Subject Details
Dept     : IT
Sem      : 4
Regul    : 2023
Faculty : Ms.A.Aruna
phone  : NIL
E-mail  : aruna.a.it@snsct.org
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Lecture Notes

UNIT 1:
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Introduction to DBMS
pdf
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Purpose of Database System
pdf
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Views of data and Data models
pdf
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Database Management system - Three-schema architecture of DBMS
pdf
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Components of DBMS
pdf
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Conceptual data modeling - motivation,
pdf
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Entities, entity types, attributes
pdf
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Relationships, relationship types
pdf
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E R diagram notations, Examples
pdf
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Entity –Relationship Model
UNIT 2:
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Relational Data Model - keys, referential integrity and foreign keys
pdf
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Relational Algebra
pdf
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SQL fundamentals- Introduction