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# Basic usage # Basic usage
## Choose SQLite database or CSV file ## Choose SQLite database, CSV file, JSON or NDJSON file
You can choose a database or a CSV file right on the welcom page (fig. 1). The You can choose a database, a CSV file, a JSON or NDJSON file right on the welcom page (fig. 1). The
supported file extentions: `.csv`, `.db`,`.sqlite` and `.sqlite3`. supported file extentions: `.csv`, `.json`, `.ndjson`, `.db`,`.sqlite` and `.sqlite3`.
![Fig. 1: Welcome page](./img/Screenshot_welcome.png) ![Fig. 1: Welcome page](./img/Screenshot_welcome.png)
If you choose a CSV file it will be parsed. Then sqliteviz creates a new If you choose a CSV, JSON or NDJSON file it will be parsed. Then sqliteviz creates a new
database with data from the CSV. You can change parsing settings and table name database with data from the file. You can change table name
in the dialog which is shown automatically if you choose a CSV file (fig. 2). in the dialog which is shown automatically if you choose a CSV, JSON or NDJSON file.
For CSV you can also change parsing settings (fig. 2).
![Fig. 2: CSV import dialog](./img/Screenshot_csv.png) ![Fig. 2: CSV import dialog](./img/Screenshot_csv.png)
If you don't have a database or CSV press `Create empty database` button and If you don't have a database or CSV or JSON/NDJSON press `Create empty database` button and
then fill an empty database using DDL and DML statements. A tab with an example then fill an empty database using DDL and DML statements. A tab with an example
of how to do it will be opened automatically (fig. 3). of how to do it will be opened automatically (fig. 3).