PRM392Xuất hiện trong 1 đề thi
Which of the following is the advantage of SQLiteOpenHelper class that makes it preferred over SQLiteDatabase class when manipulating a database?
Các lựa chọn
AIt can read and write a database
BIt can initialize tables of a newly-created database while SQLiteDatabase cannot
CIt caches database instances and closes them when they are no longer needed
DIt has better performance than SQLiteDatabase