方法可以获取对SQLite数据只读的数据库对象
方法可以获取对SQLite数据只读的数据库对象
A.getReadableDataBase()inSQLiteOpenHelper
B.getWritableDatabase()inSQLiteOpenHelper
C.openDatabase(“testdemo”,null,SQLiteDatabase.OPEN()READWRITE)inSQLiteDatabase
D.onUpgrade(SQLiteDatabasedb,intoldVersion,intnewVersion)
正确答案:A