Android Can I use JOIN at mediastore query

Question

is there any method to use join in a query at mediastore data?

Or also is there any method to access the mediastore data through a database and not with the content

Answer 1

is there any method to use join in a query at mediastore data?

There are no JOINs possible with content provider queries, sorry.

Or also is there any method to access the mediastore data through a database and not with the content provider?

Only if you write your own firmware.