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OBJECTIVES
After going through this unit you should be capable to:
how draw er diagram
What are the uses of functional dependencies? To test relations to see whether they are legal under a given set of functional dependencies. To state constraints on the set
How many types of users works on database? Users are differentiated through the way they expect to interact along with the system (i) Application programmers-interact with
how to find entities
Why a report generator is used ? Report generator is used for print files on paper.
Multi-list file Organisation Multi-list file organisation is a multi-index linked file organisation. A linked file organisation is a logical organisation where physical orderin
Design Documentation The Design Document shall be an extension of Requirements Analysis Design. "The Design Document will comprise a revised and much more detailed descrip
Explain in details about the f unctions of DBA ?
One-to-many : An entity in A is related with any number of entities in B. An entity in B is related with at the most one entity in A. Example: Relationship between faculty and d
Data Replication "If a relation R has its copies kept at two or more sites, then it is considered replicated". But why do we replicate a relation? There are several advan
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