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---
title: "Architecture Overview"
description: "Simple overview of NocoDB architecture"
tags: ['Engineering']
hide_table_of_contents: true
---
By default, if `NC_DB` is not specified, then SQLite will be used to store your metadata. We suggest users to separate the metadata and user data in different databases.
![image](/img/architecture.png)
| Project Type | Metadata stored in | Data stored in |
|---------|-----------|--------|
| Create new project | NC_DB | NC_DB |
| Create new project with External Database | NC_DB | External Database |
| Create new project from Excel | NC_DB | NC_DB |