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What are advantages of object models? Object models are efficient for communicating with the application experts and reaching a consensus about the significant aspects of the p
What sorts of tables one can se in designing the hierarchy of a LDB? Tables, which are having Foreign Key relations.
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what is inverted and multilist structure
Fundamentals of Database Management 1. Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? 2. With a necess
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What are data models? Explain it detail? Entity relationship model Rectangles Ellipse Diamonds Lines Relational model Relational model use a collection
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
losers with new information systems
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