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cs614 assignment 2 solution
CS614 Assignment No 02 Solution Spring 2019
HyperMart is an online shopping store currently acquiring a large number of customers. To manage some performance issues this online store requires to de-normalize its database for order and Order detail tables.
Normalized table structures are given below:
Order details Table
· Assume 1:12 record count ratio between Order master and Order detail for online store’s database
· Assume 10 million orders (120 million records in order detail).
· Assume 10 byte Order_ID.
· Assume 30 byte header for master and 60 byte header for detail tables.
You are required to perform the following tasks:
1. De-normalize the given tables using Pre-joining technique
2. Calculate the total space used with normalization
3. Calculate the total space used after de-normalization
Best of Luck!
CS614 Assignmen No 02 Solution Spring 2019
in sab ma sy right kon sa ha sir