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Design a gennalization and specialization hierarchy for an automobile sales company
Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
what is RDBMS? how it works? good example.
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
I am doing research in this area, especially in sime join and join efficacy when several relations have been queried. Relations located in different sites. I need something like n
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
Improved performance: As the data is located near the site of its demand, and given the inherent parallelism because of multiple copies, speed of database access may be good for di
Explain the main advantages of DBMS over File Oriented System ?
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