generalization-specialization(DBMS), Computer Engineering

Assignment Help:

Design a generalization-specialization hierarchy for a motor vehicle sales company. The company sells motorcyles,passenger cars,vans,and buses.justify your placement of attributes at each level of the hierarchy. Explain why they should not e placed at a higher or lower level.

Related Discussions:- generalization-specialization(DBMS)

Data communication, how CSMA protocol is improved through persistence metho...

how CSMA protocol is improved through persistence methods & collition detection

What is a parent class of all java classes, Parent class of all Java classe...

Parent class of all Java classes is? All Java class's parent class is java. lang.object.

What is rom, What is ROM? Read only memory [ROM] is used for storing pr...

What is ROM? Read only memory [ROM] is used for storing programs that are permanently resident in the computer and for tables of constants that do not change in value as the pr

Associative array processing, Consider that a list of record or a table is ...

Consider that a list of record or a table is stored in the memory and you wish to find some information in that particular list. E.g. the list comprises three fields as displayed b

What is sensitivity list, What is sensitivity list? A list of signals w...

What is sensitivity list? A list of signals which trigger execution of the block when they change value. Sensitivity list indicates that when a change occurs to any one of

What is multi-threaded unix kernel, Q. What is multi-threaded unix kernel? ...

Q. What is multi-threaded unix kernel? Multi-threaded UNIX kernel: We know threads are light-weight processors demanding minimal state information comprising the processor stat

What is the concept of lock, Q. What is the Concept of Lock? Locks are ...

Q. What is the Concept of Lock? Locks are used for protected access of data in a shared variable system. There are numerous kinds of locks: 1) Binary Locks: These locks a

Is it possible to change the color and font of the sheet tab, Yes we can mo...

Yes we can modify the color of sheet tabs. By right clicking on sheet tabs and you will get option change color but you didn't find any option to modify the font of sheet tabs.

What is wireless transmission systems, What are wired and wireless transmis...

What are wired and wireless transmission systems? Transmission Systems: Modern type long distance transmission systems can be placed in three wide categories: 1. Radio Sy

Explain about registers, Q. Explain about Registers? A register is a gr...

Q. Explain about Registers? A register is a group of flip-flops that store binary information and gates that controls when and how information is transferred to register. An n-

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages