у сі графіки які там є,повинні бути зроблені на JavaScript. Розмітка повинна будти дуже схожа як на картинці

...бачимо відповідальну, достатньо комунікабельну та професійну людину, яка захоплюється тим що робить. Любить складні та цікаві проєкти, та може запропонувати оптимальні рішення для реалізації складних задач. Наша команда: У нас зараз невелика команда, з досить широким досвідом розробки та аналітики даних. Саме над цим проєктом у нас є Дизайнери, Розробник картографії на MapBox, Архітектор БД, Javascript-програмісти. Що для нас важливо: • Комунікабельність та відкритість. Якщо щось зроблено погано, то так і говорими Нам не хочеться витрачати час на якісь непорозуміння. Є питання – узгодили, прояснили і пішли далі; • Відповідальність та довіра. Нам важливо прогнозувати і планувати реалізацію проєкту та його запуск у строк. З іншої сторони всі дорослі люди і в нас н...

Необхідно доробити JavaScript/CSS на сайті WordPress детальне ТЗ тут

Для нашого онлайн магазину шукаємо PHP розробника фрілансера Маємо два цікаві проекти. Завдання: Шукамо фрілансера для розвитку наших веб-магазинів електронної комерції за допомогою найсучасніших веб-технологій для різних пристроїв (мобільних, планшетів) Профіль: • Хороші знання з програмного забезпечення (об'єктно-орієнтований дизайн, шаблони проектування, тестування) • самостійна робота та вирішення проблем • високий рівень мотивації • Досвід роботи з PHP, Symfony, Laravel або Zend, є перевагою • Вільне володіння німецькою чи англійською мовами • Дуже хороші знання PHP, MySQL та JavaScript • Добре знання HTML (5) та CSS (3)

Потрібно поступово (по частинах) переписати застарівший самописний PHP інтернет-магазин з асортиментом декілька тисяч товарів на фреймворк Django, розширюючи його теперішній функціонал. Обов'язково: - попередній досвід веб-розробки на Django; - досвід створення RESTful API; - розуміння PHP. Бажано: - досвід на подібних проектах в ролі Senior; - досвід роботи з Flask; - досвід роботи з Vue.js; - досвід роботи з PostgreSQL.

needs to be finalized - add btc, payeer, perfect money, yandex money, visa / mastercard, pay pal payment methods. And also to add the calculator of interest calculation concerning the purchased investment packages by the client (so that the client can see the purchased package and accruing on it depending on the elapsed time and for the current period after payment in his own office). Change the site's payment currency to dollars, euros, rubles, pounds. The project budget is 50 Euros, but we can discuss.

Рекламна агенція Афіша Прикарпаття шукає PHP-програміста для виправлення технічних помилок на сайті ap.if.ua. Сайт написано за допомогою фреймворку Laravel, попередній програміст пояснить всі технічні деталі. Приблизна вартість всіх виправлень на сайті - 10000 грн. Можливо будуть добавлятись нові пункти, за додаткову оплату. Якщо працювати 5 днів в тиждень то все можна закінчити приблизно за пару тижнів, залежить від ваших навичок. Нам потрібна тільки людина з Івано-Франківська(та області) для того, щоб ми могли зустрічатись в офісі Афіша Прикарпаття, також при необхідності можливе виділення робочого місця.

Привіт, олексій. Маємо для тебе цікаву інформацію про роботу на парттайм :) Ми плануємо цілий сет інтеграцій першою може бути Visual Studio Code - таку саму штуку тільки для VSCode пізніше ще кілька інтеграцій. вже з іншими системами GitHub crowdin/a. Що скажеш? :)

Для реалізації клієнтської частини сайту повинна використовуватися мова розмітки HTML5 та каскадні таблиці стилів (CSS). Для реалізації інтерактивних елементів клієнтської частини повинна використовуватися мова JavaScript. При розробці клієнтської частини може використовуватися фреймворм Vue або ReactJS. Серверна частина сайту повинна бути написана мовою високого рівня Рубі з використанням фреймворку RubyOnRails 5.1

Для доробки проекту одного з проектів потрібен Ruby on Rails Developer. Приблизний об’єм робіт 20-40 годин. Робота віддалена, оплата погодинна. Вимоги: 1+ досвіду роботи, як Ruby on Rails Developer Досвід роботи з HTML, CSS, JavaScript Досвід розробки сайтів на Ruby on Rails Просимо до резюме додати приклади реалізованих сайтів та рейт $/год

Необхідно розробити jquery плагін, що буде дозволяти дінамічну зміну компонентів продукту та їх опис з подальшою передачею результату в базу даних (до кошику, окремою кнопкою). Можлива доробка існуючого скрипта () або розробка нового. Обговорюється. У разі швидкого успішного виконання можлива постіна співпраця на довготривалому проекті. We need and jquery plugin, that will allow a dynamic changing of pruduct options (look) and its description with sending the result to db (add to cart, separate button). You can update the existing script ([login to view URL]) or write the new one. It's a matter of discuss. It's possible to get a long term deal if this project will be finished well

Проэкту Потрібен розробник javascript. Співбесідна у офісі КИЇВ -робота віддалена по тікетам з JIRA. (можливі наради в офісі)

Доброго дня. Я партнер міжнародної IT-компанії, яка займається розробкою додатків та сайтів (від звичайних лендінгів до повноцінних адмін-сторінок) для американського ринку. Ми шукаємо працьовитих і готових до навантаження PHP девелоперів. У команді мало людей, тож усі мають достатньо роботи і справді дружні між собою. Майже усі наші працівники з України, тож проблем з комунікацією немає. Більшість контактів будуть здійснюватись через менеджерів компанії та мене, тож безпосередній контакт з клієнтами англійською буде відсутній. Однак володіння англійською хоча б на простому розмовному рівні потрібне, оскільки мій парнер по бізнесу - американець, і комунікація з ним у вас буде. Розпочати роботу ви зможете після кількох етапів відбору (тест на навики та коротка скайп-розмова) та р...

I need to create a database of Ukrainian: - real estate agencies offering foreign property, - investment / financial firms offering foreign investment property. Database must be devided in two parts: 1. Company from Kyjev 2. Company form other parts of Ukaraine. Database scope: Name of company, Town, Email address, Web site ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Мені потрібно створити базу даних української мови: - агентства нерухомості, що пропонують іноземну власність, - інвестиційні / фінансові фірми, що пропонують іноземну інвестиційну нерухомість. База даних повинна бути розділена на дві частини: 1. Компанія з Києва 2. Фірма утворює інші частини Укарайна. Обсяг бази даних: Назва компанії, місто, адреса електронної...

ШУКАЄМО JUNIOR/MIDDLE JAVASCRIPT DEVELOPER! НЕОБХІДНІ НАВИЧКИ: - NodeJS; - AngularJS; - English level В1-В2. БУДЕ БЛЮСОМ ЗНАННЯ У: - знання Grunt; - знання Bower; - знання сервера Heroku (for deploy). УМОВИ: погодинна оплата; фултайм проект; приблизна тривалість проекту: 2-3 місяці. ЦЕ ВАШ ШАНС РОЗВИНУТИ СВОЇ ВМІННЯ І НАВИЧКИ ТА ОТРИМАТИ ХОРОШИЙ ДОСВІД!

Віддалена робота на повний робочий день з 9:00 до 18:00 год.(1 год обід) Вимогою обов'язкове володіння чистим Javascript. Досвід роботи від 2 років верстки з psd макетами.

Я маю довгострокову роботу, яка пов'язана з нашим попереднім проектом 'Change Framework CMS from Shopify to Prestashop - PHP, HTML, CMS, SQL'

We need to create a plugin that will handle the matching of products with the specific types of cars. The types of cars are actually the combination of the following data: CarTypeId - Maker - Model - Year - RoofType Their relationship should be many-to-many, so we probably need a middle table that contains their combinations CarTypeId - ProductSKU The above is just a suggestion and additional columns or different implementations can be used. The plugin should implement the following: DATA Import: A way to import data from Excel file (example file attached). The import file might contain data for many SKUs and should overwrite the data of every specific SKU. As a result all the matching of Cars to SKUs is actually done in the Excel file. Products Filtering: Ability to filter...

I am in need of a proficient developer to create a web application, specifically a sniper app, for the TON Network Blockchain. I am open to the usage of JavaScript, Solidity, and nodejs for this project. I didn't specify the exact features, however, if you have experience with crafting applications of a similar nature, I'd prefer to see your take on it. I have an immediate need for this project, hence it is important that the work is completed as soon as possible. - Key Skills: JavaScript, Nodejs, Solidity - Experience: Previous work on sniper apps or similar projects, familiarity with the TON network blockchain would be highly advantageous.

I'm in need of a WordPress expert to install and configure Yoast SEO plugin on my site. The task primarily involves: - Expert installation of Yoast SEO plugin - Proper plugin configuration to ensure optimal site performance - Allowing for efficient future content management Ideal candidates should have a solid background in WordPress plugin installation and configuration, preferably with Yoast SEO plugin. Proven expertise in SEO strategies and practices is highly valued for this role. The goal is to effectively improve site SEO through this plugin installation. Substantial experience in similar projects is a huge plus.

...Utilize web scraping techniques to extract data from selected websites. Automate the extraction process to ensure accuracy and efficiency. Clean and structure the collected data into readable and usable formats. Integrate the extracted data into a database or spreadsheet as needed. Collaborate with our team to understand specific requirements and ensure the quality of the obtained data. Requirements: Demonstrable experience in web scraping using tools like Python (Beautiful Soup, Scrapy), Selenium, etc. Solid knowledge of HTML, CSS, and JavaScript to understand the structure of web pages. Ability to work independently and meet established deadlines. Excellent communication skills and ability to work in a team. Preferably, previous experience in data extraction projects re...

I'm seeking a skilled Full Stack Developer with extensive experience in PHP to develop a web application. The primary functionalities I'm looking for in this project are around the API and the ability to handle data updates. Key Requirements: - Expertise with PHP: The ideal candidate should have a strong background in PHP, with the capability to develop robust and efficient code. - Full Stack Proficiency: The project requires both frontend and backend development. Proficiency in both areas is crucial for the success of this project. - API Development: You should have experience in developing APIs, especially around data updates. This is a core part of the requirements. The project is focused on developing a web application and ensuring that the API is cap...

Main notes: - can be developed a variety of ways, but mainly wordpress is what I'm looking for. - should be easily accessible and usable on pc, phone, tablet. - requires the user to make an account with the website before its use. I am currently designing the website, and looking for this program to be created externally on wordpress or whichever way will fit in the budget. Important: Please only consider this project if you will are okay with the budget, and have read through the project outline. Thank you. Project details: basic functions: (the main function is to show what time the user has to work on their goals, and generate a schedule for them to use, factoring in all their tasks in their daily lives) - asks for users input on 'how discipline...

I require a Visual Studio expert with proficiency in HTML, CSS, JavaScript, and reactJS to build an engaging site. Key Aspects of the Project: - Development of a Responsive design - Crafting an Interactive User Interface - Ensuring Dynamic Content Updates In applying, please include in your proposal: - A portfolio showcasing your Past Work, as this would give a clear understanding of your style and quality of work. Expectations for Code Quality: - I value proper framework and clarity. Hence, I anticipate code that demonstrates strict Adherence to Coding Standards. Extensive experience with reactJS and an immaculate understanding of responsive design concepts would be beneficial for this project. Efficiency, attention to details and a creative problem-solving approach are prereq...

I'm in need of a skilled HTML - CSS - JQuery developer who can help me build a creative a content to add Describtion on the Images. We need for our Ticket system a to upload image and mark them and create Task for that. We will provide u the the HTML Page where u have to add ur work on it. Key responsibilities: - Designing a creative website that stands out - Ensuring the website is fully responsive for mobile devices - Implementing animations and transitions to enhance user experience Ideal skills and experience: - Strong HTML, CSS, and JQuery skills - Experience in creative website design - Proficiency in creating responsive layouts If you have the required skills and can help me build a creative, responsive website, I'd love to hear from you.

I'm currently experiencing a syntax error within a data retrieval process in my SOAP database management system. This error is interrupting the smooth functioning of my website and application. Requirements: - Extensive knowledge and experience in PHP and SOAP. - Proven track record of successfully resolving syntax errors, particularly within data retrieval processes. - Ability to identify, debug and promptly solve syntax issues. - Ability to work efficiently, ensuring minimal downtime during fixes. Additionally, recommendations for preventing similar issues in the future would be appreciated. The ideal candidate should be available to start as soon as possible.

I am seeking a proficient Flutter developer to create an application for both iOS and Android platforms, with integral backend development using PHP/MySQL. Key Responsibilities: * Develop a Flutter app for both Android and iOS platforms. * Backend development of the app using PHP/MySQL. * Creation of Data fetching APIs for seamless user-experience. Ideal Skills: * Proficient in Flutter * Extensive experience with PHP/MySQL backend development * Skilled and knowledgeable in creating Data fetching APIs If you have proven experience in similar projects, I am willing to discuss the details further. Your understanding and expertise in Flutter development and API creation is paramount for this project.

I'm currently in need of a WordPress developer with a keen understanding of plugin integration. Specifically, I have a plugin earmarked for the purpose of boosting my website's speed performance. Ideal experience and skills: - Proficient in WordPress development and plugin integration - Previous work involving website speed optimisation - Comprehensive understanding of performance metrics - Knowledge in resolving potential compatibility issues with existing plugins Your main task will involve: - Integration of a specific plugin designed to enhance website speed - Ensuring the plugin is functioning properly after integration - Providing a comprehensive report on the improved speed performance The current speed performance of t...

I'd like some assistance in completing the customization and setup of my ongoing WordPress project. Looking for a freelancer with the following skills: - WordPress Design customization: Someone who can effectively change the color scheme of my website and add custom graphics to enhance visual appeal. - WordPress Plugin Installation: Must be proficient in SEO optimization plugin installation and setup to enhance the visibility of the site. Experience with WordPress and a keen eye for design are crucial for this project's success.

I'm in need of an expert in Python, HTML and JavaScript programming. I am working on a project that involves developing a software tool. Key tasks involve: - Python programming - HTML development - JavaScript programming The main goal is to develop a high-functioning software tool. The ideal candidate should have expert level experience in all three programming languages. Your proven track record and portfolio of similar projects will help you stand out. This meticulously demanding job needs the best of the best. I am counting on your commitment to detail and your cutting-edge proficiency to produce a highly reliable software tool.

I'm looking for a skilled 3... etc) - All some sort of round shape - 4 of them in a low-poly style - create any design really - Size: Between 5 to 20cm - Results need to be as-is 3d printable and usablte straight away. I need: - Full rights on the results - Files in formats .step, .stl and originating format of your used application. I do not care which one you use to fulfill this job - one zip containing all files. Should read like , , , vase2.step... and so on I know such vases can be designed in fusion360 in less than 5 minutes each, i just have no skill in that and no creativity for vases. So do not even consider offering if you want to bid like 2-5 days or something. One more thing: Designs need to be made individually without any blueprint off the internet

I'm in need of an experienced backend developer to create a mail parser with the following specifications: - **Email Protocol:** The mail parser should support SMTP, so proficiency in this area is a must. - **Primary Goal:** The primary function of this mail parser should be storing emails in a MySQL database. If you have experience with database integration, this would be a big plus. This project requires expertise in backend development, specifically with an understanding of how SMTP works. You should also be familiar with MySQL and have experience in integrating databases into applications. Please provide examples of similar projects you've worked on in your proposal. Thank you.

I need a VA with Wix store experience, a keen eye for detail, and proficiency in spreadsheet management. You'll be tasked with: - Keyword Optimization: Adjust the product titles on my Wix store to ensure they are optimized for search engines. Experience with SEO would be beneficial for this. - Database Creation: Develop a comprehensive database for all my products. This will include attributes like Product names, Product prices, and Product URLs. - Formatting: The database should contain separate columns for each product attribute. Strong organizational skills and experience with data entry would be ideal. Ultimately, the goal is to streamline the management of my product listings for a smoother business operation. Prior experience with Wix and creating pro...

I need a proficient PHP developer experienced in manipulating URL accessibility. Ideally, only Google bots should access the URL, keeping the link invisible to all other including real human. The task requires the ability to: - Leverage PHP to restrict access to the specific URL; - Use user agent string detection to discern between Google bots and real human users; - Block all real users, regardless of their geographical location or device used. Your extensive background dealing with PHP, coupled with a solid understanding of user agent strings, is essential for this project. If you have previous experience working on similar projects, those will be advantageous. Please share examples of your past work if possible.

I would like to implement a filtering feature in a dropdown menu. A text field will allow displaying only the elements starting with the letter I just typed. Je souhaite ajouter une fonctionnalité de filtre dans un menu déroulant. Un champ de texte permettra d'afficher uniquement les éléments commençant par la lettre que je viens de taper

I'm in need of a talented PHP Nextjs developer for a project involving a range of tasks including Backend development, Frontend development, and API integration. If you're well versed in PHP and JavaScript, and have extensive experience working with , this could be the ideal project for you. Key Tasks: - Backend development: I require a skilled developer to build and maintain the server-side of the web application. - Frontend development: I need assistance with the development and maintenance of the client-side of the application. - API integration: Experience integrating various APIs is a must for this project. Specific Features: - User Authentication: You'll be responsible for implementing a secure and user-friendly authentication system. - Databa...

I need a WordPress plugin that can handle shipping details seamlessly - ensuring timely order processing and customer updates. Key Requirements: - Mark Orders as Ready: The plugin should allow for both automatic and manual marking of orders as ready in Sequell after being placed in WordPress. This is crucial to ensure the system is user-friendly and flexible. - Generate Tracking IDs: The plugin must be able to create tracking IDs for the shipping orders. This feature is essential for order tracking and to provide customers with accurate shipping details. - Customer Updates: I prefer that the plugin notifies customers via email and with in-site notifications on WordPress. This will help ensure customers are updated on their order status in ...

I'm looking for an experienced developer to integrate Typesense search functionality with my web application. My site primarily uses JavaScript, and I want to make the product listings searchable through Typesense. Key Requirements: - Integrate Typesense search with my existing web application that is built in JavaScript. - Implement real-time search capabilities for product listings. Ideal skills: - Strong experience in JavaScript - Previous work with Typesense or similar search engines - Understanding of real-time search functionality This is a critical project as real-time updates are key for my product listings. Please provide examples of your previous work with Typesense or real-time search in your bid.

I'm seeking an exam invigilator assist for an on-site exam in La Ceiba. We provide test administration services to test-t...worldwide. For this purpose, we look for professionals who we contact on an "as-needed" basis work at professional centers administering certifications. We provide complete training and assignments pay hourly for the entire scheduled time, even if the exam ends early. We have an assignment coming up where a test taker has been approved to have the exam read outloud to them. For this assignment, you are required to be present on-site, and read the exam content aloud to the test taker. The exam is taking place at a professional testing center in Ceiba, Costa Rica. Date: Wednesday, 24 April, 2024 Time: 7:30 am to 12:45 pm We provide fu...

...SaaS Pegasus boilerplate is highly preferred, as the project will be based on this framework. Stripe Integration Experience: Must have experience in integrating Stripe for handling subscriptions and billing processes. API Integration Skills: Ability to integrate third-party APIs is crucial, particularly for managing mobile proxies. Frontend Proficiency: Comfortable working with Tailwind CSS and JavaScript, React experience is a plus as the frontend may require custom development. Project Goals: To create a reliable and user-friendly platform where users can easily manage their mobile proxy subscriptions. Implement secure, scalable solutions that handle user data and proxy configurations effectively. Provide seamless Stripe integration for subscription management and secure payme...

I am currently utilizing the WooCommerce MPGS payment gateway on my WordPress site. I am seeking a skilled WordPress developer to update the WooCommerce MPGS plugin on my site.

I am using Mec event calendar with woocomerce and user dashboard integration I need little bit configuration. 1. User who bought the the pack of lessons redirecting to dashboard 2. Woocomerce product must be show at the user dashboard Choosing at calendar when he want have lesson(selling 10 hours pack) each lesson goes 1 hour so need able to choose 10 times and choose the teacher ( in our plugin its speaker so need to change just name speaker to teacher) 3. Teacher can login and make his availability and only his students.

I'm looking for a skilled individual who has a good understanding of Mechanical Engineering and Data Science to help me set up a database that records the live feed of on-board sensors in a car. Key Responsibilities: - Utilizing an On-Board Diagnostic Tool and an app to record the data - Implementing a database to store the collected sensor data - Analyzing the data primarily for predictive maintenance using statistical analysis Ideal Skills: - Mechanical Engineering background - Proficiency in working with On-Board Diagnostic Tools - Strong experience in statistical analysis - Knowledge of database management systems and data analysis tools - Experience in predictive maintenance is a plus This project requires attention to detail, analytical thinking, and the...

I need an Android service developed that continuously captures GPS location data in the background, enabling real-time tracking. Key Deliverables: - A service that can consistently capture GPS location data in the background - even when the app is closed. - The capture precision of the location data should be within 10 meters. - This data must be updated every 5 minutes to ensure accurate real-time tracking. Skills & Experience: - Strong proficiency in developing Android services. - Prior experience with GPS location tracking in background mode. - Demonstrated ability to deliver high-precision location data.

I am searching for a Product Analyst who can apply their knowledge towards data analysis, market research, and performance monitoring. Its a small assignment This assignment involves diving into a snowflake database to explore how customers behave. The goal is to find useful information that can help the Product team make decisions to make the business grow. After you uncover insights, you'll suggest changes to the product, like adding new features, making current features better, or even getting rid of features that aren't working well. You need to do the analysis, create graphs to show your findings, share all the code you used, and also come up with a plan for an A/B test to try out one of your suggested changes. Note: Its a short assignment, not spend more than tw...

I'm looking for an experienced WordPress developer who can help me add a special functionality to my existing websites by creating a custom plugin. This role is ideal for someone who has: - A high level of competency in PHP, JavaScript, and MySQL and is experienced in WordPress. - Strong understanding of the WordPress plugins ecosystem and knowledge on how to extend its functionalities. - In-depth knowledge of SEO and how to enhance it on a WordPress website. Key Tasks: - Develop a WordPress plugin that targets SEO enhancements. - Test the plugin for compatibility issues and fix any bugs, ensuring it works harmoniously with our existing setup. - Understand our needs and respond to them by customizing the plugin...

...frontend design created with HTML/CSS/JS. Key Responsibilities: - Collaborate with me to implement an updated branding for the website - Create a responsive design that looks great on all devices - Incorporate interactive sliders into the layout to engage users - Develop customizable templates for different sections of the website Ideal Skills and Experience: - Proficiency in HTML, CSS, and JavaScript - Experience with branding updates and website redesign - Strong understanding of responsive design principles - Proven ability to create interactive elements like sliders - Excellent communication skills to collaborate with me on the design If you have an eye for design, a knack for coding, and a passion for creating user-friendly websites, I'd love to hear from you. Here...

...loading times and database slowdowns, which is unacceptable as I regularly have more than 500 concurrent visitors. The primary focus of this project will be optimizing the server's Plesk settings, Postgres and MariaDB databases, and PHP 8.2 configuration. Key tasks will include, but are not limited to: - Configuring Plesk for optimal performance, including adjusting server pool size - Identifying and implementing improvements to Postgres and MariaDB settings to reduce slowdowns - Tuning PHP 8.2 to enhance website speed and performance Ideal candidates for this project will have: - Proven experience in optimizing dedicated servers, particularly with Plesk and Almalinux - A solid understanding of database optimization, including Postgres and MariaDB -...