Data Privacy & Security Datensen tools are desktop-native and offline-first. Your project files, schemas, and database connections never leave your machine. No cloud storage, no telemetry, no vendor access. Why Luna Modeler Why Luna Modeler? Discover the deliberate choices behind Luna Modeler — desktop-native, perpetual license, offline-first, and platform-specific SQL — and why they matter for serious database work. Why Moon Modeler Why Moon Modeler? Discover the deliberate choices behind Moon Modeler — desktop-native, perpetual license, offline-first, MongoDB-specific code generation — and why they matter for serious NoSQL work. Assets for Better Data Modeling with Luna Modeler Explore assets for better data modeling with Luna Modeler. Design databases visually while adding context and flow. PostgreSQL Check Constraints Find out how to implement check constraints in PostgreSQL to ensure data quality and enhance your database design. SQL Server Check Constraints Learn how to use check constraints in SQL Server to ensure data integrity and prevent invalid entries in your database. PostGIS Core Support Unlock powerful mapping features with PostGIS Core Support in Luna Modeler and enhance your diagrams with specific data types. Visualization of existing SQL Server databases Connect to your SQL Server and reverse engineer your existing database structures. Visualize databases and create ER diagrams. Free Flowchart & Data Flow Diagram Tool? Simplify your workflow with Merit Modeler, the user-friendly desktop tool for free data flow diagrams and flowcharts. Free ER diagram tool? Free ER diagram tool for Sequelize - ORM for PostgreSQL, MariaDB, SQLite and SQL Server. Create smaller projects with the free version. Oracle Database Design Luna Modeler for Oracle database design. See how to visually create ER diagrams for Oracle Database and generate SQL Scripts. Oracle Database Packages Learn how to define Packages in projects for Oracle Database. See how to define and visualize packages in ER diagrams in Luna Modeler. Other objects in Oracle Database Learn how to define other objects like functions, triggers, synonyms, types and other Oracle-specific objects in Luna Modeler. Oracle Database Sequences Learn how to define Sequences in projects for Oracle Database. See how to define and visualize sequences in ER diagrams in Luna Modeler. Themes in Luna Modeler Learn about the various themes in Luna Modeler and how they can instantly improve the look of your diagrams and user interface. Database Schema Assignment Explore the features of Schema Assignment in Luna Modeler. Assign, remove, or replace schemas effortlessly for your objects. Custom Templates & Scripts All Datensen products support custom templates for generating SQL scripts, HTML, CSV and JavaScript outputs. Learn how to create snippets etc. Setting Default Values for Columns in SQL Server Learn how to set default values for columns to your SQL Server database design. Explore Luna Modeler database design tool. Subject Areas in Moon Modeler Explore subject areas in Moon Modeler to enhance your data modeling with advanced features and visualizations. Auto Layout in Moon Modeler Learn how the auto-layout function in Moon Modeler automatically arranges MongoDB diagram items for better readability and structure. Datatype aliases in Moon Modeler Explore how a data type alias enhances your diagrams in Moon Modeler. Reduce changes to one location for better efficiency. HTML Reports & Generating documentation for noSQL Discover the process of generating documentation for noSQL databases. Create detailed HTML reports with ease using Moon Modeler. Updating projects and ER diagrams In Luna Modeler 5 you can compare your project with your database, review differences and easily update your project and ER diagram. Themes in Moon Modeler Uncover the benefits of using themes in Moon Modeler, including instant changes to your diagrams and user interface settings. Sub-diagrams in Moon Modeler Learn how to use sub-diagrams in Moon Modeler for better organization in your projects, focusing on specific parts of your data model. ER diagrams & sub-diagrams Draw ER diagram on one diagram or create multiple sub-diagrams for specific parts of your database design. Secure database connections - SSH/SSL/TLS Read how to create a new secure database connection, load the database structure and create an ER diagram from noSQL databases. Moon Modeler User Interface Moon Modeler - a data modeling tool for noSQL databases. Find out the basics and see various elements of the user interface. Moon Modeler - Visual Schema Design Tool for noSQL Databases Visual database modeling for MongoDB, Mongoose ODM, DocumentDB and Cosmos DB. Design, generate, and document NoSQL schemas with ease. Forward engineering & SQL scripts Generate SQL CREATE scripts from your ER diagram in Luna Modeler. Supports PostgreSQL, MySQL, Oracle, SQL Server, MariaDB & SQLite. Database Schema Conversion in Luna Modeler Learn about database schema conversion. Find out how Luna Modeler can help you with the conversion from one database platform to another. Interactive HTML reports Generate interactive HTML reports from your ER diagrams in Luna Modeler. Share database documentation with your team without extra tools. Database Schema Comparison & HTML Reports Compare two database schema versions in Luna Modeler and generate a visual HTML diff report highlighting added, modified & removed objects. Referenced Objects Learn how to easily detect dependencies and how to add referenced objects to an ER diagram created in Luna Modeler - data modeling tool. Projects & Data models Create and manage data modeling projects in Luna Modeler. Start from scratch, reverse-engineer a database or import an existing schema. Projects & Data models Create a new database design or schema design from scratch, by reverse engineering existing databases or by importing metadata from files. Luna Modeler User Interface Dive into our guide on the Luna Modeler user interface and enhance your experience with practical insights on its core components. Luna Modeler - Database Design Tool for Relational Databases A data modeling tool that supports creation of ER diagrams for databases like Oracle, SQL Server, PostgreSQL, MariaDB and other RDBMS. Reverse engineering Connect to PostgreSQL, MySQL, Oracle or SQL Server and automatically generate ER diagrams from your live database. Luna Modeler — free trial. Subject Areas in data models Use subject areas in Luna Modeler to group related tables and organise complex ER diagrams into logical sections. Generating Schema Synchronization Scripts Learn how to compare a project created in Luna Modeler with an existing Oracle Database and how to generate schema synchronization scripts. Generating Schema Synchronization Scripts Learn how to compare a project created in Luna Modeler with an existing Oracle Database and how to generate schema synchronization scripts. Version Control & Explorer Track and manage different versions of your ER diagrams directly in Luna Modeler using the built-in Version Control Explorer. Layout - for an Easy Arrangement of Diagram Items Learn how the Layout function in Luna Modeler enables an easy arrangement of diagram items for better readability and structure. Dependencies in Data Models Discover how to create and manage dependencies in data models with Luna Modeler for comprehensive data visualization. Generating Alter Scripts for MySQL Learn how to compare MySQL schema and generate alter scripts for changes detected by Luna Modeler - a database design tool. Generating Synchronization SQL Scripts for MariaDB Learn how to compare MariaDB schema and generate synchronization SQL scripts for changes detected by Luna Modeler - a database design tool. How to Generate Synchronization Scripts in Luna Modeler Learn how to easily compare your project to existing database structures and how to generate synchronization scripts in Luna Modeler Database connections Set up connections to PostgreSQL, MySQL, Oracle & SQL Server in Luna Modeler. Load the database schema and generate ER diagrams automatically. Visualization of existing PostgreSQL databases Connect to a PostgreSQL database and reverse engineer your existing database structures. Visualize databases and create ER diagrams. Explorer for Organized Version Control Learn how to manage different versions of your data models directly in Luna Modeler. Themes - How to Make Nice Diagrams Learn how to create nice ER diagrams in Luna Modeler, how to change the theme and modify diagram settings. How to Generate Alter Scripts for Oracle Databases Learn how to compare a project created in Luna Modeler with an existing Oracle Database and how to generate SQL scripts for the differences. How to submit an error log? We test new versions of Moon Modeler both manually and with automatic tests. However, an error might occur. See how to submit an error log. Visualization of existing MongoDB databases How to create a connection, run MongoDB reverse engineering and visualize existing MongoDB structures in form of a ER diagram. Generating MongoDB Schema Validation Scripts Generation of MongoDB schema validation scripts. Draw diagrams in Moon Modeler and generate MongoDB schema validation scripts. Mongoose schema design Mongoose schema design in Moon Modeler - draw diagrams for Mongoose ODM and generate Mongoose schema creation scripts or generate reports. PostgreSQL database design Luna Modeler for PostgreSQL database design. See how to visually create ER diagrams for PostgreSQL and generate SQL Scripts PostgreSQL ER diagram - graphics Use Luna Modeler and visualize PostgreSQL tables, composite types and other objects in a PostgreSQL ER diagram. Enumerated type - Enum - PostgreSQL How to define enumerated types (enum) for PostgreSQL in Luna Modeler - ER diagram tool for PostgreSQL and other databases. Domains in PostgreSQL projects Read how to specify PostgreSQL domains in Luna Modeler, a database modeling tool for PostgreSQL and other databases. Generating SQL scripts for PostgreSQL Read how to easily generate SQL script for PostgreSQL in Luna Modeler. Draw ERD and generate SQL for PostgreSQL database designs. MariaDB database design Luna Modeler - a tool for MariaDB database design. See how to visually create database design for MariaDB and how to generate SQL scripts. Sequelize schema design Draw diagrams for Sequelize ORM. Use Meteor Modeler for visual schema design and generate code for Sequelize automatically. Meteor Modeler for Sequelize ORM Meteor Modeler is a visual ORM design tool for Sequelize. Draw diagrams, define models and generate Sequelize code automatically. Primary and foreign keys in MariaDB projects How to define primary keys, foreign keys and primary foreign keys in Luna Modeler, a tool for database design for MariaDB and other platforms MariaDB indexes How to create indexes in Luna Modeler - data modeling tool for MariaDB, PostgreSQL, SQL Server and other relational databases. MySQL database design Luna Modeler - a data modeling tool for MySQL database design. Learn how to draw ER diagrams and generate SQL scripts easily. Visualization of existing MariaDB databases Connect to a MariaDB database and reverse engineer your existing database structures. Visualize databases and create ER diagrams. Generating SQL script for MariaDB How to generate SQL scripts for MariaDB database design in Luna Modeler - a data modeling tool for MariaDB and other databases. Other database objects in MariaDB projects How to define other database objects like stored procedures, functions, triggers and other MariaDB specific objects in Luna Modeler Enum and Set in MariaDB projects Enum and Set datatypes defined for MariaDB in Luna Modeler - a data modeling tool for MariaDB, PostgreSQL and other databases. Relationships in ER diagrams for MariaDB Database modeling and relationships defined in Luna modeler - a tool for visual database modeling for MariaDB and other databases. Primary and foreign keys in MySQL projects How to define primary keys, foreign keys and primary foreign keys in Luna Modeler, a tool for database design for MySQL and other platforms Generating SQL script for MySQL How to generate SQL scripts for MySQL database design in Luna Modeler — a data modeling and ER diagram tool for MySQL and other databases. Visualization of existing MySQL databases Connect to MySQL and reverse engineer existing database structures. Visualize databases and create ER diagrams. SQLite database design Luna Modeler - a tool for SQLite database design. See how to visually create database design for SQLite and generate SQL script. Import & Visualization of existing SQLite databases Import SQLite files and reverse engineer existing database structures. Visualize databases and create ER diagrams for your SQLite structures. GraphQL Schema Design Learn how to create a GraphQL schema design in Galaxy Modeler. See how to draw a diagram and display GraphQL structures easily. Line modes in GraphQL schema diagram A schema design tool for GraphQL. Draw diagrams and generate scripts or easy to understand documentation using our data modeling tools. Script Generation for GraphQL Learn how to generate a GraphQL schema with Galaxy Modeler a data modeling and schema design tool for GraphQL. Script generation for Sequelize How to use Meteor Modeler for script generation for Sequelize. Automatically generate creation scripts from your Sequelize projects. Default values How to define default values for new objects in Moon Modeler - database modeling and reporting tool for various platforms. Custom data types How to define custom data types for your projects in Luna Modeler. Add new data types as needed and generate SQL or schema validation scripts Export ER diagram to PDF Read how to export ER diagram to PDF easily. Visualize your database structure and export it to PDF for high-quality printing. Compare Editions Compare Moon Modeler with other NoSQL data modeling tools. See how Moon Modeler stacks up for MongoDB schema design and documentation. MongoDB ER diagram & Graphics ER Diagram tool for visualization of MongoDB database structures. See collections, fields, documents and references in MongoDB ER diagrams. MongoDB indexes Learn how to create indexes in projects for MongoDB. Try Moon Modeler - data modeling and schema design tool for MongoDB and other databases. How to draw ER diagrams for MongoDB How to draw ER diagrams for MongoDB in Moon Modeler | Video | Learn how to easily draw diagrams for MongoDB schema design. How to visualize a MongoDB schema How to visualize a MongoDB schema in Moon Modeler | Video | Learn how to connect to your MongoDB database and create a diagram automatically. Importing a GraphQL schema from URL GraphQL schema visualization. Learn more about how to import a GraphQL schema from URL and how to automatically create a diagram. Importing a GraphQL schema from a file Learn how to import a GraphQL schema and create a diagram. Use our data modeling tool for visualization of GraphQL schemas. MongoDB schema design MongoDB schema design in Moon Modeler, a tool for creation, visualization and code generation for MongoDB schema designs. Compare Editions Compare key features of Luna Modeler - a data modeling and database reporting tool for various databases and platforms. Luna Modeler - Key features Check out the key features and benefits of Luna Modeler - database design tool - in a short introductory video. How to visualize existing PostgreSQL databases How to visualize existing PostgreSQL database structures using Luna Modeler | Video | Database design tool. Updating PostgreSQL projects Read how to create a new database connection and update your existing PostgreSQL ER Diagram created in Luna Modeler - a database design tool. Updating SQLite projects Read how update your existing SQLite entity relationship diagram created in Luna Modeler - a database modeling tool for relational databases. SSH or SSL/TLS database connections Connect to databases securely over SSH tunnels, SSL or TLS in Luna Modeler. Load schema structure and auto-generate ER diagrams. SSH or SSL/TLS database connections Read how to create a new secure database connection, load the database structure and create an ER diagram from relational and noSQL databases.
