Design a database for a Social Media Website. • You only need to design the part of the database which manages Users, Friend Requests, and Stories. A user can send friend requests to other users. Once accepted, they become friends. The system should keep track of all current friend relationships (meaning, the system knows which two users are friends as of now). • A user can see all the current/historical friend requests he/she ever sent or received. The user can either accept or reject requests he/she received. The system should store when a friend request was created / accepted or rejected. • A user can post any text as Stories. To make it simple, assume: o A Story only contains a piece of text. o Users can only post Stories on their own homepage. The posted Story can then be seen by anyone who visits the user's homepage. A user can like any Story posted by any user (including Stories posted by himself/herself). Draw a conceptual schema by finishing the following design (you don't need to add any more Entities besides the three given Entities): ?22 Please design the relationship(s) between User and FriendRequest s a friend of User FriendRequest post Story Convert the schema you designed in (1) to a relational schema.
Design a database for a Social Media Website. • You only need to design the part of the database which manages Users, Friend Requests, and Stories. A user can send friend requests to other users. Once accepted, they become friends. The system should keep track of all current friend relationships (meaning, the system knows which two users are friends as of now). • A user can see all the current/historical friend requests he/she ever sent or received. The user can either accept or reject requests he/she received. The system should store when a friend request was created / accepted or rejected. • A user can post any text as Stories. To make it simple, assume: o A Story only contains a piece of text. o Users can only post Stories on their own homepage. The posted Story can then be seen by anyone who visits the user's homepage. A user can like any Story posted by any user (including Stories posted by himself/herself). Draw a conceptual schema by finishing the following design (you don't need to add any more Entities besides the three given Entities): ?22 Please design the relationship(s) between User and FriendRequest s a friend of User FriendRequest post Story Convert the schema you designed in (1) to a relational schema.
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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Need help drawing a conceptual schema and a relational schema (Data bases)
Transcribed Image Text:Design a database for a Social Media Website.
• You only need to design the part of the database which manages Users, Friend
Requests, and Stories.
A user can send friend requests to other users. Once accepted, they become
friends. The system should keep track of all current friend relationships (meaning,
the system knows which two users are friends as of now).
• A user can see all the current/historical friend requests he/she ever sent or
received. The user can either accept or reject requests he/she received. The system
should store when a friend request was created / accepted or rejected.
• A user can post any text as Stories. To make it simple, assume:
o A Story only contains a piece of text.
o Users can only post Stories on their own homepage. The posted Story can
then be seen by anyone who visits the user's homepage.
A user can like any Story posted by any user (including Stories posted by
himself/herself).
Draw a conceptual schema by finishing the following design (you don't
need to add any more Entities besides the three given Entities):
??? Please design the
relationship(s) between User
and FriendRequest
is a friend of
User
FriendRequest
post
???
Story
Convert the schema you designed in (1) to a relational schema.
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