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Increases efficiency: Data is stored close to most often used site, therefore retrieval would be faster. Also, data that is not required by local applications is not stored, therefore the size of data to be looked into is smaller.
what is primary key
Design a generalization–specialization hierarchy for a motor-vehicle sales company. The company sells motorcycles, passenger cars, vans, and buses. Justify your placement of attrib
Explain Relational model and their use in DBMS? Relational Model - The relational model was first introduced through E.F. Codd of the IBM Research in the year of 1970. The mode
In E-R Diagram how derived attribute are represented ? In E-R Diagram By Dashed ellipse derived attribute are represented.
Problem : (b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and
find the name of supplier who supply some red part
create an er diagram for production management in film industry
Illustrate the State model for the ATM class let us take state model for the ATM class given below in Figure showing state model of the ATM class and the pseudo code derived fr
need requirement analysis for database management of stock market
ER diagram on cosmetics
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