SQLiteDatabase查询方法

String sql = "SELECT * FROM table_name WHERE column_name = ?";
String[] selectionArgs = {"value"};
Cursor cursor = db.rawQuery(sql, selectionArgs);

String table = "table_name";
String[] columns = {"column1", "column2"};
String selection = "column_name = ?";
String[] selectionArgs = {"value"};
String groupBy = null;
String having = null;
String orderBy = null;
Cursor cursor = db.query(table, columns, selection, selectionArgs, groupBy, having, orderBy);

CursorFactory factory = new CustomCursorFactory();
Cursor cursor = db.queryWithFactory(factory, table, columns, selection, selectionArgs, groupBy, having, orderBy);