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DBMS

DBMS 

UNIT-I 

Introduction to databases-Database and its Hierarchies, History of Databases, Types of DBMS,  Data 
Environment  –Database  and  DBMS  software,  Database  Architecture,  Three  layered Architectural /O
Functions, Characteristics of database approach.  Relational  Model  –  Logic  Data  models,  Relational 
Data  Model,  Querying  Relational  Data Model, Relational Algebra, and Relational Calculus.


UNIT – II 

 SQL  –  SQL  Language,  SQL  Database  object,  SQL  Data  Types,  DDL,  DML,  and  DCL commands,  
Deleting  data,  Retrieving  Data,  Insertion  of  Data,  Updating  Data  ,  Integrity constraint ,Keys, Creating
and altering tables ,Views, Sequence, Index.


UNIT – III 

a

) E-R  Modeling,  Normalization-Database  Design,  Entity  ,Attributes,  and  Entity  sets, Relationship 
and  Relation  sets,  ER  Diagram,  Features  of  ER  Diagram,  Conceptual Database  Design  with  ER
model,  Anomalies  in  Database,  Redundancy,  Inconsistency, Update Anomalies, Good Database
Designing.
b) Database  Security  –  Access  Control  ,  Discretionary  Access  Control,  Mandatory  Access Control, 
Additional  Issues  to  Security.  File  Organization  –  Sequential  ,Direct  ,Index Sequential Files
Hashing , B-Trees.


UNIT – IV 

Data
Multidimensional    Data  Mode  ,  Data  Cubes,  Schemas  for  Multidimensional  Database-  Star, snowflakes, 
and  fact  constellation,  Data warehouse  process  &  architecture,  OLTP  vs  OLAP, ROLAP vs MOLAP,
types of OLAP, 3-tier Data warehouse architecture, Distributed and Virtual Data warehouses, Data
warehouse manager, Data warehouse implementation. Data  mining-  Definition  &  Task,  KDD  vs  Data
mining,  Data  mining  techniques-Association rules,  Clustering  techniques,  Decision  tree,  Data  mining 
tools  and  applications,  Data  mining query languages

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