Define relations in tables and define primary keys, Database Management System

Assignment Help:

Consider the subsequent relations along with keys underlined

Street (name, location, city)
House (number, street_name)
Lives (name, house_number)
Define the above relations as tables in SQL making real world assumptions about the kind of the fields. Define the primary keys and the foreign keys.

Create table street (name character(30) primary key, location character(30), city character(30));
Create table house( number integer primary key, street_name character(30) references street(name));
Create table lives ( name character(30) primary key, house number integer references house(number));


Related Discussions:- Define relations in tables and define primary keys

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

Erd, er diagram on cosmetics.

er diagram on cosmetics.

Write short notes on data ware housing, Write short notes on data ware hous...

Write short notes on data ware housing? Data ware housing applications needs the transformation of data from many sources into a cohesive reliable step set of data configured a

Shared lock or read lock, Shared lock or Read Lock It is requested ...

Shared lock or Read Lock It is requested by a transaction that needs to just read the value of data item. A shared lock on a data item does not permit an exclusive lock

Explanation of system architecture of dbms, Q.   With the help of a suitabl...

Q.   With the help of a suitable diagram gives module wise explanation of system architecture of DBMS. Sol. A Database management is a collection of interrelated data and col

What is oracle process explain for processes of oracle, What is Oracle Proc...

What is Oracle Process? Explain any four processes started by Oracle. Oracle Process is as follows: SMON: The System Monitor carries out a crash recovery while a crashed in

What is a state chart diagram, What is a state chart diagram? State dia...

What is a state chart diagram? State diagrams (State Chart Diagram) explain all possible states that a particular object can get into, and how object's state changes as result

Lock, intent locking

intent locking

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