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)
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)