Unit I Introduction to DBMS Introduction to Database Management Systems, Purpose of Database Systems, Database-System Applications, Data Abstraction and Database System Structure. Relational Model : Structure of relational databases, Domains, Relations, Relational algebra - fundamental operators and syntax, relational algebra queries, tuple relational calculus. Entity-Relationship model : Basic Concepts, Entity Set, Relationship Sets and Weak Entity Sets, Mapping Cardinalities, Keys, E-R diagrams, Design Issues, Extended E-R Features, Converting E-R & EER diagram into tables. (Chapter - 1) Unit II Relational Database Design Basic concepts, CODD's Rules, Relational Integrity : Domain, Referential Integrities, Enterprise Constraints, Database Design : Features of Good Relational Designs, Normalization, Atomic Domains and First Normal Form, Decomposition using Functional Dependencies, Algorithms for Decomposition, 2NF, 3NF, 4NF and BCNF. (Chapter - 2) Unit III Basics of SQL DDL, DML, DCL, Structure : Creation, Alteration, Defining constraints - Primary key, Foreign key, Unique key, Not null, Check, IN operator, Functions - Aggregate Functions, Built-in Functions - Numeric, Date, String Functions, Set operations, sub-queries, correlated subqueries, Use of group by, having, order by, join and its types, Exist, Any, All, view and its types. Transaction control commands : Commit, Rollback, Save-point PL/SQL Concepts : Cursors, Stored Procedures, Stored Function, Database Triggers. (Chapter - 3) Unit IV Database Transactions Management Basic concepts of a Transaction, Transaction Management, Properties of Transactions, Concept of Schedule, Serial Schedule, Serializability : Conflict and View, Cascaded Aborts, Recoverable and Non-recoverable Schedules, Concurrency Control : Need, Locking Methods, Deadlock handling and Time-stamp based Protocols. (Chapter - 4) Unit V Parallel Databases Unit VI Distributed Databases
