code: private static void drop(SQLiteDatabase db, final QueryType type, String prefix) {
  		String dropSQL = StringUtils.hasText(prefix) ? "name like '" + prefix + "' || '%'" : null;
  
  		query(db, dropSQL, type, new OnResultListener() {
  
  			@Override
  			public void onRow(SQLiteDatabase db, String name, String sql) {
  				String drop = "DROP " + type.toString().toUpperCase() + " " + name;
  				Logger.info(drop);
  				db.execSQL(drop);
  
  			}
  		});
  	}
docs: Drop all entity of particular type (table or index). If prefix is
  specified, the drop operation is applied only to entity with prefix.
  
  @param db
  the db
  @param type
  the type
  @param prefix
  the prefix