Cursor c;
c = db.rawQuery(“select * from todo_table”, null);

c.moveToFirst();
int len=c.getCount();
String t1=c.getString(0);

return c;
// select stud_no,stud_no  from   TABLE_NAME
String col[]= {“stud_no”,”stud_name”};
Cursor cursor3  = db.query(TABLE_NAME, col, null, null, null, null, null);

// select * from TABLE_NAME where Id = ‘2’
Cursor cursor2 = db.query(TABLE_NAME, null, “Id = ‘2’” , null, null, null, null);