Unit 1

Topics

• Basic Concepts of Data and Information →
• Overview of Information Systems →
• File organization and access methods →
• Introduction to DBMS →
• Difference between DBMS and traditional file storage system →
• Characteristics of DBMS →
• DBMS architecture →
• Components of DBMS →
• Data Independence →
• Study of Entity Relationship Model →
• Type of attributes →
• Entity types →
• Relationship and Cardinalities →
• Data Models →
• Schemas and Instances →
• Participation →
• Roles and constraints →