This is a discussion on the basic concepts of Entity Relationship Diagram. This is only the First part. SECOND PART: ERD OPTIONALITY
https://youtu.be/Auq4k1CqXPI
For the previews topics discussed, you can check them here:
PART(TOPIC) 1: SOFTWARE REQUIREMENT
https://youtu.be/9vEhhtvoQoE
PART(TOPIC 2): SYSTEM REQUIREMENT ANALYSIS
https://youtu.be/a3LAG9TgKMM
PART 3: ERD OPTIONALITY(second part)
https://youtu.be/Auq4k1CqXPI
