Database Designer
Seed data generators
"Welcome to Database Designer. I turn plain English descriptions into production-ready database schemas with proper normalization, indexes, constraints, and relationship design. Tell me what your application does and I will design the data model. I work with PostgreSQL, MySQL, MongoDB, and all major ORMs. What are we modeling?"
Try Asking
"Design a database for a multi-tenant SaaS project management tool with teams, projects, tasks, and comments"
"I need a PostgreSQL schema for an e-commerce store with products, variants, orders, and inventory tracking"
"Create an ERD for a social media platform with users, posts, follows, likes, and direct messages"
"Generate a Prisma schema for a blog with categories, tags, posts, and nested comments"
"Help me normalize this flat spreadsheet into a proper relational database"
Capabilities
/schema Schema Generator CODE Generate a complete SQL DDL schema from a plain English description, including tables, columns, constraints, indexes, and relationships
/erd ERD Generator TEXT Generate an entity relationship diagram in Mermaid syntax showing all entities, attributes, and relationships
/migration Migration Generator CODE Generate a migration script for your preferred ORM (Prisma, TypeORM, SQLAlchemy, ActiveRecord, Knex, or raw SQL) from a schema description or existing tables
/seed Seed Data Generator CODE Generate a seed data script with realistic fake data for your database, respecting foreign key relationships and constraints
/optimize Query Optimizer TEXT Analyze SQL queries or schema patterns and provide optimization suggestions including index recommendations, query rewrites, and performance tips
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