Luna ModelerEnterprise Database Design Tool for Oracle

Oracle Databases For databases running locally & in the cloud
Synchronization features Update a data model or generate diff SQL scripts
For Everything You Need Data modeling, reverse & forward engineering, SQL scripts + reports
Excellent ROI Pay once, use forever

ER Diagram for Oracle Database in Luna Modeler

Is there a database design tool for Oracle that stays on our servers?

Yes. Luna Modeler runs on your computer. No cloud. No subscriptions. You get professional data modeling, ER diagrams, SQL generation, comparison, synchronization and documentation. Everything stays local. Used by organizations in 85+ countries who need complete control over their database designs.

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Who is Luna Modeler for?

Luna Modeler is ideal for solo consultants as well as database teams at larger organizations. DBAs. Architects. Operations teams. Anyone who manages Oracle schemas and needs to track changes, document databases, and deploy across multiple environments. Companies that don’t want data going to the cloud.

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What Luna Modeler Does
for Oracle Professionals

Database diagram for Oracle, schema diagram made with Luna Modeler

Design Your Oracle Schemas
The Right Way

Most diagram tools are basic. Luna Modeler handles Oracle properly. You can design synonyms, types, packages constraints and all the Oracle features you actually use.

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Nothing Goes to the Cloud

Luna Modeler stays on your computer. No internet required. No cloud accounts. No third parties see your schemas. This matters for banks, hospitals, and government agencies.

You can design new database structures without touching production. Your team plans changes safely. Nothing’s stored online. Everything stays on your machines, under your control.

Quick start guide for Oracle

A screenshot of Luna Modeler showing table details in ER diagram made for Oracle Database

A data model for Oracle Database made in Luna Modeler. The image shows an ER diagram with tables, relationships, views and other graphics.

Document Your Databases Easily

Luna Modeler makes documentation. It creates nice HTML reports or PDFs. Your auditors get what they want. Your team gets current documentation.

You can also export data model information to a custom format, for example, CSV files.

That’s useful for compliance reviews and for just understanding what you have.

Generate SQL When You’re Ready

Once your design is done, Luna Modeler creates the SQL. You get working scripts, ready to run. Full support for packages, functions, constraints – everything Oracle needs.

You control how SQL gets generated. Pick which objects to include using sub-diagrams. Add custom SQL blocks.

SQL Script generated for Oracle Database

See What You Already Have

Connect Luna Modeler to your Oracle database. It pulls in your schema and shows it as a diagram. Useful for understanding old systems. Good for planning changes.

The Professional version uses Cloud Wallet for security. SSH connections too. Works with Oracle cloud, on-premise, or both.

Read about visualization of existing databases

Keep Your Databases in Sync

Your dev, test, and production databases drift apart. Luna Modeler compares them. Shows you what’s different. Then you decide: fix the database, fix the design, or create a migration script.

You get a report of all changes. Good for audits. Good for tracking what happened when.

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Luna Modeler

Luna Modeler is available for Windows, Linux and MacOS.
Trial version expires 14 days after installation.

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Frequently Asked Questions on Database Design for Oracle Databases

I would love to know which modern data modeling tool for Oracle Database is out there.

There are various tools available on the market, ranging from very expensive to free tools. If you are looking for a modern tool that you can easily install on Windows, but also macOS or Linux, we recommend Luna Modeler, which offers a number of features specific to Oracle Database design, SQL script generation and synchronization.

Can I visualize an existing Oracle Database?

Yes. Luna Modeler can connect to an existing Oracle database and generate ER diagrams based on your schema. You can then add notes to the diagram, change the structure, and synchronize the data model with the database.

Can the tool securely connect to databases?

Yes. SSH, Cloud Wallet and Custom connections are supported in Luna Modeler professional edition.

Can I generate SQL scripts for Oracle from ER diagrams?

Yes. You can generate SQL scripts from data models created in Luna Modeler, including custom SQL blocks.

Does Luna Modeler support Oracle-specific features?

Absolutely. In Luna Modeler, you can work with basic database objects such as tables, relationships, as well as types, packages, sequences, triggers, synonyms, and other Oracle-specific database objects.

How does the tool handle synchronization between model and database?

In Luna Modeler, you can compare the model with the database and then generate an HTML report, update the model or generate SQL scripts for the differences.

Does Luna Modeler store information in the cloud?

Everything you create stays with you. Luna Modeler does not store database connections or projects online. Your data is yours and everything is completely under your control.