README.md

Database Schema for Online Music Player

This is my first ever database schema design using MySQL for an online music player.

1. User Interactions

• User Follows User

  • Participation: Partial - Partial
  • Cardinality: Many-to-Many (M:N)

• User Follows Artist

  • Participation: Partial - Partial
  • Cardinality: Many-to-Many (M:N)

• User Likes Songs

  • Participation: Partial - Partial
  • Cardinality: Many-to-Many (M:N)

• User Likes Albums

  • Participation: Partial - Partial
  • Cardinality: Many-to-Many (M:N)

• User Likes Other Playlists

  • Participation: Partial - Partial
  • Cardinality: Many-to-Many (M:N)

• User Creates Playlist of Songs

  • Participation: Partial - Full
  • Cardinality: Many-to-One (N:1)

2. Artist Relationships

• Artist Has Songs

  • Participation: Full - Full
  • Cardinality: One-to-Many (1:N)
  • Note: Songs can be singles or part of albums

• Artist Has Albums

  • Participation: Partial - Full
  • Cardinality: One-to-Many (1:N)

3. Album Relationships

• Album Has Songs
  • Participation: Full - Partial
  • Cardinality: One-to-Many (1:N)

ER Diagram