you can create DB on your pc , and put on SD Card than use it from SD
or you can create in memory and save on DB …
how you like it - check insider sample i posted (how to step by step with sample)
The code below is a simple example that creates a database file in RAM (SD cards and USB drives can be used as well). A table is created, a few rows are filled, and then this data is read from the database. This data is then iterated over and printed out. ColumnOriginNames returns the name of each of the columns.
check on tutorial (on RAM how to use it) / or in insider i posted example how to with SD CARD