![Custom properties](https://www.datensen.com/blog/wp-content/uploads/luna-modeler-customization-custom-properties-on-diagram.png)
Category: Docs
Read documentation for Luna Modeler for databases, Moon Modeler for noSQL and Galaxy Modeler schema design tool for GraphQL.
![Custom properties](https://www.datensen.com/blog/wp-content/uploads/luna-modeler-customization-custom-properties-on-diagram.png)
![Custom properties](https://www.datensen.com/blog/wp-content/uploads/luna-modeler-customization-custom-properties-on-diagram.png)
Customizations and Custom Properties
![Custom templates](https://www.datensen.com/blog/wp-content/uploads/handlebars-template.png)
Custom Templates & Scripts
![custom code in Moon Modeler](https://www.datensen.com/blog/wp-content/uploads/operators-mongodb.png)
Custom Schema Definition
![SQL server datetime with getdate() default value for timestamp](https://www.datensen.com/blog/wp-content/uploads/default-value-timestamp-sql-server.png)
Setting Default Values for Columns in SQL Server
![Identity column in SQL Server database design](https://www.datensen.com/blog/wp-content/uploads/identity-autoincrement-sql-server.png)
How to Add an Identity Column to SQL Server Database Design
![How to configure proxy in Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/2022/06/enable-proxy-moon-modeler.png)
How to solve problems with license activation
![](https://www.datensen.com/blog/wp-content/uploads/project-repair.png)
How to repair your project
![Logical Data Modeling Across Databases](https://www.datensen.com/blog/wp-content/uploads/logical-data-modeling-across-databases.jpg)
Logical Data Modeling Across Databases
![Database Schema Conversion](https://www.datensen.com/blog/wp-content/uploads/database-schema-conversion-toolbar.png)
Database Schema Conversion
![Logical data model](https://www.datensen.com/blog/wp-content/uploads/logical-data-model.jpg)
Logical data model
![ER Diagram with subject area](https://www.datensen.com/blog/wp-content/uploads/erd-diagram-subject-area.jpg)
Subject Areas in ER Diagrams & Schema Designs
![Database Schema Conversion](https://www.datensen.com/blog/wp-content/uploads/converted-database-schema.png)
Database Schema Conversion in Luna Modeler
![Datatype aliases in ERD](https://www.datensen.com/blog/wp-content/uploads/datatype-alias-erd-diagram.jpg)
Datatype aliases
![Code defined for other database object in ER diagram for PostgreSQL.](https://www.datensen.com/blog/wp-content/uploads/postgresql-function.png)
Other database objects in PostgreSQL
![PostgreSQL Composite Properties](https://www.datensen.com/blog/wp-content/uploads/postgresql-composite-properties.png)
Composite types & PostgreSQL ER Diagram
![Relationships in ERD for PostgreSQL](https://www.datensen.com/blog/wp-content/uploads/postgresql-relationships-new.webp)
Relationships in ER diagrams for PostgreSQL
![PostgreSQL indexes in an ER diagram](https://www.datensen.com/blog/wp-content/uploads/postgresql-indexes-er-diagram.webp)
PostgreSQL Indexes
![MongoDB validation](https://www.datensen.com/blog/wp-content/uploads/mongodb-validation.webp)
Validation in MongoDB
![MongoDB Enum](https://www.datensen.com/blog/wp-content/uploads/mongodb-enum.webp)
Enum in MongoDB
![any type in MongoDB project created in Moon Modeler](https://www.datensen.com/blog/wp-content/uploads/2021/10/any-type-mongodb.png)
Multiple Data Types in MongoDB Projects
![Copy format](https://www.datensen.com/blog/wp-content/uploads/2021/12/copy-format.png)
Copy and Apply Format
![Mongoose Enums in Moon Modeler](https://www.datensen.com/blog/wp-content/uploads/mongoose-enum-diagram.webp)
Using Enum in Mongoose
![Naming conventions for PostgreSQL](https://www.datensen.com/blog/wp-content/uploads/naming-conventions-settings.webp)
Naming Conventions for PostgreSQL
![Adding referenced object to an ER diagram in Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/add-referenced-side-panel.png)
Adding Referenced Objects to Sub-diagrams
![Galaxy Modeler - Advanced copy and paste](https://www.datensen.com/blog/wp-content/uploads/galaxy-pasted-properties.png)
Advanced Copy and Paste in Galaxy Modeler
![Moon Modeler - advanced copy](https://www.datensen.com/blog/wp-content/uploads/moon-modeler-advanced-copy.png)
Advanced Copy and Paste in Moon Modeler
![Luna Modeler - Advanced copy and paste](https://www.datensen.com/blog/wp-content/uploads/luna-modeler-copy-table.png)
Advanced Copy and Paste in Luna Modeler
![How to configure proxy in Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/2022/06/enable-proxy-moon-modeler.png)
How to configure a proxy in Luna Modeler
![Converted MongoDB diagram to Mongoose project](https://www.datensen.com/blog/wp-content/uploads/converted-mongodb-structure-to-mongoose.webp)
Conversion from MongoDB to Mongoose
![Projects created](https://www.datensen.com/blog/wp-content/uploads/projects-2.png)
Your projects & your data
![GraphQL diagram exported to PDF](https://www.datensen.com/blog/wp-content/uploads/2022/03/graphql-schema-pdf-report.png)
About Galaxy Modeler
![Postgres ERD and how to update diagrams](https://www.datensen.com/blog/wp-content/uploads/postgres-erd.jpg)
How to work with sub-diagrams in Luna Modeler – Professional Edition
![PostgreSQL ER Diagram made in Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/er-diagram-postgresql-luna-modeler.webp)
How to update ER diagrams in Luna Modeler
![SQL Server Indexes in ERD](https://www.datensen.com/blog/wp-content/uploads/sql-server-indexes-er-diagram.png)
SQL Server indexes
![ER diagram for SQL Server - SQL script generated by Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/sql-server-script-from-diagram.webp)
How to generate SQL script for SQL Server
![Project update in Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/update-project-link.png)
Updating SQL Server projects
![Loading SQL Server database structure | Luna Modeler data modeling tool](https://www.datensen.com/blog/wp-content/uploads/load-database-structure-sql-server.jpg)
Visualization of existing SQL Server databases
![SQL Server database design](https://www.datensen.com/blog/wp-content/uploads/sql-server-database-design.png)
SQL Server database design
![Update project in Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/update-form-details.png)
Updating projects and ER diagrams
![SSL and TLS settings](https://www.datensen.com/blog/wp-content/uploads/ssl-tls.png)
SSH or SSL/TLS database connections
![SQLite comparison](https://www.datensen.com/blog/wp-content/uploads/sqlite-comparison.png)
Updating SQLite projects
![How to update a database model for PostgreSQL](https://www.datensen.com/blog/wp-content/uploads/update-database-model-postgresql.jpg)
Updating PostgreSQL projects
![Postgres ER Diagram](https://www.datensen.com/blog/wp-content/uploads/postgresql-er-diagram.jpg)
How to visualize existing PostgreSQL databases
![Luna Modeler - data modeling tool and ERD creator](https://www.datensen.com/blog/wp-content/uploads/luna-modeler-data-modeling-tool-erd-creator.png)
Luna Modeler – Key features
![Luna Modeler editions](https://www.datensen.com/blog/wp-content/uploads/luna-modeler-editions-1.png)
Compare editions – Luna Modeler
![Luna Modeler](https://www.datensen.com/blog/wp-content/uploads/about-luna-modeler.png)
About Luna Modeler
![MongoDB Schema Design](https://www.datensen.com/blog/wp-content/uploads/mongodb-schema-design.jpg)
MongoDB schema design
![Import GraphQL schema from a file](https://www.datensen.com/blog/wp-content/uploads/import-graphql-schema-1.png)
Importing a GraphQL schema from a file
![Import GraphQL from URL to Galaxy Modeler](https://www.datensen.com/blog/wp-content/uploads/import-graphql-schema-from-url.png)