Define the relations as tables in sql, Database Management System

Assignment Help:

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

 


Related Discussions:- Define the relations as tables in sql

List the steps for converting state diagram to the code, List the steps for...

List the steps for converting state diagram to the code. a) Finding major control path b) Finding the conditional statements  c) Finding the loops  d) Finding error ro

What is a records management consultation, What is a records management con...

What is a records management consultation? Our organization is an authority for disseminating your specific requirements and giving you with a solution to effectively manage yo

What are the states of transaction, What are the states of transaction? ...

What are the states of transaction? The states of transaction are:- a) Active b) Partially committed c) Failed d) Aborted e )Committed   f) Terminated

Define instance and schema, Define instance and schema?  Instance:  C...

Define instance and schema?  Instance:  Collection of  data  kept in the  data  base  at  a  particular  moment  is  known as an Instance of the database.  Schema: The o

What is an entity relationship model, What is an entity relationship model?...

What is an entity relationship model? The entity relationship model is a set of basic objects known as entities and relationship between those objects. An entity is a thing or

MULTI-LIST FILE ORGANIZATION, sir, could anybody help me in getting complet...

sir, could anybody help me in getting complete information about the mentioned topic

Explain the equijoin, Explain the θ-join and equijoin Refer tables Car ...

Explain the θ-join and equijoin Refer tables Car and Boat which list models of cars and boats and their relevant prices. Assume a customer wants to buy a car and a boat, but sh

Which operator is cartesian product in relational algebra, Which operator i...

Which operator is Cartesian product in relational algebra? Cartesian product in relational algebra is a binary operator. (It requires two operands. e.g., P X Q)

What is a security, What is a security? Securities are claims on financ...

What is a security? Securities are claims on financial assets.  They can be illustrated as "claim checks" which give their owners the right to receive funds in the future.  Sec

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd