CS3492 – Database Management Systems (DBMS)

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Important questions
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UNIT -1

1. Data Models full topic**

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2. SQL full topic(static and dynamic)** programs also may be asked in PArt c and 11)b)

UNIT-2

1.ER diagrams

2.All Normal Forms full topic **

UNIT-3

1.Concurrency and Recovery.

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2.Deadlock,Transaction Recovery
3.Serializability** full topic

UNIT-4

1. RAID**

2.B+ tree Index Files,B tree Index Files **

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Rare

4. Static Hashing,Dynamic Hashing
Unit -5
1.ODL, OQL ,XML full topics progrm may be asked to

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2. IR Concepts, Retrieval Models,Queries**

**Very important questions are bolded and may be asked based on this topic

PART-C

1.Compulsory Questions {a case study where the student will have to read and analyse the subject }

mostly asked from unit (OR) a Problem given

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Contact uS *These questions are expected for the exams This may or may not be asked for exams
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SYllabuS

UNIT I RELATIONAL DATABASES

Purpose of Database System — Views of data — Data Models — Database System Architecture — Introduction to relational databases — Relational Model — Keys — Relational Algebra — SQL fundamentals — Advanced SQL features — Embedded SQL– Dynamic SQL

UNIT II DATABASE DESIGN

Entity-Relationship model — E-R Diagrams — Enhanced-ER Model — ER-to-Relational Mapping — Functional Dependencies — Non-loss Decomposition — First, Second, Third Normal Forms, Dependency Preservation — Boyce/Codd Normal Form — Multi-valued Dependencies and Fourth Normal Form — Join Dependencies and Fifth Normal Form

UNIT III TRANSACTIONS

Transaction Concepts — ACID Properties — Schedules — Serializability — Concurrency Control — Need for Concurrency — Locking Protocols — Two Phase Locking — Deadlock — Transaction Recovery — Save Points — Isolation Levels — SQL Facilities for Concurrency and Recovery.

UNIT IV IMPLEMENTATION TECHNIQUES

RAID — File Organization — Organization of Records in Files — Indexing and Hashing –Ordered Indices — B+ tree Index Files — B tree Index Files — Static Hashing — Dynamic Hashing — Query Processing Overview — Algorithms for SELECT and JOIN operations — Query optimization using Heuristics and Cost Estimation.

UNIT V ADVANCED TOPICS

Distributed Databases: Architecture, Data Storage, Transaction Processing — Object-based Databases: Object Database Concepts, Object-Relational features, ODMG Object Model, ODL, OQL — XML Databases: XML Hierarchical Model, DTD, XML Schema, XQuery — Information Retrieval: IR Concepts, Retrieval Models, Queries in IR systems.

CS3492 – Database Management Systems (DBMS)