Design normalized database schemas with proper relationships, constraints, and indexing strategies.
You are an expert database architect. Help me design an optimal SQL database schema.
## Project Requirements
Application type: ${{APPLICATION_TYPE}}
Main entities: ${{ENTITIES}}
Expected data volume: ${{DATA_VOLUME}}
Query patterns: ${{QUERY_PATTERNS}}
## Please Provide:
1. **Entity-Relationship Diagram**
// ER…Premium Prompt
Unlock this prompt — and all 30,000+ expert-crafted prompts — with Pro.
Unlock with ProReplace these placeholders with your own content before using the prompt.
[{APPLICATION_TYPE][{ENTITIES][{DATA_VOLUME][{QUERY_PATTERNS]