Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Consider the relations given below Borrower (id_no, name)Book (accno., title, author, borrower_idno) (a) Define the above relations as tables in SQL forming real world assumptions about the kind of the fields. Define the primary keys and the foreign keys. (b) For the above relations answer the subsequent queries in SQL What are the titles of the books borrowed through the borrower whose id-no in 365.(i) Find out the numbers and names of borrowers who have borrowed books on DBMS in ascending order in id_no.(ii) List the names of borrowers who have borrowed at least two books.
a) Create table Book (Accno int Primary Key, title char(30), author char(30), borrow-idno int references Borrower_id.no ); Create table borrower (id-no int Primary Key, name char(30) ); b) (i) Select title from Book, Borrower where Borrower.id_no =Book.borrower-idno and borrower.id_no = 365 (ii) Select id_no, name from Borrower, Book where Borrower.id_no= Book.borrower_idno and title= ‘DBMS' order by id_no asc; (iii) Select name from Borrower, Book where Borrower.id_no = book.borrower_id_no having count (*) > 2
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
Question 1 Explain ER model Question 2 What are the characteristics of a computer provided information? Question 3 What are facts and guidelines to be considered when se
A model in database system mostly defines the organisation of data or structure and a set of operations on that data. Relational model is a easy model in which database is represen
Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some
Explain different categories of failures that occur in Oracle database? Categories of Failures - In Oracle database subsequent types of failures can occurred: Statement Failu
How many levels can be viewed in Architecture of the database ? Architecture of the database can be viewed as three levels.
Let us first describe the term relationships. What Are Relationships? A relationship can be defined as: A set of associations or connection, or A rule for communic
define lock conversion
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd