Which databases are supported?

This tool supports PostgreSQL, SQL Server, MySQL, and SQLite with database-specific optimizations and best practices for each.

SQL Schema Generator | Free Database Table Creator for MySQL

⚡ Instant Schema Generation

SQL Schema Generator

Design database tables visually and generate SQL instantly.

Choose your database and create optimized schemas. Free, fast, and production-ready.

🐘 PostgreSQL

Advanced Open Source

Custom Types & Domains
JSONB Columns
Array Types
Check Constraints
Inheritance Support
Index Management

Create PostgreSQL Schema

🏢 SQL Server

Enterprise T-SQL

Computed Columns
Identity (Auto-Increment)
Check Constraints
Default Values
Sparse Columns
Column Encryption

Create SQL Server Schema

🌐 MySQL

Web Application Ready

InnoDB Optimization
Auto-Increment Keys
Check Constraints
Generated Columns
Foreign Keys
Collation Options

Create MySQL Schema

Why Use SQL Schema Generator?

Designing database schemas from scratch is time-consuming and error-prone. Our SQL Schema Generator eliminates the guesswork by providing an intuitive interface to visually design tables, set constraints, and instantly generate production-ready DDL (Data Definition Language) statements. Whether you’re building a new application, optimizing an existing database, or learning SQL design patterns, this tool accelerates your development workflow.

Key Features

🎨 Visual Table Designer

Drag-and-drop interface to add columns, set types, and configure constraints without writing a single line of SQL.

⚙️ Database-Specific Optimization

Each generator is optimized for its database engine with native types, functions, and best practices.

🔒 Constraint Management

Define PRIMARY KEY, UNIQUE, NOT NULL, CHECK constraints, and foreign key relationships visually.

⚡ Real-Time Code Generation

See your CREATE TABLE statement update instantly as you design your schema.

📋 Index & Performance

Create indexes, set column properties, and optimize for query performance with guided recommendations.

💾 Export & Share

Copy to clipboard or download your schema as .sql file for execution in any database client.

Common Use Cases

Application Development: Rapidly prototype database schemas during application design phase. System Design: Visualize entity relationships and table structures for architectural planning. Database Migration: Design new schemas before migrating data from legacy systems. Learning & Training: Understand SQL syntax and best practices through visual schema design. Backup & Documentation: Generate DDL scripts for database documentation and recovery. Performance Optimization: Design efficient schemas with proper indexing from the start.

Database Comparison Guide

Choose the right database engine for your schema design needs:

Feature	PostgreSQL	SQL Server	MySQL
Data Types	Advanced (Custom types, Arrays)	Rich (Computed, Sparse columns)	Standard (InnoDB optimized)
Constraints	Full support including inheritance	Full support with expressions	Good support, some limitations
Indexing	Advanced (BRIN, GiST, GIN)	Enterprise (Filtered, Sparse)	Basic (B-tree, Hash, Fulltext)
Performance	Excellent for complex queries	Enterprise grade optimization	Fast for simple OLTP
Scalability	Excellent (Large datasets)	Enterprise scale	Good with optimization
Learning Curve	Moderate (Advanced features)	Steep (Complex syntax)	Gentle (Straightforward)

Frequently Asked Questions

What is a SQL schema?

A SQL schema is the structure of a database, including table definitions, column types, constraints, and relationships. This generator helps you create and visualize these structures.

Can I edit generated SQL after creation?

Yes! The generator produces standard SQL that you can edit in any text editor or database client. All generated statements follow SQL standards and are fully customizable.

Do you support foreign key relationships?

Yes. All three generators support defining foreign key constraints to create relationships between tables. The generator will create proper referential integrity statements.

Can I add indexes to my schema?

Yes. Each generator allows you to define indexes on columns for query optimization. The tool handles database-specific index types and syntax.

What about data types – which ones are supported?

All common data types are supported: INT, VARCHAR, TEXT, DATE, TIMESTAMP, DECIMAL, BOOLEAN, JSON, and database-specific types like PostgreSQL’s JSONB and MySQL’s ENUM.

Is the generated SQL production-ready?

Yes. The generated DDL statements follow best practices and are ready for execution in production databases. Always test in staging first as a best practice.

Can I import an existing schema?

Currently, you design schemas visually using the generator. However, you can paste existing CREATE TABLE statements into the SQL editor for reference.

Do you support views, stored procedures, or triggers?

The current version focuses on table creation (DDL). For advanced objects like stored procedures and triggers, you can manually write SQL after table creation.