Multi-valued attribute dbms, computer science, Basic Computer Science

Assignment Help:
Multi-valued Attribute DBMS
Each multi valued attribute maps into a separate table.
Include also an attribute for the primary key of the entity and relationship type which the attribute belongs to.
The relvar has an attribute for each simple attribute of the multi valued attribute.
This is also a foreign key.
The primary key of this relvar is the combination of all the attributes if the multi valued attribute is simple.
If the multi-valued attribute is composite, the primary key of this relvar may be a combination of some of the attributes.

Related Discussions:- Multi-valued attribute dbms, computer science

Excell, grades computation

grades computation

Search problems in artificial intelligence, Specifying Search Problems ...

Specifying Search Problems In our agent terms, a problem to be solved is a particular task where the agent starts with the environment in a given state and acts upon the enviro

Concept in programming language, CONCEPT IN PROGRAMMING LANGUAGE: A Pr...

CONCEPT IN PROGRAMMING LANGUAGE: A Programming Language is used to design and describe a set of instructions and computations to be executed by a computer. To do programming,

Input and output devices, Input and Output Devices : The most common input...

Input and Output Devices : The most common input devices that you will see in your PC are the keyboard and the mouse. The keyboard of the computer looks like the keyboard o

Database assignment help , What îs exactly data type and Database Assignme...

What îs exactly data type and Database Assignment Help  ? We have can take several points of view, A data type îs set of values — char typically has 256 distinct values, into has

System software, Name and explain the classifications of computers

Name and explain the classifications of computers

Disk output, Disk output : You will already have decided whether to u...

Disk output : You will already have decided whether to use a hard disk or floppies for storing data. An important point of disk management is to ensure a secure method of kee

Operating systems, Consider the state transition diagram of Figure 3.9b. Su...

Consider the state transition diagram of Figure 3.9b. Suppose that it is time for the OS to dispatch a process and that there are processes in both the Ready state and the Ready/Su

Linux Calculator in Java, Hello, Could you create a linux calculator using ...

Hello, Could you create a linux calculator using very basic java code (not complex, because I am a novice java coder). It should be called into the terminal for interaction. Thank

Opening documents situated on different computers - network, Opening Docume...

Opening Documents Situated on Different Computers In order to work with documents situated on other computers, you need sufficient rights to access the folder in which it is

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