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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
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
Define the Attribute Inheritance The attributes of a higher level entity set are inherited through a lower level entity set made by specialization-generalization hierarchy. Nam
For each 1: n relationship type R involving two entities E1 and E2, we recognize the entity type (say E1) at the n-side of the relationship type R and contain primary key of the en
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
Briefly describe the different kinds of users of a DBMS. Ans: Different sorts of DBMS users are: (a) Software Engineers: These are the people accountable for developing ap
Problem Explain at least five relational algebraic operators with a suitable example. Note: All the above descriptions should be done by taking at least two examples from ou
Hierarchical
Consider the relations EMPLOYEE(emp#, name) ASSIGNED_TO(project#, emp#) PROJECT(project#, project_name, chief) Express the subsequent queries in Relational Algebra (i) Ge
Define Hash files organization a. Hashing includes computing the address of a data item by calculating a function on the search key value. b. A hash function h is a functi
These are interactive interfaces, graphical that hide the difficulty of the DBMS and query language behind an intuitive, simple to understand, and convenient interface. This permit
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