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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 La
Objectives Define the terms RECOVERY and INTEGRITY; Define Recovery Techniques; Explain Error and Error detection techniques, and Define types of Authorisation.
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
Explain the conventions (relationships) for displaying an ER schema as an ER diagram.
Define Single Value and Multivalued attribute Single value attribute comprise a single atomic value for an entity and multivalued attribute may have much more than one value f
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
why are older data models are being replaced by new data models
Write a query that display ename annual salary and comm from emp table
Process to find the non-concurrent objects Once we find out non-concurrent (mutually exclusive) objects, we can fold all objects together in one thread of process or control. O
Write short notes on Schema diagram. A database schema along with primary key and foreign key dependencies can be depicted pictorially by schema diagram. Every relation appears
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