er diagram, Database Management System

Design a generalization–specialization hierarchy for a motor-vehicle sales company. The
company sells motorcycles, passenger cars, vans, and buses. Justify your placement of
attributes at each level of the hierarchy. Explain why they should not be placed at a
higher or lower level
Posted Date: 9/12/2018 6:15:18 AM | Location : USA







Related Discussions:- er diagram, Assignment Help, Ask Question on er diagram, Get Answer, Expert's Help, er diagram Discussions

Write discussion on er diagram
Your posts are moderated
Related Questions
Boyce-Codd Normal Form (BCNF) The relation NEWSTUDENT (Enrolmentno, Sno, Sname, Cname, Cno,) has every attributes participating in candidate keys as all the attributes are assu

explain thee diffrent types of data models

Define blocks? The database system resides eternally on non-volatile storage, and is into fixed-length storage units known as blocks.

Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •


What are the physical characteristics of magnetic disks?   Ans: A magnetic disk is a circular plate or platter of plastic or metal that is coated with magnetizable material lik

Example- Search the salary of employees who are not 'ANALYST' but get a salary below than or equal to any people employed as 'ANALYST'. SELECT EMPNO, ENAME, JOB, SAL FROMEMP

give some example real-life situations where DBMS are most suiitabe


You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -