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

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.
Posted Date: 2/14/2012 10:06:08 PM | Location : United States







Related Discussions:- Multi-valued attribute dbms, computer science, Assignment Help, Ask Question on Multi-valued attribute dbms, computer science, Get Answer, Expert's Help, Multi-valued attribute dbms, computer science Discussions

Write discussion on Multi-valued attribute dbms, computer science
Your posts are moderated
Related Questions
WAP TO ACCEPT MARKS OF THREE SUBJECT FOR STUDENT & CALCULATE TOTAL MARKS AND PERCENTAGE

They are particular register instructions. They are used to load bytes or sequences of bytes onto a register. LODS (LODSB) (LODSW) LAHF LDS LEA LES LODS (LODSB) (LODSW) INSTRUCTION

Dataflow Modeling for DSP Design The necessary components in the research of application-specific computer architectures are: 1) a clearly identified set of problems that can b

Goals of Autonomous Rational Agents: Artificial intelligence One possible way to improve an agent's performance is to enable it to have some kind of details about what it is tr

Program Planning (Preparation of a Flow Chart) A flow chart is a graphic method for indicating a proposed or actual solution to the problem. A flow chart shows the steps a comp

Nursing Care Activity Module Retrieving of identification data of patient  Assessment of the patient  - Physical - Mental - Personal - Socio-c

Ask question #MiniA string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''''a''

how will a poorly conducted feasibility study affect an implemented system

Question : (a) You want to perform the task of sending an e-mail message to three of your friends. You can assume that the email addresses, of the people you want to send the e

THE THIRD GENERATION (1966-1975) The introduction of IBM-360 series of computers in 1965 marked the beginning of this generation. The transistors were replaced by solid