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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.
| Project Type | Metadata stored in | Data stored in |
|----------------------------------------|-----------|--------|
| Create new base | NC_DB | NC_DB |
| Create new base with External Database | NC_DB | External Database |
| Create new base from Excel | NC_DB | NC_DB |
