Download databases – practice

DATABASES – PRACTICE
Unit – I
Introduction : Definition of DBMS – Applications of Database System – Database
System Versus File Systems – View of Data – Data Models – DBA and Database Users –
Database System Structure.
Unit- II
Entity-Relationship Model : Basic Concepts – Constraints – Keys – Entity -Relationship
Diagram – Weak Entity Sets – Design of an E-R Database Schema – Reduction of an E-R
Schema to tables.
Relational Model : Structure of Relational Databases- Relational Algebra – Extended
Relational-Algebra operations – Modification of the Database – Views
Unit- III
Relational-Database Design: First Normal Form – Pitfalls in Relational-Database design
Functional Dependencies – Decomposition – Boyee-Codd Normal Form(BCNF) – Third
Normal Form – Fourth Normal Form
Unit – IV
SQL : Introduction – Types of SQL statements – SQL * Plus: Create, Describe, Insert,
Select, Where, Order by – Number Data Type – Character Data Type – Date Data Type –
Update, Delete and Alter, view, join two tables.
Unit – V
PL/SQL: Definition – Character Set – Variables – Reserved Words –PL/SQL
components ( Block structures, Declare Section, control structures, Exceptions) – Cursors
(Explicit, Implicit) – Triggers - PL/SQL Tables – Built-in Packages.
Text Books:
1. “ Database System Concepts” – Silberschatz.Korth.Sudarshan , McGrawHill
International Edition, 4th Edi, 2002.
2. “ORACLE 8i A Beginner’s Guide” – Michael Abbey, Michael J.Corey, IAN
Abramson, Oracle Press, Tata McGrawHill International Edition, 2000.