[Forminator Pro] Forminator Data keep

Hello
1.
In formiantor setting if Submissions Retention have value 0 this keep data forever ? [attach photo -1 ] (value 0 is by default )
2.
If I need form which don’t save data, when form send do not keep any information on server . I Disable store submissions in my database [ attach photo -2] this setting disable store submissions in my database but is saves somewhere ? if i have upload file value how can I send such value and don’t save it on my server ?