Question
i. What is the maximum number of branches that a reader has borrowed at least two different book titles from each branch? ii. Which book
i. What is the maximum number of branches that a reader has borrowed at least two different book titles from each branch?
ii. Which book title with at least two authors have the maximum number of copies overall in all branches? (20 p)
iii. Which readers have borrowed at least a title from all except one of the whole branches of the library? (20 p)
iv. Which branches of the library have at least one copy for two Dan Brown written book titles currently available for loan?
Part-II Assume you have three entity sets and only one relationship set between them. Illustrate and discuss all scenarios (different mapping cardinalities and participations) that will affect the relations to be obtained from the E-R diagram drawn
Write the following queries in SQL, using the relational database below: book book-id , title, publisher-name) book-authors book-id , author-name) publisher publisher-name, address, phone) book-copies( book-id, branch-id, no-of-copies) book-loans book-id, branch-id, card-no, date-out, return-date) library-branch( branch-id, branch-name, address) borrower card-no , name, address, phone)Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started