Consider the following schema related to a Social Media website named as ‘userPosts’.
computer science
Description
Question
No. 1
Consider the following schema related to a Social Media website named
as ‘userPosts’. You have to perform following tasks related to the provided
schema:
1- Identify
appropriate keys for following structure (Primary and/or foreign key(s))
2- Convert
this schema into 2 NF
userPosts (userID, userName, password, address, postId, postDate,
postContent)
Question
No. 2
Consider the following schemas relevant to a hotel booking
website. You are required to De-Normalization the given schemas using Collapsing
Tables Technique.
roomVisitor (roomID,
visitorCNIC, dateTime)
roomCharges (roomID, spentDays, roomRent)
