![]() to avoid duplication of the data in a database. #4) Moving towards Normalization Process: After completion of the logical design, the normalization process is followed to remove the redundancy from the database i.e. This simply means that the concept of primary keys and foreign keys comes into the picture as a part of this phase. #3) Initiating Logical Design: Here, designing of relational schemas takes place. Entity-Relationship Diagram or UML Class Diagram. ![]() #2) Initiating Conceptual Design: After the requirements are collected, a creation of conceptual schema for the database takes place, the result of which is an ERD i.e. The requirements can be data related as well as functional requirements. ![]() #1) Collecting Requirements and their analysis: In this phase, the requirements are collected and their analysis is done. Database designing is performed in connection with the application design.
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