Entities and Attributes of Multiplayer Online Games
Entities serve as the building blocks of our database, representing the fundamental objects or concepts that need to be stored and managed. Attributes define the characteristics or properties of each entity. Let’s explore each entity and attribute in detail:
1. Player: Represents a player in the game
- player_id (Primary Key): Unique identifier for each player.
- username: Username of the player.
- password: Password of the player (hashed for security).
- email: Email address of the player.
- registration_date: Date of player registration.
2. GameSession: Represents a session of the game.
- session_id (Primary Key): Unique identifier for each game session.
- session_name: Name of the game session.
- start_time: Start time of the game session.
- end_time: End time of the game session.
3. Leaderboard: Represents the leaderboard entries for players.
- leaderboard_id (Primary Key): Unique identifier for each leaderboard entry.
- player_id (Foreign Key referencing Player): Identifier of the player in the leaderboard.
- score: Score of the player in the leaderboard.
- rank: Rank of the player in the leaderboard.
4. Item: Represents an item in the game.
- item_id (Primary Key): Unique identifier for each item.
- item_name: Name of the item.
- description: Description of the item.
- type: Type of the item (e.g., weapon, armor).
5. Interaction: Represents an interaction between players.
- interaction_id (Primary Key): Unique identifier for each interaction.
- sender_id (Foreign Key referencing Player): Identifier of the sender of the interaction.
- receiver_id (Foreign Key referencing Player): Identifier of the receiver of the interaction.
- type: Type of the interaction (e.g., message, trade, battle).
- timestamp: Timestamp of the interaction.
How to Design a Database for Multiplayer Online Games
Designing a relational database for multiplayer online games is a important step in creating a scalable and efficient gaming platform. This article provides a comprehensive guide on how to design such a database, covering the project overview, key features, entity definitions, relationship definitions, entity–relationship diagram (ERD), SQL table structures, database model, and tips to improve database design.
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