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Formateurs & Code

Diagramme ER → SQL

Text DSL → DDL with foreign keys and indexes.

Runs in your browser
ER DSL (table on its own line, columns indented; use 'pk', 'unique', 'not null', '-> table.col') · source
lines: 12chars: 115size: 115 B
SQL DDL · result
lines: 14chars: 304size: 304 B
live

Note de la rédaction

Understanding · From boxes-and-lines to CREATE TABLE.

Ce chapitre approfondi n'est actuellement disponible qu'en anglais. L'outil de conversion ci-dessus fonctionne dans votre langue ; le long article explicatif n'a pas encore été traduit.

Questions fréquentes

Quick answers.

What SQL dialects are supported?

The generator produces standard ANSI SQL compatible with PostgreSQL, MySQL, and SQLite. You can adjust specific data types in the text editor before exporting.

How does it handle relationships?

The DSL identifies shared keys to automatically generate `FOREIGN KEY` constraints and appropriate join table structures for many-to-many relationships.

Is my database schema saved anywhere?

No. All parsing and SQL generation occurs locally within your browser session. Your architectural designs are never transmitted to a server.

Can I define indexes in the DSL?

Yes. You can flag specific columns as unique or indexed within the text definition, and the tool will generate the corresponding `CREATE INDEX` statements.

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