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Draw an ERD for the following problem. Help design the backend database for a startup company (imagine Facebook back in the “old” times), which plans to launch a social media platform that allows USERS to share their “MOMENTS” (like a posting) with their FRIENDS. A user may have some FRIENDS who are users of the system as well. A User can send a request to another user to become a friend. A user and his/her friend can post COMMENTS and LIKES to a MOMENT. Draw an ERD and show some important attributes (e.g., key, username, password, moment posting time, etc.). Clearly state any assumptions. When possible, convert to associate entities.

Draw an ERD for the following problem. Help design the backend database for a startup company (imagine Facebook back in the “old” times), which plans to launch a social media platform that allows USERS to share their “MOMENTS” (like a posting) with their FRIENDS. A user may have some FRIENDS who are users of the system as well. A User can send a request to another user to become a friend. A user and his/her friend can post COMMENTS and LIKES to a MOMENT. Draw an ERD and show some important attributes (e.g., key, username, password, moment posting time, etc.). Clearly state any assumptions. When possible, convert to associate entities.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Draw an ERD for the following problem.

Help design the backend database for a startup company (imagine Facebook back in the “old” times), which plans to launch a social media platform that allows USERS to share their “MOMENTS” (like a posting) with their FRIENDS. A user may have some FRIENDS who are users of the system as well. A User can send a request to another user to become a friend. A user and his/her friend can post COMMENTS and LIKES to a MOMENT. Draw an ERD and show some important attributes (e.g., key, username, password, moment posting time, etc.). Clearly state any assumptions. When possible, convert to associate entities.

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