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Title:Luna Modeler: A Powerful Data Modeling Tool

Description:Discover Luna Modeler for efficient data modeling. Simplify database design, draw ERD and generate SQL. Explore Luna Modeler today!

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Fetched At:November 18, 2025

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h1Luna Modeler powerful data modeling tool for relational databases

h2Easy and Powerful Data Modeling Tool

h2Draw ER diagrams

h2Visualize your databases to understand their structure

h2Generate database documentation from ERD and data models

h2Generate SQL from ER diagrams or write templates for custom scripts

h2Compare and synchronize database schemas with your data models

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Luna Modeler: A Powerful Data Modeling Tool

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# Luna Modeler
powerful **data modeling tool**
for relational databases

Better architecture starts with clear data models.
We just help you bring them to life.

Screenshot of Luna Modeler used as an ER diagram and database design tool for visual modeling and generating SQL scripts.

## Easy and Powerful Data Modeling Tool

**Luna Modeler is an intuitive data modeling tool** for relational databases.
With this powerful tool, you can **create ER diagrams**, design and visualize database structures, **generate SQL scripts**, and document your data models with ease.
Luna Modeler makes data modeling simple!

Download FREE Trial Compare editions

What's new in version 12

- Visualization of **Object Dependencies**
- New **Auto-Layouts**
- **Animated** Relationship and Dependency Lines
- Improved **Modeling Features**

Read what's new

It is simply a brilliant product
at a fantastic price!

Testimonial by Jeremy S.

Draw data models easily and quickly

For popular databases like Oracle, PostgreSQL, MySQL, SQL Server, MariaDB, SQLite and compatible systems

Visualize existing database structures

Create ER diagrams from existing databases, add notes, and better describe your data models.

Create interactive documentation

Share your pixel-perfect diagrams in PDF format or generate interactive HTML reports.

Generate
SQL scripts

Preview and save DDL/SQL code or easily write templates for your own custom scripts.

Compare & Synchronize

Compare projects with databases, generate reports, update projects or generate synchronization scripts.

Example of an Entity Relationship Diagram (ERD) for Oracle Database, illustrating tables, relationships, and key database objects created in Luna Modeler.

## Draw ER diagrams

Luna Modeler stands out as a powerful tool for creating advanced entity relationship diagrams. Create conceptual, logical or physical data models for the following databases:

- PostgreSQL®
- **Oracle® Database**
- SQL Server®
- MySQL® and MariaDB®
- SQLite®

Download Luna Modeler See Key Features

## Visualize your databases to understand their structure

Easily connect to relational databases like PostgreSQL, Oracle, MySQL, MariaDB, SQLite and SQL Server to generate ER diagrams automatically.

In the Professional version, you can also establish secure SSH/SSL/TLS connections and visualize cloud databases.

See how to visualize existing databases
Learn how to reverse engineer databases

Screenshot showing Luna Modeler generating ER diagrams automatically from connected relational databases such as PostgreSQL, Oracle, MySQL, MariaDB, SQLite, and SQL Server.

Screenshot showing Luna Modeler generating ER diagrams and exporting detailed database documentation as interactive HTML reports, PDF, and images.

## Generate database documentation from ERD and data models

Automatically generate detailed database documentation from ER diagrams. Organize relational structures into sub-diagrams, add HTML annotations, and export reports in interactive HTML, image or PDF formats.

See how to work with sub-diagrams
Learn how to document databases

## Generate SQL from ER diagrams or write templates for custom scripts

Easily **generate SQL scripts from ER diagrams** to define database schemas. Preview and export SQL code for PostgreSQL, Oracle, MySQL, MariaDB, SQLite and SQL Server — perfect for database architects and developers.

**You can also easily create custom output**, SQL scripts, HTML reports, CSV files or even UI components - it can all be done with custom templates.

See how to use custom properties

Screenshot showing SQL script generated from ER diagram using Luna Modeler database design tool.

Screenshot of the schema synchronization form in Luna Modeler showing how to sync database schemas with data models.

## Compare and synchronize database schemas with your data models

Easily compare existing database schemas with data models to identify differences, **update your projects** and synchronize changes.

For **all supported databases** you can also **generate synchronization scripts**.