SQL Generator
Generate example SQL queries from your table schema for PostgreSQL, MySQL, SQLite, BigQuery, and Snowflake.
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Turn schema ideas into starter SQL when you need tables and common queries without writing boilerplate by hand.
What to expectDefine your schema in text or visual mode, choose a dialect, and generate production-style SQL for common operations.
Good to knowThis accelerates scaffolding, but you should still review indexes, constraints, and naming before using it in production.
How it works
- Paste or sketch your database schema in Text Mode, or outline it in the Visual Builder.
- Select your SQL dialect and the query types and options you care about (WHERE, LIMIT/OFFSET, indexes, and more).
- Click Generate SQL to get example queries plus an explanation you can review, tweak, and copy into your codebase.
All generation runs client-side in your browser. Schema text and generated queries are not sent to any external service.
Click Generate SQL to see output.
Frequently Asked Questions
Does this SQL generator support PostgreSQL and MySQL?
Yes. You can select PostgreSQL, MySQL, SQLite, BigQuery, or Snowflake as the target dialect, and the generated SQL is tailored to that engine's syntax and common conventions. That makes it easy to move between databases without re-learning every nuance.
Can I generate INSERT statements from JSON data?
The generator is optimized for turning table schemas into example queries rather than ingesting raw JSON. You can, however, paste CREATE TABLE definitions and have the tool produce SELECT, INSERT, UPDATE, DELETE, and JOIN examples that match your schema structure.
Is the generated SQL ready to paste directly into production?
Queries are designed to be executable and idiomatic, but you should treat them as a starting point. Always review, adapt, and test generated SQL in staging before running it against production data or wiring it into migrations.
Can I mix multiple tables and JOINs in a single schema?
Yes. When your pasted schema defines multiple related tables, the generator can include JOIN and AGGREGATE examples that demonstrate querying across relationships. Use the query type toggles to control which categories of examples appear in the output.
Does this tool send my schema to any backend or AI service?
No. Schema parsing and query generation happen entirely in your browser using deterministic logic. Your DDL and generated SQL never leave your device, which makes it safe to experiment with real structures from private systems.
How to use this tool
Enter your table schema in Text Mode (CREATE TABLE …) or use the Visual Builder. Choose dialect and which query types to include, then click Generate SQL.