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Luna Modeler offers the same core workflow — visual ERDs, forward and reverse engineering, ALTER scripts — on Windows, macOS, and Linux. Luna Modeler vs Vertabelo Vertabelo stores your schemas in the cloud and requires a subscription. Luna Modeler is a desktop alternative — offline-first, perpetual license, your data stays on your machine. 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. How to List Databases and Show Collections in MongoDB Learn how to show collections in MongoDB using show collections, db.getCollectionNames() or db.getCollectionInfos() — plus a visual approach with Moon Modeler. Top 5 Data Modeling Software Products to Know in 2026 Explore the top 5 data modeling software options that empower software development, database design, analytics, and business processes. 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. Easy Steps to Connect to Supabase and Visualize Your Database with Luna Modeler Learn how to seamlessly connect to Supabase and visualize your database using Luna Modeler. Simplify your data workflow with our easy guide! Top 6 GUI Tools for SQLite in 2026 Explore the best tools for SQLite to generate and execute SQL scripts effortlessly. Create and manage your databases with ease! 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. 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Pick one of the 5 top GUI tools for PostgreSQL and manage your databases easily. 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. 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. 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. Projects & Data models Create and manage data modeling projects in Luna Modeler. Start from scratch, reverse-engineer a database or import an existing schema. 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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. How to Generate Delta Scripts for Database Changes Discover how to generate delta scripts for database changes with our easy-to-follow guide. Enhance your database management skills today! 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 Compare SQL Database Schemas Discover how to effectively compare SQL database schemas using Luna Modeler. Our guide offers step-by-step instructions. How to Easily Set Up Postgres with Docker and Work with Your Database - Using Visual Tools Only Learn how to set up Postgres in Docker Desktop, connect it to Luna Modeler for visual schema design, and manage your database using pgAdmin. How to Quickly Set Up MySQL with Docker Desktop and Manage Your Database Structures Learn how to set up MySQL in Docker Desktop, create a data model in Luna Modeler and run generated SQL scripts using VS Code. 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Step-by-Step Guide: Creating an ER Diagram from Azure SQL Server Database Structure Creating ER diagrams is very easy in Luna Modeler. Learn how to create a connection to an Azure SQL Server database and how to create ERD. How to List Databases and Tables in PostgreSQL Learn how to list databases and show tables in PostgreSQL. Use a command-line tool or create an ER diagram in Luna Modeler. 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. 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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. 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. 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. Heroku Postgres and ER diagrams Learn how to connect to Heroku Postgres and how to create ER diagrams easily. Try Luna Modeler - database modeling tool. MongoDB schema design MongoDB schema design in Moon Modeler, a tool for creation, visualization and code generation for MongoDB schema designs. 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. SQL Server database design Luna Modeler for SQL Server database design. See how to visually create ER diagrams for SQL Server and generate SQL scripts. Updating SQL Server projects Read how to create a new database connection and update your existing SQL Server ER Diagram created in Luna Modeler - a database design tool. How to generate SQL script for SQL Server Read how to easily generate SQL script for SQL Server in Luna Modeler. Draw ERD and generate scripts for your SQL Server database designs. SQL Server indexes How to create indexes in Luna Modeler - data modeling tool for SQL Server and other relational databases like PostgreSQL, MySQL, MariaDB etc. Advanced Copy and Paste in Luna Modeler See how to copy and paste one or more tables or individual columns in your ERD. Find out how to work with dependencies in Luna Modeler. Using Enum in Mongoose Learn how to define Mongoose Enum in a project created with Moon Modeler - data modeling tool for MongoDB and Mongoose. Enum in MongoDB Learn how to define Enum in a MongoDB project created with Moon Modeler - data modeling tool for MongoDB and Mongoose. Validation in MongoDB Learn how to set validation criteria for MongoDB project created with Moon Modeler - data modeling tool for MongoDB and Mongoose. PostgreSQL Indexes How to create PostgreSQL indexes in Luna Modeler - data modeling tool for PostgreSQL and other relational and databases. Relationships in ER diagrams for PostgreSQL Learn how to define relationships in ER diagrams for PostgreSQL and find out how to use Luna modeler - a database modeling for PostgreSQL Composite types & PostgreSQL ER Diagram Learn how to define composite types for PostgreSQL in Luna Modeler - ER diagram tool for PostgreSQL and other databases. Other database objects in PostgreSQL Learn how to define other database objects like functions, triggers, views and other PostgreSQL-specific objects in Luna Modeler. Datatype aliases How to define data type aliases for your projects in Luna Modeler. Add new data types as needed and generate SQL scripts. Logical data model Learn how to use Luna Modeler for logical data model. See how to visually create ER diagrams and convert them to selected target platform. Deprecation Warning: Setting the TLS ServerName to an IP address is not permitted by RFC 6066 See how to solve the setting the TLS ServerName to an IP address is not permitted warning, modify the hosts file & make ERD from SQL Server. Customizations and Custom Properties Our data modeling tools are customizable. Add your own custom properties and turn the tool into RAD - rapid application development tool. Updating MariaDB projects Read how to create a new database connection and update your existing MariaDB ER Diagram created in Luna Modeler - a database design tool. Updating MySQL projects Read how to create a new database connection and update your existing MySQL ER Diagram created in Luna Modeler - a database design tool. Visualization of existing Oracle Databases Connect to your Oracle Database, visualize the database structure and create ER diagrams automatically in Luna Modeler. Generating SQL Scripts for Oracle Database Read how to easily generate SQL script for Oracle Database. Draw ERD and generate SQL for Oracle Database using Luna Modeler. Indexes in Oracle Database How to create indexes in Luna Modeler - a data modeling tool for Oracle Database and other relational databases. Relationships in ER diagrams for Oracle Database Learn how to define relationships in ER diagrams for Oracle Database and find out how to use Luna modeler - a database modeling for Oracle ER diagram - Graphics in projects for Oracle Database Use Luna Modeler and visualize Oracle tables, procedures, view, synonyms and other objects in ER diagrams for Oracle. Updating projects for Oracle Database Read how to create a new database connection and update your existing ER Diagram for Oracle Database created in Luna Modeler. Oracle Synonyms How to define synonyms in projects for Oracle Database. Learn how to define and visualize synonyms in ER diagrams in Luna Modeler. 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Visually sketch entities and relationships before committing to a physical schema. Database Modeling for SQL Server Learn how database modeling for SQL Server database can help you manage data more effectively. Try Luna Modeler - a database modeling tool. Benefits of Data Modeling for Multiple Database Systems Learn the benefits of using multiple database systems for an e-commerce project and designing the structure in a data modeling tool. Top 5 Benefits of Database Modeling Tools Learn the top 5 benefits of database modeling tools and find out how Luna Modeler can increase your productivity and save you money. What is Entity Relationship Diagram (ERD)? Entity relationship diagram describes the database structure. Basic elements are entities, attributes and relationships. Read more. Crow's foot notation in ER diagram Use crow's foot notation to represent relationships between entities in an entity-relational diagram. Draw ER diagrams in Luna Modeler. How to Add an Identity Column to SQL Server Database Design Learn how to add an Identity column to your SQL Server database design in Luna Modeler database design tool. How to Convert a Database Schema Learn how to convert a database schema from one database to another. Find out how to run the conversion successfully in Luna Modeler. What is a Database Entity Learn what database entity is and how to design database entities with attributes and relationships in modeling tools. How to Create a Database Diagram? Learn how to easily create a database diagram using modeling tools. Explore benefits of database diagrams and find out best practices.
