Contents Overview of the project Introduction of the project Database initial study Designing of the database Business rules Entity relationship modeling E-r diagram & normalization Logical schema Logical design SQl commands
Overview Company:- apple inc. Established:- 1st april,1976 Incorporated:- 3rd january,1977 Products:- electronic products, hardware, software. Module:- human resource(HR).
Introduction Human resource:- employees, selection process, recruitment, training etc. Initial study of the database:- analyze the company situation, objectives, boundaries, constraints etc. Conceptual design:- data analysis and requirements, data sources, business rules, entity relationship modeling.
Database initial study Analyze the company situation Operating environment Organizational structure Problems and constraints Objectives Scopes and boundaries
Database designing Data analysis and requirements:- It includes the analyses of the data and the reason behind the requirement of the particular data. Data sources:-which source is used in collecting the data? Or how the data has been collected? Business rules:- These are some kind of constraints which is being implemented in the businesses.
E-R modeling Entity relationship modeling includes the practical implementation of the database. it includes many things like the entities, attributes, relationships, cardinality and normalization etc. The four ways for defining the entities are as listed below:-