i have currently working on Student Attendence app in android i trying to import database record in csv file please help on that issue

i have currently working on Student Attendence app in android i trying to
import database record in csv file please help on that issue

I am working on a app which needs huge to be stored in database and
display it later, but problem is that how to insert that much data in
database , i use .csv file to import data from file and store it in table
,Every thing is working fine but only one Row has been inserted in
dataBase , any one have any idea how to insert multiple records in
database,