Apache derby mssqlcông việc

Tìm cộng tác viên Data Engineer Freelancer Thời gian làm việc khoảng 20h/tuần Mức lương 50k – 100k/giờ. Open cho bạn nào muốn làm việc và trả lương theo task Làm việc từ xa, thời gian linh động Công việc chính là HỖ TRỢ TÌM HIỂU về các công nghệ như Apache Airflow, Apache Druid, Apache Kafka, graphQL, flask, postman, MQTT, dashboard/ webapplication, OBC, Moxa, v.v…

Task 1: Mô tả: Sử dụng DruidOperater (hoặc 1 Operator khác chuyên để kết nối với Apache Druid) trong Apache Airflow để nhập dữ liệu (ingest data) vào Apache Druid Ngân sách: 100k-200k (VND) Task 2: hướng dẫn cách thêm 1 cột dữ liệu trong Apache Druid database Ngân sách: 100k-200k (VND)

Yêu cầu 1 : Chỉnh sửa menu + Tạo thêm 1 cấp menu cháu ( hiện tại mới có menu cha và con , chưa có cháu ) + Chỉnh sửa menu nhấn vào menu Cha này ra toàn bộ các sản phẩm trong menu con và cháu hiện tại mới chỉ menu con ra được sản phẩm Yêu cầu 2 : Tạo slider cho ảnh sản phẩm chi tiết , hiện tại phần chi tiết sản phẩm mới hiện thị được có 1 ảnh

...hàng không - Kết nối API với các đối tác doanh nghiệp - Phát triển hệ thống dựa theo nền tảng Lavarel - Ưu tiên người Việt Nam * Yêu cầu - Kinh nghiệm: Có kinh nghiệm > 2 năm triển khai/ quản trị hệ thống hạ tầng - Thành thạo ngôn ngữ lập trình PHP - Có ít nhất 2 năm kinh nghiệm trong phát triển các ứng dụng/dịch vụ bằng framework PHP Laravel - Hiểu biết về HTTP, REST API, Protocol, Web server (Apache/Nginx), Linux - Thành thạo Javascript - Thành thạo các hệ quản trị cơ sở dữ liệu như MySQL/MogoDB - Có hiểu biết về Redis, Mem cache là một lợi thế - Các nguyên tắc cơ bản trong thiết kế hướng đối tượng, các cấu trúc d...

Dữ liệu time series, dạng text. Cần lập trình trên Eclipse,... kết hợp công nghệ Apache Spark để phân tích dữ liệu.

...4. Lập trình viên Web/Backend • Có kinh nghiệm làm việc với ít nhất 1 ngôn ngữ: JAVA, .NET hoặc PHP... • Có kinh nghiệm HTML, CSS, Javascript, AJAX, jQuery, JSON. • Tùy từng ngôn ngữ, yêu cầu tối thiểu biết 1 framework, CMS - JAVA: Struts, Spring, Hibernate… - PHP: nuke, joomla, CI…. - .NET: EntityFramework, DNN, ... • Có kinh nghiệm với Web server: Tomcat , Apache hoặc IIS • Có kinh nghiệm với database Mysql hoặc MSSQL(hiểu biết về NoSQL sẽ là lợi thế) Yêu cầu công việc - Có kinh nghiệm làm việc - Tiêng Anh: đọc và hiểu tài liệu - Có kiển thức cơ bản về OOAD - Nhiệt tình, lu&o...

-check login -dùng laravel để lấy dữ liệu từ database đã có sẵn (mongoDB) (web chủ yêu có hai trang: lists và post), -đổ dữ liệu vào giao diện html/css (mobile/pc) -việc phát sinh khi đổ vào giao diện (nếu có) ----------------------------------------------------------- công việc chi tiết: -...----------------------------------------------------------- công việc chi tiết: -demo giao diện hoàn thành: pc: mobile: -trang web hiện tại: -collections của database: categories image post session sub_poem môi trường làm việc trên vps: php: 5.4 mongo 2.6.10 apache 2.2.15 lavarel 4.2 Yêu cầu: chuyên nghiệp, sòng phẳng

-check login -dùng laravel để lấy dữ liệu từ database đã có sẵn (mongoDB) (web chủ yêu có hai trang: lists và post), -đổ dữ liệu vào giao diện html/css (mobile/pc) -việc phát sinh khi đổ vào giao diện (nếu có) ----------------------------------------------------------- công việc chi tiết: ...----------------------------------------------------------- công việc chi tiết: -demo giao diện hoàn thành: pc: mobile: -trang web hiện tại: -collections của database: categories image post session sub_poem môi trường làm việc trên vps: php: 5.4 mongo 2.6.10 apache 2.2.15 lavarel 4.2 Yêu cầu: chuyên nghiệp, sòng phẳng

Chúng tôi có cần 1 freelancer có khả năng lập trình ASP Classic và MSSQL khá để fix Bug web (là một web Hàn Quốc - lúc làm sẽ có người thông dịch) Chi tiết sẽ bàn khi trao đổi trực tuyến. Và có một dự án khác nữa sẽ bàn bạc khi kết thúc dự án này.

Create website for management Timesheet system by ASP.net, C# using MSSQL

I have a small server infrastructure and I am looking for a System Administrator who has a strong knowledge of Linux and can handle Apache Logs. This role would primarily involve: - Monitoring system performance. - Troubleshooting issues. - Ensuring security of the servers. Skills and Experience Required: - Proficiency in Linux system administration. - Experience in handling Apache Logs. - Strong troubleshooting and problem-solving skills. - Knowledge of security best practices for server infrastructure.

Need to 2 single and separate webpages to display data from tables in MSSQL database

We are seeking a skilled developer to set up and program a framework using Apache Kafka for distributed messaging. The project aims to establish an efficient and scalable messaging system that can handle high-volume message processing and filtering. Project Overview: The developer will be responsible for setting up Apache Kafka on a Windows environment and developing a master script and worker scripts to facilitate distributed messaging. The key requirement is to implement a mechanism for bulk-reviewing messages in the queues every 10 minutes to filter out unnecessary messages and optimize system performance. Responsibilities: Apache Kafka Setup: Install and configure Apache Kafka on a Windows machine. Set up the necessary Kafka topics, partitions, and brokers...

I am looking for someone to redesign the frontend of Apache Superset, specifically the landing page and menus (Mu instinct is that this will take about a day for the right freelancer). I am looking for someone with the following skills and qualifications: Proficient React.js Developer: Superset's frontend is built using React.js, a popular JavaScript library for building user interfaces. The candidate should have extensive experience working with React.js and be well-versed in its concepts, such as components, state management, and lifecycle methods. Familiarity with Redux: Superset utilises Redux for state management. The ideal candidate should have a solid understanding of Redux principles, including actions, reducers, and middleware. Strong CSS and Styling Skills: Redes...

I'm in need of a web-based job card system that will allow the creation and editing of digital job cards. Both employees and managers will need access to the system, with an admin login section for authorization of completed job car...names and set an hourly labour rate. Ideal Skills: - Proficient in PHP and MySQL - Experience in developing web-based forms - Knowledge of job management systems - UX/UI Design capabilities for a user-friendly interface Open to all options: The creation of a new system, use of a Wordpress modification, use of Office 365 Forms and Zapier to link to QuickBooks. We have a server to run SQL with Apache, PHP and FTP. Please consider the functionalities I'm looking for and the primary users of the system when bidding. Please contact for more d...

I'm looking for an experienced system administrator who can help with setting up an SSL certificate on my Ubuntu Apache web server. This task will require a good understanding of web server security, Apache, and Ubuntu operating systems. Key tasks will involve: - Validating the pre-existing SSL certificate - Configuring Apache to work with SSL - Testing the certificate to ensure it's working perfectly Users should have: - Extensive experience with Linux, specifically Ubuntu - Experience in web server security - Proficiency with Apache server setup - Familiarity with SSL installation and configuration

I need a seasoned Java developer with a strong background in utilizing NetBeans 8.1 and Derby Database. The primary task would be to improve the performance of an existing Java application. Key Requirements: - Expertise in Java and NetBeans 8.1 is essential. - Familiarity with Derby Database and how to optimize its use. - Proven track record in enhancing application performance. - Ability to identify and address performance bottlenecks in the system. Performance Improvement: - The main area of improvement is managing data processing speed. - Analyze the application for possible performance improvements and suggest appropriate solutions. Please note, the client has not specified details about user interface responsiveness or server-side operations. Thus, the focus should ...

Looking for a skilled developer to assist with configuring Apache Kafka for a distributed messaging system. I have running zookeeper, kafka-server and kafka-connect. the project requires: 1) configure kafka source connector for receiving a Json and store it on a topic. 2) configure a kafka sink connector for storing the json data into a PostgreSQL table 3) guidance for installing the plugins 4) setup the connectors over kafka-api the kafka server will be running on ubunut 24.x without a docker Ideal Skills and Experience: - Familiarity with Apache Kafka platform - Experience in distributed messaging - Strong problem-solving skills - Attention to detail We are eager to work with someone who is able to provide solutions promptly and efficiently.

I've been experiencing a recurring problem with my Linux web hosting server. The issue essentially revolves around the Apache service, which keeps turning itself off and on sporadically. This continuous fluctuation is causing disruptions in the operation of my hosted websites. The primary goal of my project is to address and resolve this persistent Apache service problem. I need a skilled server administrator or a Linux system expert to investigate the root cause of the Apache's erratic behavior and implement a permanent fix for the issue. Key Requirements: - Proficient in Linux server administration - Expertise in Apache server configuration and troubleshooting - Experience with identifying and resolving service disruption problems - Ability to work remote...

As someone requiring a Linux Server Administrator with AWS expertise, I require specific support with server maintenance and updates - specifically involving an Apache environment. Your role will entail ensuring optimal performance and uptime. A diverse skill set including the following is vital: - Proficiency in Linux server administration, particularly within an Apache environment - Knowledge on server maintenance and updates - Capability to handle AWS resources management and environment We are looking for a Linux server administrator with expertise in AWS to manage our server infrastructure. The responsibilities include ensuring the smooth operation of the servers and addressing any issues that may arise within our custom-built system. We will provide comprehensive kno...

This error has been traced back to the Apache webserver, it is a PHP and WordPress error "Please check that the mysqli PHP extension is installed and enabled." Key tasks for this project include: - Identifying the root cause of the 'Internal Server Error' message - Resolving the issue promptly to restore the website's functionality Ideal Skills and Experience: - Proficiency in PHP and Apache webserver - Strong experience in debugging and resolving 'Internal Server Error' issues - Excellent problem-solving and communication skills

I'm currently experiencing several issues that strongly suggest a malware issue on my apache server. My website's performance has seriously declined, and much to my disturbance, Google has flagged my site as dangerous. I haven't taken any steps yet to resolve these issues so now I'm seeking professional help. To be successful in this project, you will need: - Expert knowledge of Apache servers - Strong experience in malware removal techniques - Excellent understanding of domain whitelisting - Safety assurance to recover my domain status on Google I'm looking forward to making my website perform faster and being flagged safe on Google and other antivirus platforms.

I've described the issue here: I have a streamlit app running on a specific port. I'd like to have setup a reverse proxy using apache. You will not be given ssh access to the server. I'll send you the apache config and then you can suggest changes. Thank you!

I'm in need of a skilled professional with a solid background in Apache and Linux web server management and PHP. - The task is to migrate my current Apache web server, which is running on a Linux platform, to a new and faster server. - You should have strong experience in Linux systems, Apache servers and PHP. - Experience in server migration is highly desirable. - Knowledge of best practices for optimizing web server performance is a must. There are any business Domains and any Email Accounts running on it. All this must Work again 1 to 1. Also setup cpanel with New Webserver

I've been experiencing a recurring problem with my Linux web hosting server. The issue essentially revolves around the Apache service, which keeps turning itself off and on sporadically. This continuous fluctuation is causing disruptions in the operation of my hosted websites. The primary goal of my project is to address and resolve this persistent Apache service problem. I need a skilled server administrator or a Linux system expert to investigate the root cause of the Apache's erratic behavior and implement a permanent fix for the issue. Key Requirements: - Proficient in Linux server administration - Expertise in Apache server configuration and troubleshooting - Experience with identifying and resolving service disruption problems - Ability to work remote...

...the Linux operating system and Apache web server. The primary task is to configure and implement a Letsencrypt SSL certificate. Key Project Deliverables: - Install and configure Letsencrypt SSL certificate on my Linux server running Apache - Implement automatic renewal for the Letsencrypt certificate - Provide guidance on manual renewal of the certificate in documentation - document on how you installed as well Note: see attached screenshot on what we did to try to install. It shows SSL is there when you go to browser and access SSL. However, when doing payment with Stripe I get error of invalid SSL. Would be good to know why. Ideal Skills and Experience: - Strong background in Linux system administration - Proficiency in configuring and managing Apache web ser...

Tasked with migrating our existing PHP/Apache project files and DB database from our live server to a new vendor server. This positions requires: - Working hands-on with Unix servers - Strong understanding of PHP 7.0, the version currently utilized on our live server - Familiarity with Apache 2.4, the version currently running on our live server - Capable of accurately inputting database credentials - Ensuring the project is fully functional on both web and mobile platforms Ideal candidate will exhibit expertise in server administration, specifically Unix. Familiarity with PHP 7.0 and Apache 2.4 is required. Knowledge of databases, particularly inputting credentials, is appreciated. Experience in ensuring cross-platform functionality on web and mobile applications is...

I'm in need of a seasoned Apache Solr professional to help me implement search functionality for my project. The ideal candidate has excellent expertise in Apache Solr and can effectively optimize search functionality for text documents. Key responsibilities: - Upgrade from Apache Solr 3.6 to a version supporting wildcard search, Windows server - Multi cores with replication - bulk import via CSV - core creation/deletion across master and slaves Ideal skills and experience: - Prior experience implementing Apache Solr for search functionality - Proficiency in data indexing and faceted navigation with Apache Solr - Strong understanding of optimization techniques for search functionality - Excellent problem-solving and analytical skills - Good commun...

Need a multi user login where multiple users can connect to my server and access the server using apache gaucomole. It has to be scripted (csh) based as I need to execute on local machine once it is working.

Project Description: We are looking for a skilled Java developer with experience in Apache Flink (version 1.19) to create a data processing job that reads from parquet files located on a Network File System (NFS) and sends selected data to a Kafka topic. Core Responsibilities: - Develop a Flink job using Java that can read parquet files from NFS. - Implement functionality to allow the selection of specific columns from the parquet files to be processed. - Ensure the selected data is published to a specified Kafka topic efficiently. - Manage dependencies and libraries required to execute the job without compatibility issues.

...Requirements: 1. Frontend Technologies:  HTML, CSS, JavaScript for the user interface.  Frameworks/libraries like React, Angular, or Vue.js for building interactive components.  2. Backend Technologies:  Programming language: Choose between JavaScript (Node.js), Python (Django/Flask), Ruby (Ruby on Rails), or PHP (Laravel).  Database: MySQL, PostgreSQL, MongoDB, or similar.  Web server: Apache, Nginx, or equivalent. 3. Payment Gateway Integration:  Select and integrate with a payment gateway provider that meets the project requirements (e.g., Stripe, PayPal). 4. Security Measures:  Implement secure coding practices to prevent common vulnerabilities (e.g., SQL injection, XSS).  Use encryption for sensitive data storage and transmission. 5. Hosting and Deployment:  Le...

I'm in need of a specialist in MongoDB who can effectively troubleshoot and resolve configuration errors that I've encountered during its reinstallation on my Ubuntu Apache server. I'd appreciate bids from candidates who, at a minimum, possess the following qualifications: - Expertise in MongoDB installation, setup, and troubleshooting - In-depth knowledge of Ubuntu Apache server management - Strong experience in handling configuration-related issues - Bonus: Understanding of file path, authorization, and networking issues, as the specific type of configuration error wasn't determined Please be ready to detail your relevant experience and strategies for resolution. Thanks!

I'm running a new PHP script on Linux and it's not pulling data correctly from an MSSQL Database. Since the script is new, I'd appreciate some help identifying what went wrong. Skillsets and Experience Needed: - Proficiency with PHP and MSSQL databases - Experience troubleshooting PHP script issues in a Linux environment - Experience with new script debugging - Knowledge of database connectivity issues and their solutions - Ability to communicate complex technical issues clearly

I'm in need of a skilled freelancer to help me with a specific task. Here's what you need to know: - The task primarily involves installing a Cloudflare certificate on a CentOS server running Apache. It's crucial to have a good understanding of both Apache and CentOS to successfully complete this task. - Having root access is essential, as it's required for the installation process. - I currently do not have any SSL/TLS installed on my server. The task specifically involves installing a Cloudflare certificate. Ideal skills for this job include: - Strong proficiency in Apache - Experience with CentOS - Prior experience installing Cloudflare certificates - Good knowledge of SSL/TLS protocols and practices - Ability to work with root access on se...

Please read before offering services - I am in need of a highly skilled and reliable SEO specialist who is familiar with the nuances of the APACHE, LINLUX & UBUNTU platform. The website is located DIRECTLY ON SERVER, NOT USING C-PANEL, as c-panel does not work on Ubuntu 18/20.04 You must also be familiar with HMTL5 and TPL & LINLUX You MUST have previous experience and knowledge in APACHE, LINLUX & UBUNTU OS Freelancers interested in this project should have extensive experience working with open-source operating systems and in-depth knowledge of cutting-edge SEO strategies. To be considered for this job, please include samples of your past work in your application. I'm eager to see evidence of your expertise and results you've achieved for previ...

work for docker apache proxy solution

I'm looking for an expert in Linux administration who is specialized in server setup. My project requires: - Setting up a LAMP on a Ubuntu server with MariaDB. - Configuring the server to respond to a specific domain name, empty folder mapping. - FTP and account mapping to the webserver's folder. Necessary skills: Ubuntu, LAMP setup (Linux, Apache, MySQL, PHP), FTP setup. Experience in managing and setting up servers is a must. This are a very easy setup so maximum 2 hours. Please add the word "Light" in your quote so I now you are not a bot...

I need a professional to help me resolve an Apache ModSec error that is preventing a specific theme inside WordPress from working properly. Key Requirements: - The problem I'm encountering is related to ModSec, and is preventing the theme from functioning as expected. As such, the freelancer should have a good understanding of ModSec and Apache, with a specific focus on troubleshooting and fixing errors. - The error message is not provided here, but the last change I made to the website was modifying server or ModSec settings. The freelancer should be able to work with me to understand the changes made and identify the cause of the error. Expectations: - I am specifically looking for someone who can troubleshoot and fix the ModSec error, rather than just disabling Mod...

I am in need of a skilled professional to assist me in setting up my almalinux 8 VPS and then installing cPanel on it. Specifically, I would like to have the following services installed and configured as part of the initial server setup: - Apache - MySQL - PHP It's essential for the freelancer to have experience in setting up VPS servers, particularly with a specialization in almalinux 8. You will also need to have a thorough understanding and experience with cPanel installation.

I'm in need of a skilled Apache Superset expert who can help me connect MySQL and PostgreSQL to the platform for exploration and visualization. Key tasks include: - Creating interactive dashboards - Generating real-time reports - Building visualizations for large datasets Features & functionalities needed in the deliverables: - Filter and drill-down options - Customizable charts and graphs - Integration with external APIs Ideal candidates should have: - Extensive experience with Apache Superset - Proven track record of working with MySQL and PostgreSQL - Strong background in data exploration and visualization - Demonstrable skill in creating interactive dashboards and real-time reports - Familiarity with building visualizations for large datasets - Ability to int...

Seeking a server specialist familiar with handling tasks on a dedicated server, predominantly Linux Server The tasks include: - Expertly masking or hiding the server's backend IP fr...dedicated server, predominantly Linux Server The tasks include: - Expertly masking or hiding the server's backend IP from the public view. - Seamless integration of the server with Cloudflare. - Closing off all unnecessary or unused ports to enhance cybersecurity measures. For this project, you should possess a deep understanding of server administration, Linux operating systems, and Apache web server. Familiarity with Cloudflare or similar web infrastructure and website security services is a must. Speed, efficiency, and an eye for detail will be key elements for this task'...

How can i solve this problem: I write a url with the architecture * If the url exists it will send me to the page of the corresponding tag If the url does not exist, it will forward me to a url of the most similar tag (combining singular, plural, masculine and feminine) or the most matching one. If it still does not find a suitable url, it will se...plural, masculine and feminine) or the most matching one. If it still does not find a suitable url, it will search among the aliases of the articles for a similarity match to forward me with a 301 redirect to one of those articles. This must be dynamic, querying a static database is not possible, as the tags will be deleted frequently Keep in mind that the page is built with Joomla 4 and hosted in Apache with Plesk

I need a Linux Server expert who can help configure my existing Linux server with a self-signed SSL certificate. Ideal skills and experience for the job: - Prior experience in configuring Linux servers, specifically Apache - Proficiency in setting up SSL certificates, ideally self-signed - Familiarity with server security best practices - Ability to troubleshoot and resolve any issues that may arise during configuration. It's important that you have good communication skills as I would appreciate a clear explanation of the setup process. i currently have Plesk Desk Setup on my server NOTE We shall be connecting through anydesk as our server has alot of data

...below will be the key requirements for auto provisioning Key requirements: - Proficient in Linux server administration, as the operating system is not yet defined. - Experience with container platforms like Docker or Kubernetes since I'm yet to determine my preference. Operating System: You can use Ubuntu Server, CentOS, or any other Linux distribution of your choice. Web Server: Nginx or Apache HTTP Server. Git: Version control system to manage your website's source code. Node.js: If you're hosting static sites or using JavaScript-based build tools. Let's Encrypt: For SSL/TLS certificates to secure your websites. CI/CD Tools: Jenkins, GitLab CI, or GitHub Actions for automating deployments. Monitoring Tools: Prometheus, Grafana, or similar for monitor...

I'm looking for help with a dormant project, built using CodeIgniter 3, that offers IP and port scanning capabilities. Key Tasks: - Setup and configure the project on server - Debug and rectify any issues to ensure it's operational aga...and configure the project on server - Debug and rectify any issues to ensure it's operational again Features: - The tool is required to detect open ports - Distinguish the services running on those ports - Map out network resources Ideal Candidate: The individual should have a strong background in CodeIgniter 3, network scanning methodologies, as well as server configuration, particularly with Apache. With an attention to detail, the applicant should be able to effectively diagnose and tackle issues that may crop up during the se...

...in search of a skilled developer with expertise in both MsSQL and ADF to assist me in achieving the following project goals: - Database Management: Your primary responsibility will be to manage our MsSQL database. This includes designing the database and ensuring smooth data storage and retrieval operations. - Data Integration: A crucial aspect of this project would be integrating MsSQL with various other systems and databases, mainly focusing on MsSQL itself. This will involve ensuring seamless data flow between these systems. Key Skills and Experience: - Proven experience in MsSQL database management. - Strong capabilities in database design and data storage and retrieval. - Adept at data integration, specifically integrating MsSQL with oth...

Necesito alguien que tenga experiencia en Apache Solr para crear una aplicación de indexación de documentos asi como su muestra en el navegador por usuarios y hightlight plugin para mostrar el documento original.

We have existing wordpress woocommerce and C# MSSQL inventory win application db in azure db I am looking for a developer for backend operations and experience in MSSQL, WordPress wooCommerce and API integrations. The primary task deduct stock in azure ms sql stock table when order placed in wordpress woocommerce display item list in woocommerce based on mssql stock table create comand to generate order in inventory system when order placed in wordpress woocommerce Key Skills Required: - Strong experience with MSSQL, WordPress woocommerce, API - Expertise in inventory management system e-commerce integrations who have done same work earlier plesae bid I will share explaining video, if you are able to do than you need to work on remote zoom or ultraviewe...

I'm in need of an experienced and diligent freelancer to install and set up an open-source Apache Fineract/Mifos on AWS. The key aim is to be able to consume API's in another application securely and access the user interface using a browser. And provide documentation of how to do it myself. To succeed in this project, the freelancer should be capable of: - Installing and setting up open-source Apache Fineract/Mifos on AWS. - Ensuring that APIs can be securely consumed in another application. - Setting up a user interface that can be easily accessed via a browser. Reference link : https://mifosforge.jira.com/wiki/spaces/docs/pages/3559555073/Mifos+X+23.12.31+Installation+Guide+for+Windows+11+Ubuntu+22.04+Lts

Deployable data engineering Project Idea: Real-time Sentiment Analysis for an Online Store 1. Overview: - Develop a web application for an online store where users can submit reviews for products. - Utilize Apache Kafka for real-time event streaming. - Implement Apache Airflow for workflow orchestration. - Use Apache Spark for data processing and sentiment analysis. - Store processed data in Cassandra DB for recording activities. - Store analyzed data in Amazon S3. 2. Workflow: - User submits a review through the web UI. - The review data is streamed to Kafka topics. - Airflow schedules tasks to ingest data from Kafka, process it using Spark, and store it in Cassandra. - Spark performs sentiment analysis on reviews. categorize it into p...