2010 express database tutorialJobs

...experienced individual to fill the role of Database Architect/Lead Developer specializing in Netezza and Oracle databases. The ideal candidate will be responsible for designing, implementing, and maintaining database solutions that meet the needs of our organization. This role requires strong technical expertise in both Netezza and Oracle platforms, as well as leadership capabilities to guide a team of developers. Responsibilities  Design and implement efficient database solutions for our organization, leveraging Netezza and Oracle technologies.  Lead a team of developers in the implementation and maintenance of database systems.  Collaborate with other stakeholders to gather requirements and define database architecture to meet business needs.  O...

...should not be rushed - quality of the videos should be high - Each tutorial should be a step-by-step walkthrough, including screenshots to help illustrate each point. - - Extensive experience with Discord and great communication skills are must-haves for this project. I look forward to seeing your proposals. 3. For the voice over i will give you access to my elevenlaps account where i cloned my voice you can use my voice for the videos all you have to do is write the script and it will generate the voice for you. each video i will be paying $7 Australian dollar which is $4.5 Us dollar. 7*10=70 which is about $45 Us dollar. If we understand and i like your quality of work I have additional 50 discord short tutorial videos that needs to be done. Each video I will...

I'm in need of an experienced graphic designer to create a captivating, illustrative logo that stands out and reflects the essence of my brand. This design is crucial for my upcoming product launch, and I'm working on a tight deadline. **Ideal Skills and Experience:** - Strong portfolio in illustrative logo design - Ability to translate concepts into visual designs - Proficiency in Adobe Illustrator and Photoshop - Great communication skills and ability to work under tight deadlines **Requirements:** - Design a unique, illustrative logo that embodies my brand's values and essence. - The final logo must be scalable, as its primary use has not been defined yet; it could range from web applications to print materials or product packaging. - Deliverables include the original v...

I have to transfer data and tables from oracle to postgres.

I am in need of a cheat sheet that guides me through the stages of subject selection, focusing specifically on portrait work, even in scenarios with messy hair. The final goal is to invert the mask to be...requirements: - Techniques and tools should focus on Quick Selection tool, Refine Edge tool, and Refine Hair - Each step of the process must be clearly explained. Step-by-step written instructions with supportive visuals preferred. - All information must be concisely formed into a PDF document to be both user-friendly and convenient Freelancers with advanced proficiency in Photoshop, excellent tutorial formation, and instructional design are highly valued. Previous experience in creating similar helpsheets or guides would be a plus. I am likely to want further sheet sheets in t...

I'm seeking a Junior Frontend Developer, US based developer is preferred. Looking to hire someone: - has good communication skill - must be active on Slack - must be available on US working times Ideal Skills and Experience: - Proficiency in HTML, CSS, JavaScript - 1-2 years of ex...Frontend Developer, US based developer is preferred. Looking to hire someone: - has good communication skill - must be active on Slack - must be available on US working times Ideal Skills and Experience: - Proficiency in HTML, CSS, JavaScript - 1-2 years of experience in Frontend Development - Experience working with React and TypeScript - Familiarity with React Native and Angular, Vue, Node, Express, Database - Agile Methodologies like Scrum and Kanban... - Cloud experiences like AWS, GC...

I have a significant amount of text data from physical documents which I need entered into a database. The ideal candidate will have experience with both data entry and database management. Key Project Requirements: - Data Entry: You will be responsible for accurately transcribing text data from physical documents into a digital format. - Database Management: The entered data needs to be organized correctly in the database. Prior experience in managing databases is essential. Ideal Skills and Experience: - Proficiency in data entry - Strong attention to detail - Experience in database management - Familiarity with data organization techniques I'm looking for someone who can complete this efficiently and accurately.

I am looking for an experienced course creator to develop a comprehensive video tutorial focused on Microsoft Power Query. Key Features: - User-friendly interface - Capabilities to import data from various sources - Customizable course structure The ideal candidate should have the ability to break down complex concepts and make them easily understandable. The course content should cater to beginners and intermediate level learners. Course Duration: Each video course module should be crafted with the target of a total duration amounting to 3-4 hours. This could be composed of several shorter lessons or modules, for easy consumption and better learning experience. Required Skills: - Strong knowledge of Microsoft Power Query - Proven experience in creating video courses - Excelle...

I'm looking for experienced React developers to enhance my social media web application. The main task will be implementing a video call and video chat feature, as part of our new feature additions initiative. Key Responsibilities: - Implementing video call and video chat services seamlessly into our existing application - Ensuring smooth video call and...applications - Strong understanding of UI/UX principles and performance optimization - Ability to work collaboratively in a team with other developers and designers This is a fantastic opportunity to work on a dynamic project and contribute to its growth. Looking forward to your proposals! This project include Confidentiality agreement & NDA to not share details or using the provided code without the Express permission o...

Hi, As discussed i have understood the requirement for powerapps creation with sharepoint list as backend database. The mutiple roles will be implemented using sharepoint group our master sharepoint list have all approvers level/department wise. Cost : 7000 Rs My Profile: -- 13+ years of experience with with different SP versions -SP Online/2019/2016/2013/2010 -- 3+ years of experience with power platform Power automate, PowerApps. -- worked for Sharepoint migration from on-premise to online using sharegate and microsoft tool. -- worked with power automate desktop for scraping data and excel automation. -- Worked with Nintex Forms and flows -- Experience with SPFx, ReactJS, JavaScript, jQuery, Typescript, REST Apis, Webhooks etc. Looking forward for your response...

...detailed, step-by-step guides on installation, setup, usage, and troubleshooting, including important notes. Incorporate high-quality screenshots and tutorial videos to enhance understanding and engagement. Publish well-formatted, visually appealing articles on our WordPress-based blog. Requirements: Proven experience in tech blogging, specifically with software reviews, blockchain technology, or similar topics. Excellent English writing skills with the ability to create clear, concise, and engaging content. Technical proficiency with blockchain software and a strong understanding of its applications. Ability to produce high-quality screenshots and tutorial videos. Experience with WordPress and basic SEO principles. Strong research skills to ensure technical accuracy. Att...

...looking to collaborate with a skilled video editor who can help bring my YouTube channel to life specifically with entertaining and tutorial-based content. Here's what the job entails: - You will need to create animated videos that are longer than 10 minutes. Your creativity, knowledge and experience with animation will be particularly appreciated. - The videos should be engaging and fun, while always maintaining an educational component. - Given the length of these videos, you should be able to maintain the viewer's attention throughout. Ideal skills: - Proficiency in editing software including animation tools. - Prior experience in creating animated tutorial or entertainment videos, especially for YouTube. - A creative and imaginative mindset. Let's...

I need a professional to create an ER diagram for a moderately complex database I'm designing. - This is specifically for database design purposes, using Chen notation. - The database structure I have in mind falls between 10-20 entities, so the ER diagram will need to reflect this level of complexity. - You should have in-depth experience with database design and ER diagramming, particularly using Chen notation. - The ER diagram should be clear, well-structured and accurately represent the relationships and entities within the database. - Previous experience with similar projects is a plus.

I'm seeking a FileMaker Pro expert to modify the existing project database for our small architecture firm. Your main tasks include: - Rectifying existing bugs - Enhancing reporting capacity - Introducing new mapping features, if possible. Some issues have been detected in the current system with features not working properly, particularly in the reporting capacity. A new mapping feature is optional and can be discussed further. There isn't a strict time frame for project completion, but I'm hoping to get it done as soon as possible. Ideally, the applicant should have a strong background in FileMaker, bug fixing and data mapping.

I am in need of a Laravel Developer to work on my website. The changes involve backend functionality and database modifications. Ideal Skills: - Strong experience with Laravel - Expertise in backend development - Proven track record of database modifications Tasks Include: - Implementing API integration, specifically e-commerce APIs - Database modification to accommodate new functionalities I need someone with a high level of expertise in Laravel and backend development. Your ability to integrate e-commerce APIs and modify the database accordingly is crucial for the success of this project. Your focus will be on enhancing the backend functionality, ensuring it's robust and efficient. Your attention to detail and ability to work independently will be high...

...can help me create a movie database website that is connected to a Telegram bot. Key Features: - Movie Database Website: The core of the project is to build a movie database that's user-friendly and comprehensive. - Telegram Bot Integration: I need a Telegram bot that can seamlessly connect to my movie database. The bot should be able to handle user queries and provide relevant movie recommendations. Telegram Bot Functionalities: - Movie Search & Recommendation: Users should be able to search for movies based on different criteria and receive tailored recommendations. - URL Shortener: The bot should be able to generate a shortened URL for the movie being recommended. Ideal Skills and Experience: - Proficiency in web development, particularly in ...

...in need of a talented video creator to produce a live-action demo tutorial for my platform. The intended audience for this tutorial are intermediate users, therefore the content should be both engaging and informative. Key Tasks: - Create an engaging live-action video: This video should demonstrate how to effectively utilize the booking process and user profile customization on our platform - Keep it intermediate-friendly: The content should be easy to follow for users who are somewhat familiar with the platform but are still learning its intricacies. Ideal Candidate: - Experienced video creator: You should have a strong portfolio of creating live-action demo videos for software or similar products. - Understanding of tutorial creation: Experience in creating tuto...

In need of captivating explainer, tutorial and promotional videos. The videos should run between 1-3 minutes and primarily feature real-life footage. My priority will be working with someone who understands the balance between informational and persuasive content while capturing the essence of real-life scenarios. Skills and Experience: - Proven experience in creating explainer, tutorial, and promotional videos - Proficiency in real-life footage video production - Ability to convey complex information in a simple, easily understandable manner - Strong storytelling skills to maintain viewer engagement I look forward to your bids and viewing samples of your previous work that align with my needs. Let's connect to create engaging video content!

I have a civil case that necessitates filing and review for a pre-trial conference. I'm seeking a legal expert to carry out: - Moderate legal research: Adept at combing through case files, statutes and previous court decisions related to my case. - Highlighting relevant facts: Extract and underline pertinent facts within ...related to my case. - Highlighting relevant facts: Extract and underline pertinent facts within the case to ensure compelling arguments are emphasized. - Deliver concise communication: As an added advantage, a candidate with the ability to clearly explain any complex legal concepts discovered during research would be particularly desirable. Relevant legal experience in civil cases is crucial. Express in your proposal how your skills and background match up...

...1, 2, and 3 emissions database through web scraping and data moderation. The selected developer will be responsible for scraping emissions data from global listed companies, implementing a moderation system, and enhancing our current offering by providing a database of published emissions data for ASX companies. Responsibilities: 1. Web Scraping - Web scrape scope 1, 2, and 3 data points from global listed companies to populate the VeriCO2 emissions database initially. - Develop scripts or tools to automate the web scraping process and ensure efficient data collection. 2. Data Moderation - Implement a moderation check to review and update data points based on user feedback and VeriCO2's own data collection. - Develop a system for users to report errors in the...

VeriCO2 is seeking an experienced developer to create a global scope 1, 2, and 3 emissions database as part of our automated quantification of scope 3 emissions project. The selected developer will be responsible for setting up the database, developing a user contribution system, and implementing security measures to ensure data integrity. Responsibilities: 1. Database Setup - Set up a database to store scope 1, 2, and 3 emissions data for global listed companies. 2. User Contribution System - Develop a system for users to contribute data via LinkedIn by signing up and providing their company's scope 1, 2, and/or 3 emissions. - Implement a security check to ensure the user's email domain matches the company name and send a verification email....

...conducting a thorough code review and integrating an emissions factor database into the existing codebase. Responsibilities: 1. Code Review and Functionality Check - Review the existing code to ensure there are no backdoors from the previous developer. - Verify that the code is functional and all equations for each method within the 15 scope 3 categories under the GHG protocol are correct. 2. Emissions Factor Database Integration - Finish coding the scraping mechanism to extract emissions factors from the Intergovernmental Panel on Climate Change's (IPCC) emissions factors database (). - Integrate the scraping mechanism with the IPCC's lookup section to ensure the database is dynamically updated. Requirements: - Strong experience

I'm in need of a reliable colleague who can assist me with data entry. The main task at hand is database creation. Key Responsibilities: - Data Entry: Your main responsibility will be to input data into a database. - Database Creation: You will be actively involved in the creation of a new database from scratch. Ideal Skills and Experience: - Proficiency in Data Entry: I need someone who is both fast and accurate in data entry. - Familiarity with Databases: Experience in creating and managing databases will be a great advantage. - Attention to Detail: The data involved in this project could potentially be complex, so attention to detail is crucial. I appreciate someone who is detail-oriented, reliable, and can work efficiently with minimal supervision....

For this assignment, you will reflect on the reasons behind your decision to attend college and express those reasons visually through a comic strip. Think about the reasons why you decided to go to college. (the reasons why I decided to go to college was to get into a nursing program so that I can help people that are ill. My inspiration behind deciding to go to nursing school is my father who passed away after battling Huntington disease.) Create a 6 panel comic strip that expresses the reasons I decided to go to college Choose a central character that represents you in the comic strip. This could be a portrait of yourself, a self-created character, or even an animal or object. Select an appropriate setting for your story to take place in. This could be outside, at home, or any ...

I'm looking to have a compreh...developed for both iOS and Android platforms. This app will be focused on promoting and supporting users' emotional wellbeing. Features I'd like to include in my project are: - A mood tracker: to help users monitor their emotional patterns and triggers - Guided meditation: offering relaxing and focused sessions to reduce stress and improve mindfulness - Journaling: providing a platform for users to express and reflect on their feelings Ideal freelancers for this project would have domain expertise in health and wellness applications, broad experience in both iOS and Android development, and a keen sense of user-friendly design. Exceptional proficiency in implementing user-interactive features such as mood trackers and journaling tools i...

I'm looking to commission the creation of a comprehensive database of IT working professionals. The main purpose of the database will be for recruitment purposes. Key Requirements: - The database should focus on IT professionals, covering a wide range of roles and expertise within the industry. - The data collected should be accurate, up-to-date and well-organized to facilitate efficient recruitment processes. Ideal Skills and Experience: - Prior experience in database creation for recruitment purposes, ideally within the IT sector. - Knowledge of the IT industry and the different roles and specializations within it. - Attention to detail and the ability to collect and organize large sets of data accurately. Please note that I have not specified the m...

I'm seeking a skilled data professional to provide a database of general consumer email addresses. The reach of the database should be international, encompassing various demographics and regions. I'll need the database to be delivered in an Excel file. Required Expertise: - Proficient in data collection - Proven experience in the field of emails dataset - Adept in Excel - Comprehensive understanding of data privacy guidelines Deliverable: - Database of general consumer emails in a well-structured Excel file.

I am in need of a USA email database for my email marketing campaigns. The primary focus of the database should be on consumers rather than businesses or non-profit organizations. An understanding of how to gather consumer-oriented data would be essential for this project. Your role would also include ensuring that the data adheres to privacy regulations and ethical data collection standards. Key skills and experience: - Database creation and management - USA consumer market knowledge - Understanding of privacy laws and ethical data gathering - Previous work with email marketing. Please note that details about target consumer segments such as age range, geographical location, or specific interests or hobbies are not necessary for this project.

I'm looking for a skilled freelancer to help me in creating a database of entry-level IT working professionals. The database is intended for recruitment purposes and should focus on professionals within our country. Key responsibilities will include: - Identifying and collecting database of entry-level IT professionals. - Categorizing the database based on different IT fields like software development, cyber security, network engineering, etc. Ideal candidates for this project should have experience in: - Database creation and management - IT recruitment - Strong knowledge of the local IT job market Your work will be critical to our hiring processes and future IT recruitment strategies.

I'm in need of an expert to help me create a database of entry-level candidates from Naukri portal. This database should include their names, contact information, and job experience. Key Project Requirements: - The database should primarily focus on entry-level candidates. - The database should categorize candidates based on their location. Ideal Skills: - Proficiency in data mining and database management. - Understanding of Naukri portal or similar job platforms. - Experience in creating and categorizing databases. The project will enable me to efficiently recruit and engage with suitable entry-level candidates

For this assignment, you will reflect on the reasons behind your decision to attend college and express those reasons visually through a comic strip. Think about the reasons why you decided to go to college. (the reasons why I decided to go to college was to get into a nursing program so that I can help people that are ill. My inspiration behind deciding to go to nursing school is my father who passed away after battling Huntington disease.) Create a 6 panel comic strip that expresses the reasons I decided to go to college Choose a central character that represents you in the comic strip. This could be a portrait of yourself, a self-created character, or even an animal or object. Select an appropriate setting for your story to take place in. This could be outside, at home, or any ...

I'm in need of a database designed to organaize companies for Italian regions the data are not well organized, there are 927 companies with different address and region and they need to be divided by north west, north , north east etc - - Customer Information Management: The database should be structured in such a way that it allows categorizing companies according to their respective regions. Ideal freelancers for this job should possess robust skills in database design and management. A keen understanding of categorizing/mapping data based on geographical regions will be considered a huge advantage. Efficient, accurate, and secure data manipulation and storage is essential for this project.

J'ai un travail en continu concernant notre projet précédent ' connect a database and form'

J'ai un travail en continu concernant notre projet précédent ' connect a database and form'

I'm in need of a skilled videographer to create a series of tutorial videos for my product. - Your primary goal will be to provide step-by-step instructions for using the product. This requires a clear and concise explanation of each step to ensure that viewers can follow along easily. - I would like the instructions to be delivered through voice-over narration. This will help viewers to absorb the content more effectively and provide a professional touch to the videos. The ideal candidate for this project should have previous experience in creating tutorial videos and be able to provide a professional voice-over for the narration. It's important that you can deliver clear and engaging content that is easy for users to follow.

I'm on the lookout for an efficient video editor who can carry out basic editing tasks for a series of personal event videos that need compacting and enhancing. Your role will involve: - Cutting and splicing together footage from personal events - Resizing, rep...events - Resizing, repositioning, and other basic edits as per requirement - Ensuring the final videos are in MP4 format Proficiency in video editing software is crucial. Prior experience with personal events footage will be highly regarded. A fair understanding of pace and timing, as well as an eye for picking out important moments are also necessary. This is the opportunity for those looking to express their creativity, while enhancing and preserving the essence of personal memories. Let's make some memories i...

...who can integrate a cloud-based database into my project. Ideal Skills: - Strong proficiency in Java - Prior experience with database integration - Specifically, experience with cloud-based databases, Microsoft Azure in particular, is a big plus The Project: - Your primary task will be to integrate Microsoft Azure, a cloud-based database, into an existing Java project. - The project already has a well-defined structure and the database will serve as a key component. - The database integration should be secure, efficient, and scalable, meeting the highest standards. - There will be no need for user authentication or API integration, as this project is solely focused on database integration. Please only apply if you have good experience with...

I'm requiring a proficient Java developer for a college project. The main task will be building a web application along with database integration. I'll need you to implement vital functionalities, such as: - A user registration panel - A user login page - Fee structure - Contact us section - Admin as well as user registration option - Subjects and courses - Basic website navigation functions For the front end, HTML and CSS skills are necessary to render a clean and minimalist design. It's vital you're experienced in these domains and can provide examples of your past work. Looking forward to your proposals.

...experienced database professional to assist with a relational SQL database project. You will need to assist me to answer questions about the following: The required tasks include: - Relational data bases ( administration, normalisation, sql workbench, my sql, data modelling) - Writing SQL queries - Designing the database schema - Optimizing query performance This project specifically involves MySQL, sql workbench, so proficiency in this database system is a must. The complexity level of the project is intermediate, focusing on tasks like joins and subqueries. Ideal candidates will have: - Extensive experience with MySQL databases - Strong SQL querying, schema design and query optimization skills - Proficiency in working with relational databases - Expe...

I am in need of a one-time service to clean out my email database of invalid email addresses that generates too much soft bounce and hard bounce (and spam trap emails). Key Points: - **Objective**: The main goal of this project is to remove outdated or incorrect email addresses from the email database. - **Frequency**: This is a one-time project, not requiring ongoing maintenance. - **Current Platform**: I use Brevo as my email platform Ideal Freelancer Skills: - Experience with email marketing and database management - Familiarity with Brevo or similar email platforms - Proficient in identifying and removing invalid email addresses - Proven track record of improving email deliverability and marketing campaign results. I supply email addresses in CSV or XLS files

I need a developer to design and implement a blogging website focusing on expert advice and tutorials. This project requires: - Expertise in blogging site development - Experience with subscription-based services - The ability to integrate user-friendly interface Skills required: - Web Development - Blog Creation - Subscription Service Integration

Hello! I need to build a module or functionality to the ServiceGo - Multi Vendor On-Demand Service & Handyman Booking Marketplace system for vendors. The module (functionality) should be the following, subscription model for vendors. In this subscription model, there should be a limit on how many listings (job services) a given vendor can publish and how many customers it can respond to. P.S. The above mentioned functionality is important to us, but even if you can't offer us such a solution we are also looking for the functionality of only registering as a vendor to pay a fee again, which should be per subscription. Link to the system:

I'm looking for a skilled concept artist to create a unique, captivating design for a fantasy-style hydra creature. This concept art will be utilized primarily for a game devel...engaging, but not overly intimidating. - It should have multiple heads, each with distinct and noticeable powers. - The creature should also possess regenerative abilities, which should be showcased in the concept art. Ideal Freelancer: - Experience in creating concept art for game development, specifically within the fantasy genre. - Strong understanding of creature design and the ability to express unique powers and features through art. - Demonstrable experience in creating visually engaging, fantastical creatures. - Ability to adhere to deadlines and work collaboratively to bring the vision of the...

I'm seeking a data-savvy freelancer with a deep understanding of Instagram, to create a well-organized spreadsheet of micro influencers. There are three crucial components needed for each influencer: I AM NOT LOOKING TO CREATE FAKE SOCIAL ACCOUNTS - I WANT EMAIL ADDRESSES TO CONTACT THEM TO HELP CREATE CONTENT> 1. Instagram Handle 2. Number of followers 3. Their Email Search Criteria - total of 2000 records acrsoss - Dieticians and Nutritionists - Pregnancy and infertility - Mums / Working Mums 500 - 5000 followers only. Australian-Based Accounts

I'm in need of an experienced Talend Studio developer to assist with a database migration project. Key Project Details: - **Data Sources**: The project entails integrating data from various databases. - **Primary Goal**: The primary focus of the project is to migrate the data accurately and efficiently. - **Data Processing**: The data migration will primarily be through batch processing, therefore real-time processing is not required. Desired Skills: - **Talend Studio Proficiency**: A strong understanding of Talend Studio and its capabilities is essential for successful project completion. - **Database Integration Skills**: Experience working with database integration is a must. - **Data Migration Experience**: Previous experience with data migration projects w...

...it's fourth generation of ownership. My Dad started using a database program called Formula Coster on his Apple IIc to figure out how to correctly price our baked goods based on ingredient costs, labor costs, overhead, etc. The program also allows us to store the formulas and makeup instructions for all our products based on the dough batch and individual pieces from the dough. It's a simple program that we still use today, but are afraid it may not continue to work very long. Other programs exist, but are all cloud based and require subscriptions with features we do not need. I am seeking an adept database developer to either continue work on an in-progress database or commence anew based on existing requirements. This database is intended for e...

I'm searching for a talented Graphics Designer to create modern and captivating logos and graphics for Motorcycle Accessories branding. The primary purpose is to appeal to young adults so a knowledge in current design trends is essential. Key Responsibilities: - Design modern logos and ... Key Responsibilities: - Design modern logos and graphics with a young-adult appeal - Develop branding concepts and variations for different accessories designs Ideal Skills: - Excellent graphic designing skills - Strong knowledge of modern design trends - Experience in designing for the young adult demographic - Understanding of branding strategies. This project presents an opportunity to express creativity while reinforcing a brand identity. I look forward to seeing your innovative idea...

Our development team just wrapped up front end development for a large-scale website. At this critical juncture, we're seeking advice to ensure that our back-end databases - PostgreSQL and Cassandra - will be optimally performing and highly available. Key areas of consultation include: - Performance optimizat...optimization strategies - Replication and high availability options - Ideal design of databases to accommodate the scale of our website Ideal professionals would bear extensive experience with both PostgreSQL and Cassandra databases, as well as a keen understanding of integrating front-ends to back-end databases. Your prior work with large-scale website infrastructures will greatly benefit our project. Database optimization and design aptitude is a crucial requirement...

I require a photo editor to undertake a color change on a dress in a photo: changing it entirely to a dark navy blue shade. Similar color referencing experience would be beneficial. Key requirements include: - Ability to perfectly change a dress color, maintaining the texture and seams' shadow details. - Precise knowledge of color alterations, speci...beneficial. Key requirements include: - Ability to perfectly change a dress color, maintaining the texture and seams' shadow details. - Precise knowledge of color alterations, specifically focusing on dark navy blue. - Attention to detail is paramount as the entire dress should be edited without affecting other elements in the photo. - Proficiency in using the latest photo editing software. - Express delivery as this projec...

I'm going to build auth login page using the react , tailwind css, express Mysql DB. Also we have to join with google acc , facebook acc, apple acc.