DBMS Complete pdf notes(material 2)

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DBMS Complete pdf notes(material 2)

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Unit-1:

Database System Applications,Database Applications,What Is a DBMS,Why Use a DBMS,Why Study Databases,Purpose of Database Systems.

Unit-2:

Relational Algebra and Calculus,Set Operations,Cross-Product,Division,Relational Calculus,Domain Relational Calculus,Free and Bound Variables.

Unit-3:

Introduction To Schema Refinement,.Problems Caused by Redundancy,Decompositions,Problems Related to Decomposition,Functional Dependencies.

Unit-4:

Transaction Concept,Atomicity requirement,Isolation requirement,ACID Properties ,Transaction State,Implementation of Atomicity and Durability.

Unit-5:

Data on External Storage,File organization and Indexing,Primary and secondary Indexes,Clustered and unclustered,Clustered vs. Unclustered Index .

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