State the objectives of object design, Database Management System

Assignment Help:

Determine the OBJECTIVES of object design

After passing through this unit, you should be able to:

describe and apply concept of generalisation;
understand and apply the ideas of abstract Class and multiple Inheritance;
apply generalisation as extension;
apply generalisation as Restriction and explain concept of constraints and Metadata

Related Discussions:- State the objectives of object design

Aggregation, aggregation

aggregation

What is a transaction? , What is a transaction ? The Transaction is a un...

What is a transaction ? The Transaction is a unit of data processing. For instance, many of the transactions at a bank may be withdrawal or deposit of money; transfer of money f

Modify - referential integrity, Update or Modify operation alters the exist...

Update or Modify operation alters the existing values. If these operations alter the value that is the foreign key also, the only check need is the similar as that of the Insert op

What is the role of order by clause, What is the role of ORDER By Clause? ...

What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s

Give an example of operations from the state actions, Give an example of op...

Give an example of operations from the State Actions and Activities. For instance, in bank the activity verify account code and verify password

NORRMALIZATION, Home based assignment Consider an ORDER table with the foll...

Home based assignment Consider an ORDER table with the following attributes: • Order Number (ONo),Customer Number (CNo),Customer Name (CNa),Item Number (INo),Unit Price (UP), Quant

Explain tuple variable, Define tuple variable? Tuple variables are used...

Define tuple variable? Tuple variables are used for comparing two tuples in the same relation. The tuple variables are explained in the from clause by way of the as clause.

#mapping constraints, explain the mapping constraints

explain the mapping constraints

Conversion of er diagram to relational database, Conversion of entity sets:...

Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri

The internal or physical level in dbms, The Internal or Physical Level ...

The Internal or Physical Level The collection of files permanently stored on secondary storage devices is called as the physical database. The internal or physical level is t

Write Your Message!

Name

Email id

Message

Verfication Code

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!

Submit Assignment

User Account

All Pages