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Write short notes on relational model The relational model uses a collection of tables to show both data and the relationships between those data. The relational mo
What are the function of DBA?
a method named WonGame that checks each letter in the word is matched by its label
A relation has: Relational Schema Relation instance Relational Schema: A relational schema shows the relation's name, its attributes and the domain of every a
What is an E-R model? Draw an E-R Diagram for the company database with following Descriptions? The company is organized within departments. Each department has a unique name a
Determine the OBJECTIVES of object design After passing through this unit, you should be able to: describe and apply concept of generalisation; understand and appl
Read the description below and draw an Entity-Relationship diagram for it. You must use the symbols described in the course materials. This database will help the Parents Assocc
Design a gennalization and specialization hierarchy for an automobile sales company
1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
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