# Databases

- [Object Relational Mapping (ORM)](/databases/object-relational-mapping-orm.md)
- [About](/databases/object-relational-mapping-orm/about.md)
- [Basic Functionality](/databases/object-relational-mapping-orm/basic-functionality.md)
- [Relations](/databases/object-relational-mapping-orm/relations.md)
- [Migrations](/databases/object-relational-mapping-orm/migrations.md)
- [PostgreSQL](/databases/object-relational-mapping-orm/postgresql.md)
- [NoSQL](/databases/nosql.md)