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Q1) Use the schema below for the following questions: Book (BookId, Title, Publisher-name) BookLoans (BookId, BranchId, CardNo, DateOut, DueDate) BookCopies (BookId, BranchId, No-of-copies) LibraryBranch (BranchId, BranchName, Address) Borrower (CardNo, Name, Address, phone)
i. How many copies of the book titled „The big magic? are owned by the local library whose name is "Newtown" library?
ii. For each book which is loaned out from the „Newtown" branch and whose DueDate is today, retrieve the book title, the borrower?s name and the borrower?s address.
Is software measurement equivalent to software metrics? What makes them different?
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
Design a Database schema
Several times, database triggers are utilized to record logins by users. Here is the example of login trigger that inserts row into table every time a user connects.
Pharmacy systems today are more efficient and user friendly when compared to the systems 20 years ago.
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
Assignment 5: Logical Design, Part II, Explain the problems associated with data redundancy as it pertains to effectively using information for reporting and analysis.
Assume you manage business activity which needs a new IS with a database. The development team is divided on which DBMS you must use. One faction wishes to use oracle,a second wants to use MtSQL, and a third wants to use SQL server.
Describe the characteristics of a Relational Database Management System (RDBMS).
Describe the database and describe the four characteristics of the database? Explain the Relational Database and generate a relational database for five employees.
Draw an ER diagram for your database scenario. Design a set of 3NF tables for your database scenario.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
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