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Question 1 Discuss about second normal form and third normal form
Question 2 Write short note on 1) Data Manipulation Language 2) Data Definition Language
Question 3 Define the following terms 2) Entity 2) Keys
Question 4 Write down the characteristics of different types of storage devices. List (Cache, Main memory, Flash memory, Magnetic-disk storage, Optical storage, Tape storage)
Question 5 Differentiate between 1) Relational Data Model 2) Hierarchical Model
Question 6 What is Normalization? Explain different types of normal form
Define reference file
i need to submit in this topic.
Let us now talk about the relational operations: SELECT The select operation is used to select few specific record from the database based on different criteria, This is a un
You must implement the entity relationship model provided in the model solution to Assignment 1. The model solution will be released on the course website approximately TWO (2) we
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 are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
Define the notation for classes and atrributes The notation for class, attribute, and operations are shown below: Figure: Class with attributes and operations A
What does conceptual design work? A conceptual design involves modelling independent of the DBMS.
Related fields in a database are grouped in which form? Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
Can a domain, assigned to a data element be changed? Yes. We can do so by just overwriting the entry in the field domain.
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