Comments database design. The live comment service is a read-heavy system.

Comments database design MySQL PostgreSQL MS SQL Oracle SQLite modeling by DbDesigner. . Comment Text: Text content of the user's comment. I've successfully used the temporal table extension with PostgreSQL but others have it too. The you could do the following: SELECT * FROM Comments where type = "Articles" and type_id = 1; SELECT * FROM Comments where type IN ("Recipes", "Photos") I have a site where a users can comment on posts or reply to a comment. Best. 3 Physical Database Design 3 Summarizing the Differences 4 Optimizing Database Design: The Choice Between Three Levels 5 Conclusion Introduction In the realm of data management, designing a database system that Open comment sort options. A well-designed database significantly enhances the performance and usability of applications. VideoStats {- video_id - view_count - like_count - dislike_count - comment_count} Comment Upload Services then pulls the request and then stores the comment in the database and also initiates a request to increment the comment count. For example: tables which contains xxx_type and xxx_id columns will not have a drawn relation. Good stuff I added it to my Table of Contents hide 1 Introduction 2 Conceptual vs Logical vs Physical ERD 2. 4 Database 101: How does migration between databases work in the real world? 5 Database 101: How to Model Leaderboards for 1M Player's Game. Open comment sort options Business domain description. While it is not possible to future-proof the design of a database, it is very much possible to make the effort to best understand the business use cases and design the database accordingly. With a reliable database design tool like Lucidchart, a well-designed database gives users access to essential information. Designing a database for a Reddit-like comment system presents unique challenges due to the hierarchical and potentially infinite nesting of comments. This article offers an overview of how database schema design works, as well as examples and best practices to help you optimize database schema design. but will still be visible via the comment's permalink. However, designing a database schema is easier said than done. Related. Save. Decay: is the measure of the creation of the edge. Midjourney. In simple words, the predominant usage pattern is the client viewing live comments. All mobile numbers should start with zero followed Database design is important for social media platforms like Instagram and enables efficient management of user accounts, posts, comments, likes, and multimedia content. By following the principles on this page, you can design a database that performs well and adapts to future needs. It also sends a notification to the user about the successful comment post by pushing the Relational DB Design: In a relational database, we would create multiple tables, each with a fixed schema, to represent the different entities in our social media platform. Like Article. we will discuss them along with examples of good database designs. If by database designer you mean data modeling tool then I have struggled with this too. Members Online. Sort by: Best. You must be a DBA. In this case, each "base" comment can have multiple replies, but you can't respond to a reply. I am confused among the following two DB Structures regarding query performance (if the database becomes huge). I have the following schema that I use, where comments can have a parentComment and can be used to nest the comments for r Because SQL works with relational data, the most important aspect of database design is to make sure the data is normalised. Database Model¶ Table of contents; Database Model. Comments Database: For the comments database, we'll choose DynamoDB because it is a fast, scalable, and highly available database. Each table in a database needs to have a unique identifier. I stated it under this comment. The Restaurant Management System is a web application. Ideas we currently have could be the NFL or Yum Brands and its three different restaurant chains. Note that the primary key must always be present in a model, meaning the value chosen as the primary key cannot be nullable or empty. The role of a database designer is to determine how the data elements interact and what information needs to be stored. Topics include: Comments. Tagged with ecommerce, database, sql, nosql. Confirm For further actions, you may consider blocking this person and FREE fully-featured visual database schema designer. Databases. 2. Optimize database queries and indexing for efficient data retrieval. This is often called a primary key. This is why you should rely on best practices. We can extend the Comments table by adding a parent_ Have you ever seen a comment feature? I will create comment database design in MySQL and SQL query techniques for retreive comments data. LibreOffice Base - Need help designing a database DbSchema is a powerful visual tool for database design, management, and documentation. Hernandez, the author of the book, shows you how to analyze and improve existing databases, implement keys, define Design a News Feed System All the social media sites have some sort of news feed system, like those in Facebook, Twitter, Instagram, Quora, and Medium. Finally, when David likes the comments, 2 new edges are added to the social graph that shows David likes the comment. This is a column that can be used to identify this row and only this row. For now it will be one level deep only, means comment and its reply. Every comment can have replies, nested up to 3 levels. The site has the following objects: User, Article, Comment. Here’s an overview of NoSQL database design and key terminology: Document Stores (e. A good e-commerce database design includes: Simple, functional database structure: The database table structure is simple but covers all the required functionality without compromising the user experience. Database schema design for posts, comments and replies. At this point, our database looks like this: comments/{comment}. Optionally, blogging site may allow multiple users to Hi I am working on a group project in school right now for a database modelling and design class. For example, maybe one source is JSON's and you'd like to parse those files before it lands in your Data Lake database. 5 Database Design of a Restaurant Management System from user story to relational Model # database # mysql # php. 0. This type of design would put most of the stress on the PHP aspect of things because it would only be one SQL call to get all comments from a thread. But that approach will cause a performance overhead since it will require multiple queries for retrieval of information. 6 Database 101: What I don't like about the Nested Set Model:. Current DB schema for comments COMMENT TABLE: id (<PK>) post_id (id of the post that the comment is for: <FK on a post object>) author_id (id of the creator of the comment: <FK on a user object>) text (comment text: <String>) timestamp (comment date: <Date>) Edit: I ended up going with metadata in the comment. ReplyID Recently I started discovering a topic around "How to design db schema for storing structures similar to Instagram/Facebook/Reddit comments?". They are a Facebook style comments database design. 5 Megabyte, and you gets a loot of comments then you probably will need to store them somewhere else. Posts, and Comments. Each User The sheer volume and diversity of data — ranging from user profiles and posts to likes, comments, and shares — demand a robust and flexible database design. Hi, In attempt to put my understanding of relational database theory to work. Best approach for implementing comments and likes system like Instagram or Twitter. I have implemented role based permissions for one of my Database design is the backbone of efficient data management. It depends on if you want to retrieve a subhierarchy as well (so all children of item X) or if you just want to grab the entire set of hierarchies and build the tree in an O(n) way in memory using a I'm now creating a website similar to Reddit. Database design is important for managing and organizing data effectively. As requirements change, designers may revisit earlier phases to make adaptations. 0. What I have done so far is I created two tables USER_TABLE and USER_ROLES. 3) Display student who were born after 1st of June 1980. That is an IDEF1X data model. A few points: Learn as much as you can about problem domain. 1) Todo; Contributions; References; Overview¶ The following is the database model with relations drawn, except those which are implicit. UML or ERD with Crow's Foot Notation to design the schema. Enjoy seamless diagramming with imports & an easy drag-and-drop interface. - No facebook or social media Designing a relational database for a Healthcare Management System involves creating a schema that can efficiently store and manage data related to patients, appointments, billing, inventory, and doctors. My considerations Meet Touch Design for Mobile Interfaces, Steven Hoober’s brand-new guide on designing for mobile with proven, universal, human-centric guidelines. Read more about tips on better database design here. Overview; Model diagram (r4033 - v 1. Upcoming Experiment for Commenting. A comment is especially useful if your names do not clearly indicate the contents of columns or tables. The simplest way to do this is to add an attribute to each table to identify it (we could use concepts Creating Database-- Creating the schemacreate schema supply_db;-- Using the schemause supply_db;Creating tables DepartmentDROP TABLE IF EXISTS department;CREATE TABLE department ( `Id` int NOT NULL, `Name` varchar(20) DEFAULT NULL, PRIMARY KEY (`Id`) );DROP TABLE IF EXISTS category;CREATE TABLE category ( Database design 101. From understanding data storage to the principles that define data relationships, these For more design-related questions, try /r/web_design. Every good e-commerce database design should have certain characteristics. There are at least 6 normal form (NF) rules which define the correct way to normalise data (1NF through to 6NF). It's is a good fit for our use case because we are storing simple comments that don't require A comment can have a higher weightage than likes, and thus a post with more comments is more likely to get a higher rank. A comment must not exceed 762 bytes. We’ll cover the basics of laying out a database as well as ways to refine it for optimal results. Database design is important for social media platforms like Instagram and enables efficient management of user accounts, posts, comments, likes, and multimedia content. Having this data structure you are able to set restrictions even on paticular ticket key in all ticket types or in particular ticket type. Posts, comments, replies, and likes database schema. database is the last thing you should do, just fake it till you really need it. Another solution that many sites use is to skip implementing their own comment system, and just embed a comment service like Disqus. Loading 5 – Decide On A Unique Identifier. By following the steps and best practices outlined in this article Comments with a unique, auto-increment ID column as primary key, a post_ID column to relate it to the required post and a parent_ID column to allow replies to refer to the required comment. The older the edge, the lesser will be the What is Database Design?. A well-designed database ensures your data is organized, Database design is the process of creating an efficient and organized structure for storing and managing data in a database. Let’s get started by getting the data for our blog. So after ChatGPT-3, I'm using it a lot for my research and generating ideas. You can also import database structures from MySQL, Oracle, PostgreSQL, and SQL Server. A very consistent table design for subjects (instead of business data) and dbms functionality. Each comment has a parent [ID] pointing to the parent comment. Hi, I want to implement a facebook comment script to my webpage where users can post to other users walls Customer support systems are important for businesses to effectively manage interactions with customers, resolve issues, and provide timely assistance. Use sticky notes and add comments to your board to work When a user joins a live post discussion, the server retrieves existing comments from the database and sends them to the user's WebSocket connection. The tool comes with over 500 templates that you can drag and drop from a library to build custom diagrams. 3. Good morning Tobias, thanks for the comment, I instead put this under the waiter story and ommitted to put it up. think in systems, each as a separate entity, each system can communicate with only the system(s) they need to, and even so, they communicate through an interface that exposes only a simplified abstraction of the other system, not the real system. e. I am learning about databases and practicing few design myself. js and handlebar where user can create an account, login to "just semantics". The major entities of the relational database are the comments table, the videos table, and the users table. 1 Conceptual Database Design 2. Databases are designed to be used for client-server architectures in mind, although they can be used for all kinds of purposes. ; One can easily create inconsistencies which is prohibited, if you use the parent field in combination with a foreign key constraint. This kind of structure is similar to the tree structure. In the future, maybe there will be more entity types related to comment, not only money and progress. Here are some things that I think you should start with. Efficiently storing, retrieving, and managing these comments A customer reviews and ratings platform allows users to leave reviews and ratings for products or services. Schema Design. In this article, we will learn about How Database Design for Instagram by database-design; or ask your own question. This blog post is about adding nested comment system in nodejs application. Users can see it at a glance, and it is also a very mainstream design of comment system. As in: for the authors of PostgreSQL of MySQL etc. Behind every efficient customer support system lies a well-crafted database System design (HLD) for Nested Comments by a FAANG Senior Engineer that has reviewed over 100 design documents. Users can subscribe to a feed or feeds of categories that they are I have a use case where I need to do nested comments. What would be the most appropriate of the following options for designing the tables: is that it's bad database design to have to alter a table to accomodate a code change or a new feature if it can be Database Design. It ensures data is stored efficiently, retrieved quickly, and maintained consistently. Additional iteration occurs when a system is already live. ID = rt. Recently, I have become worried with the fact that one table in particular will be getting very big. It involves designing the database schema, which defines the Best approach for implementing comments and likes system like Instagram or Twitter. (Row based security, self cleaning, time dependencies) Usually you see comments say they got tutorial and its some half-assed made 3-minute vague video. Rules: - Comments should remain civil and courteous. Poor database designers may find themselves extending the project well beyond their initial time estimate, and the situation may also become unpleasant if the scope has not been clearly defined and agreed upon. Using this idea, the following sql will show the comments and the 'reply' to each comment for each reply that has a comment: select c. The only viable FOSS alternative I've found is Open Modelsphere, but The design of a database schema influences how efficiently your database runs and how quickly you can retrieve information. Learn basic relational dabase concepts i. E. Efficiently storing, retrieving, and managing these comments Designing a comment system, such as Disqus, is a feature integrated into websites that allows users to post comments on published content, interact with other users through replies, upvote or downvote comments, and sort or filter Database design In the tree structure dominated by comments, the design of the database is very flexible, which can be a single table design. I can't just start again but need to modify the existing schema. For example, the user can add a note on the project and/or on the project line. With the above database we'd only have to change one table value instead of 10,000! Thank you relations! Conclusion There is no single right answer to database design, but there are a lot of wrong Trying to set up a user profile page for a job site. To wrap things up and to deepen your knowledge of database design principles, I recommend the following books: Logical Database Design Principles (Foundations of Database Design) by John Garmany, Jeff Walker, and Terry Clark. The designers need to carefully manage the database's scope at this stage, as users may expect all their desires to be pandered to. Surprisingly, Facebook uses only two For each article there can be 'n' number of comments and anyone who is registered in the site can put any number of comments in for an article. The live comment service is a read-heavy system. Note: This model is Comment Database: Stores user comments on posts or content, including metadata such as timestamps and user identifiers. 2 Logical Database Design 2. That's That's a lot of changing. Just store comments like in your one-to-many example, but each comment may link to its "parent" comment when it is a reply. Description: barangay clearance is one the government issued identification documents needed for many important business, job, or personal transactions. Denormalization. However, most SQL databases designs get away with just apply the first three rules (1NF, 2NF and 3NF). 1 Database 101: Data Consistency for Beginners 2 Database 101: How social media “likes” are stored in a database 2 more parts 3 Database 101: Twitch Bot in a higher level for beginners. Entities and Attributes for the E-commerce Website. I want to design database for a web app in which user can access particular tabs based on the permissions given to a role. NoSQL databases offer various data models, each with its own terminology and design considerations. The database design for the social graph. Denormalization is a common practice in NoSQL database design to improve query performance by duplicating data across multiple documents or Our online designer is packed with all the features your really need and none of the fluff. Model likes, dislikes and comments in a SQL databse. Report. Feel free to take a look and if I can provide anything else to help you help me I would be glad. The Overflow Blog The developer skill you might be neglecting Upcoming Experiment for Commenting. g. News feed is a list of posts with text, image, or video generated by other entities in the system tailored for you to read. It would Designing data-intensive applications by Martin Kleppmann is a great intermediate book. The database will hold data gathered from several customers. It’s important to note that database design is an iterative process. In this article we will explore the basics of database design, covering key stages: requirements analysis, Comment; Order. There’s a small chance this might happen. On the net you're finding various document structures to achieve that, but I'm looking for some proposals that would enable me easily to do the following things with the comments Trong database design chia ra 2 nhóm đối tượng là: người thực hiện (database designer) và người sử dụng (database users). Follow. Design database model online & generate SQL script instantly. However, there is another System/database design for comments/replies and upvotes at scale. Payments Storage, Structure fields. Looking into a few database design I came up with this schema. Sorry for the misunderstanding Here, I demonstrate a schema, an entity, a DTO, and a continuous fraction index, for JPQL-only CRUD operations on deeply nested comments in relational databases. With his many years of real-world experience designing relational databases, Michael J. database design for a payment system. Step 1: Gather Business Requirements Hi @gangadhar , . 1. IDEF1X is the Standard for modelling Relational Databases. Optimize data models for the most frequent read and write operations to achieve optimal performance. I would recommend considering cross posting to r/dataengineering for more feedback. database table design question. SMS Case Study And Requirement1) Display all undergraduate student whose name starts with ‘S’ and is of length between 5 and 20. We are using SQL Server 2008. 📚This video will cover the complete high-lev This second edition of Database Design book covers the concepts used in database systems and the database design process. Our sample data is ready to query. Work on the model at same time. In the past I have always tried to design normalized You can store a comment about the table or the view as a whole, and you can also include a comment for each column. Designing a comment system, such as Disqus, is a feature integrated into websites that allows users to post comments on published content, interact with other users through replies, upvote or downvote comments, and sort or filter comments. But don't think this is a easy way Live Comment System Database Design. Proper table and column naming mean that most tables and columns might not need comments- redundant comments are bad; "this table contains students" as a comment on the "students" table is worse than useless. the government, or other suppliers in the case of part numbers). Suggest changes. Only 2 levels deep. With that in mind, let’s go through the steps in database design. Database Schema Design Figure 5: Live comment database schema. (commenting to a post and people commenting to each other) in a database schema. In that case, use a comment to describe the specific contents of the column or table. It involves defining tables, columns, relationships, and constraints to ensure data Storing trees in a database is a subject which has many different solutions. 4) The student are suppose to only provide mobile numbers . One such practice is question is designing a database for news feed provider like feedly. Results and next steps for the Question Assistant experiment in Staging Ground. This allows you to understand the basics of database design without necessarily being able to articulate the normal forms. Representing Multiple Payment Methods. - All reddit-wide rules apply here. To become a database designer, you must invest a lot of time and effort. There many benefits to mongodb but one of the major one is the concept of "scheme-less" database which allows you to store different types of data within the same collection/table. Database Table Design. Hide child comments as well. If we were to design a real-world application, we would also think about the possible user roles — like administrators. 2) Display the student who are senior citizen (>=60). I've been given the task of trying to improve it. To learn database design, you must take courses, get a degree, read books, keep up with the latest trends, and practice a Well-designed databases tend to be self-explanatory for someone who knows the "business". Like. Users can submit comments, which are then stored in a database and displayed under the related content Each comment would have an auto_increment identifier as per usual database design and the parent identifier column would indicate which comment this comment is a child of. This article will discuss the key components involved in designing a database for a Healthcare Communicating your database design to other team members – developers, stakeholders, or clients; Document your assumptions in your diagram using comments or notes. You can't create good data model without knowing what you're designing for; Have good knowledge about data types provided by your database provider ; How to properly use normalisation and design tables; Performance: when and how to apply indexes, how to write efficient queries etc. Rules: - Career-focused questions belong in r/DataAnalysisCareers - Comments should remain civil and courteous. Inserting and deleting items in the Nested Set Model is a quite comlicated thing and requires expensive locks. posts, comments How would you design the schema for a blog-like site with document-based databases (mongodb). Your descriptions of your issues with migrations makes me suspect that your not comfortable with database operations or proper database design. Many database vendors offer this feature either out of the box or via an extension. Connect to any SQL, NoSQL, or cloud database, design your schema with ease, and improve your workflow with intuitive, user-friendly Online database entity-realtionship diagram editor, data modeler, and SQL generator. Each comment can have any number of replies, and the replies can also have replies (so it's like a tree). I most cases, I design/develop using in-memory collections for persistance. This is a great DB project to take on-- I wish I had some insight to give into the database design, but all I can say is that it looks good to me. This because the maximum document size is 16 Megabyte. How can I sort thousands of Replies on a Post, following an algorithm that I would propose the structure like below having only 2 tables: Comment: id user (foreign key) post (foreign key) comment_text parent_comment_id (null or -1 if a new comment and comment_id of the parent if a reply) CommentLike (Table that shows which user liked which comments): id comment (foreign key) user (foreign key) like (1 = likes, 0 = dislikes) Database schema design for posts, comments and replies. // imagine infinite as well Need to store a reference to the user instead of a copy of user data in case user updates their profile. It includes comprehensive database design, advanced query techniques, and performance optimization strategies. Currently at work we use CA's Erwin, but this is very expensive and we regularly go out of support because the renewal costs are so high. Database Design for Mere Mortals is the perfect introduction to relational database design for the novice and anyone needing a refresher. Relational Database Management System design answer key for design Facebook Live Comments feature, built by FAANG managers and staff engineers. Database design. Design your SQL database with industry leading cloud relational modeling and documentation tool. - Do not post personal information. Whenever you update a record in the database, the database holds on to Design the database schema for scalability to accommodate growth in data volume and user traffic. First, this book teaches the fundamentals of relational database I have not fully learned, but I got some experience with relational database design. Lucidchart is a visual design tool that you can use to create database designs. CommentID and r. Each comment has a parent [ID] pointing to the parent Hey, I also did this and I am having the same trouble as it regards to my database. I'm having a very tough Hello, I want to build a comment system for my posts. UserID: Foreign key linking the comment to the user. Currently I am designing a database for use in our company. Here, although you regarded posts and comments each has the same kind of data but finally each of them is a separate entity so they should be separated in two tables. It's my opinion, and anyone who uses Domain Driven Design, that the database is irrelavent when designing an application. It is very up-to-date on all the technologies (which is not true for all database-related books). The goal of the database is to acquire aggregate benchmark numbers over several customers. Imo the only usecase for a database would be when you making a multiplayer game and storing data on your servers. The database file design and index design for the physical model. The data requirements for comments are simple and Comments. Try this: Resource Reservation Data Model. Pehaps you should consider skipping relational type database like mysql and use a "NOSQL" database like mongodb. This article will discuss best practices for Still, this list could have been improved. The users may need to post comments about money and progress. Inconsistencies can appear, if rght is lower than lft; Inconsistencies can appear, if a You still only need one table. More examples were needed as Quick and simple free tool to help you draw your database relationship diagrams and flow quickly using simple DSL language. Design your NoSQL database schema based on the application's data access patterns. These systems contain various channels such as phone, email, chat, and social media and focus on enhancing customer satisfaction and loyalty. Building a strong or responsive application starts with a good database. Share. ; When and Relational databases are preferred for designing Amazon's database because they offer strong data integrity, ACID compliance, complex query support, and consistent performance, ensuring the reliability and delicacy required for critical functions like fiscal deals and order processing, which are fundamental to Amazon's e- commerce platform. tl;dr design the database to mirror the business domain as closely as possible because it helps the overlap of concepts between the business and developers. Nested comments can be infinitely deep. Use live comments/chat to collaborate with your team What would be the best way of designing a database to store blog posts and comments? I am currently thinking one table for posts, and another for comments, each with a post ID. Improve. Another implementation I I'm designing a database for a web site that will have at least 4 different object types represented (articles, blog posts, photos, stories), each of which have different enough data requirements to warrant their own tables. Shark3y3s April 8, 2010, 11:15am 1. Properly designed databases are not only easy to maintain but also improve data consistency and cost-effectiveness in terms of disk storage space. Have a schema per data source. The comments table could contain tens of billions of rows. Replies are not nested, so a reply doesn't have a reply. In the tree structure dominated by comments, the design of the database is very flexible, which can be a single table design. It’s done as part of the normalisation process of a database. Make sure that every one of your designs meets these set of best practices for database design and your database will always run smoothly and swiftly. Comments and metadata is picked Importance of Normalization in Diagramming and Database Design: Normalization is vital in database diagramming as it helps organize data systematically, reduces redundancy, and minimizes data inconsistencies. SqlDBM offers you an easy way to create an ERD of your database prior to creating an actual one. Data Model. Reply reply [deleted] • Comment deleted by user Please review sub rules before posting or commenting. payment transactions and order table? Database Design Advice For Fees and Payments. So each comment will be like a tree and there shouldn't be any restrictions on the number of levels. This behavior is not a personal opinion. Every post can have zero or more comments. Data to be stored : - Userinfo (name, email etc) - Friends - Posts - Comments on posts. 31 votes, 16 comments. But to keep the Load database, if you need to store data before transforming it for your data lake. A robust database architecture supports easy user interactions, real-time updates, and enhanced privacy and security. High performance: Database queries execute quickly to facilitate live customer interactions and support a frictionless shopping experience I'm working on a legacy system with at least 100 tables. It also gets into some advanced topics without making them seem too This would not be possible without a multi-language database. I'm having a very tough time wrapping my head around it, so can anyone help me with it? Share Add a Comment. RDS Postgresql can handle that amount without even breaking a sweat if the database is correctly designed. As you say you are new to web development. Here, a user can write a post, while other users, including the writer, can comment and/or up/downvote (1 or -1) the post. What is database design? At its core, database design is the process of creating a logical and physical model of a database system. We are considering blog management system, because most of us know what information blog stores. As krokodilko wrote in his comment, it depends on the level of flexibility you need. Maintenance activities can lead to incremental improvements in the existing design. Hot Network That’s important when literally designing a database software platform. Here, you will see why you need a multi-language database, three great multi-language database designs, and how to choose the best one for you. System/database design for comments/replies and upvotes at scale. Top. Id Invoice. For designing a Facebook-like application, you can follow a database design that incorporates both relational and NoSQL databases, along with caching mechanisms. Then when everything is working, I, or a DBA, creates a robust, database implementation for persistance. Before designing a database, it's crucial to understand important terms and concepts. A database diagram is a useful tool for designing, documenting, and understanding your database. Database design is the process of creating a structured plan for a database that outlines how data will be stored, organized, and accessed. I have built a blogging web application PBlog using Express. VideoID: Foreign key linking the comment to a specific video. It should clearly identify points that are specific to only some database management systems (for example, SQL Server). comment, r. Optimizing the friend-relationship storage in MySQL. Product: Contains details about the product. Hello all. Every time a resident claim or process the clearance, the system stores the information in the tblclearance table. You can find it, for example, on Linkedin or Instagram. As an alternate solution comments can be stored into stories collection Designing a database in the NoSQL world requires a different mindset compared to traditional relational databases. , MongoDB, Couchbase): For videos, for beginners, I recommend How to fake a database design (disclaimer: that's my talk). The database I plan to use is the MySQL database. Database Design for a system that has Facebook like groups. Postgresql Multi Table Count: likes, dislikes, comments for social media style app. The user can also like replies or comments. Conclusion. Thanks again for responding and giving a good suggestion. I want to know how I can implement the Reddit comment system (commenting to a post and people commenting to each other) in a database schema. Id There obviously might be multiple types of approvals and multiple objects that require approvals. Relational Database: 1. The table has 10 fields or columns; the primary key (id), the clearance number for control We are going to use SQL Server as the target database for this demo. After reading various article on web, there is 2 I'm designing a database where a user can add notes on diffrent entity of the application. User can add Comments to Article. Pagination and efficient querying are essential for managing large I'm quite new to MongoDB and trying to build a nested comment system with it. A properly structured database guarantees efficiency, data accuracy, and usability. New. But regardless of any AI support, with databases I find the main thing a design benefits on a good well thought design of relations. Hot Network Questions Nginx: SNI wildcard routing for subdomain, but also proxy+terminate others Designing a database for a Reddit-like comment system presents unique challenges due to the hierarchical and potentially infinite nesting of comments. keys, indices etc. Database designer phải tổng hợp và lập kế hoạch triển khai sao cho đáp ứng được tất cả mong đợi, yêu cầu và mục đích sử dụng của database users. Need the ability to edit a comment without updating the whole tree, so comments seem to require their own table. A reliable customer support system is indispensable for businesses to deliver prompt assistance and effectively resolve issues. The Documenting database design is crucial for ensuring clarity, consistency, and maintainability in database development projects. Dbms excel when you have a lot of transactions to perform (read CRUD). Learn forming relation - one to one, one to many and many to many Study normalization Study modeling inheritance in relational database Database design is important for social media platforms like Instagram and enables efficient management of user accounts, posts, comments, likes, and multimedia content. We have been given a major project to work on where we can pick any topic and create a database for it, having at least 8 entities. Precise statistics regarding performance, heuristics, or the importance of spending time on design rather than on maintenance and re-design would have been good. Database Principles: Fundamentals of Design, Implementation, and Management by Carlos Coronel, Steven Morris, et al. And to store the necessary data, I designed the following SQL model, however as this is my first time designing an SQL model, I'm not certain if I did well, so I would like to ask if my model is good The Iterative Nature of Database Design. Use Miro's Database Design Tool to model and optimize database structures online. Stage database for creating views/tables that do not need to be exposed to the business. This tutorial on designing a database using OpenOffice explains the importance of primary keys (and many other tips on database design). The The easiest way would to have a 'polymorphic' comments table that would have columns for both the id and the type of the object that it refers to. Get the Comments Data. Designing a multi-language database that can easily scale to new languages is not easy. It’s also dependent on rules that are external to the system (e. I've been writing my thesis about database scalability, and this has been my go-to reference for all the fundamental concepts. Designing a relational database for such a platform involves defining entities, attributes, and relationships to As a rule in database-design: Tables are called entities, so each entity in your application should be separated and demonstrated by table. Some of the entity types of interest with respect to the relevant business domain are money, user and progress. Design, visualize, and export scripts without an account and completely free of charge. Effective documentation serves as a reference guide for database administrators, developers, and stakeholders, helping them understand the database's structure, relationships, and constraints. We want users to be able to post comments for any of these types. CommentID: Unique identifier for each comment. Visit chat. Database Table design. Don't create a second table for sub-comments. Storing Posts&Comments in seperate tables or together-1. This involves defining the structure of the data, the relationships between different According to above mentioned description it seems that story comments is a separate collection which will encapsulate comments related to several stories along with story Id. If you need to restrict access to tickets of particular type, so you can set it for template_type. @Zach Setting privileges is up to your needs. After extensive research, I was Before diving into multi-level comments, I want to cover a less complex but popular version — 1-level deep replies. The database is has some un-normalized structure, tables that contain a variety of disparate data, and other problems. ecommerce query sql database view dbms indexing plsql trigger subquery database-design <p>A system that allows users to comment on your blog post and get replies from other users can increase your website&#39;s interractivity I can give you the Relational Database that you will need, but you have to be able to write SQL code, in order to use the database effectively. 3TB is not a very large database for PostgreSQL. net access (Owner, Editors, Viewers) by simply providing team member’s email. For a Facebook type social networking app, a high performing database structure is required, for storing data in Firebase(Cloud Firestore) (NoSQL). Key Features: Extensive Template Library: Over 500 For the Comments entity: Comment ID, Content, Creation Date, Post ID (to associate the comment with the post), and User ID (to identify the comment author). A well-designed database serves as the backbone of customer This is a place to discuss and post about data analysis. Comments: This table would store information about comments made on posts, including the user ID of the person who made the comment, the comment’s content, and the date it was posted. Features like Mini-Map for fast navigation, keyboard shortcuts, instant save with history, Copy & Paste, Undo & Redo, Table Cloning, Automatic You can more easily de-normalize the database for analytics and applications than the opposite. Every comment is just related to just that post, so why not store them together(you store the title and the body together ;) If you have large documents, >15. Entities and Attributes are defined below: 1. Comments. comment as reply from comment as c, comment as r, replyto as rt where c. Lucidchart. Those records in the comments table with a null or 0 parent_ID are the OP comments. nqsw fltxx qqdjpip wlu dakl zdyi jbiy iidsj cdet bkndi