# Multiple CSV, JSON or NDJSON file import

Sometimes it's useful to import several files as tables in one database. For
example, to be able to `JOIN` them in SQL.

In sqliteviz you can not only create a database from a CSV, JSON or NDJSON file, but also add
another table from CSV, JSON or NDJSON to the existing database.

- Click ![](./img/add-csv.svg) icon in the schema panel on `Workspace`
  page
- Choose a file
- Import it with `import` dialog.