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Q1) Write SQL queries for the books database (discussed in Section 22.3) that perform each of the following tasks:
a) Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
b) Select a specific author and list all books for that author. Include the title, year and ISBN number. Order the information alphabetically by title.
c) Add a new author to the Authors table.
d) Add a new title for an author
Explain why data flow diagrams are developed in a hierarchy? What are the names of some levels in the hierarchy?
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
Design relation schemas for the entire database.
Complete (i.e., reverse engineering) ER diagram below such that 4 relation schemas above are exactly result of a translation from the ERD to the relational model.
Suppose a database has tables given below. Write the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Draw Active Directory hierarchy in terms of forests, trees, domains, organizational units, and sites which are most suitable for this company and their security concerns.
Examine different sales transactions. Design a context diagram and a level-0 diagram that represent the selling system at the store.
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Identify and explain the differences between a stack and a queue data structure
Draw an ER diagram for database scenario. Design a set of 3NF tables for your database scenario.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
How many copies of the book titled „The big magic? are owned by the local library whose name is "Newtown" library?
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