在类图中,我们定义了一个MySQL类,其中有一个名为except的方法来模拟EXCEPT操作符。这个方法接收两个查询语句作为参数,并返回两个查询结果的差集。 参考资料 [MySQL官方文档]( [W3Schools - SQL EXCEPT Operator](
In this example, thetryblock does not generate any error: try: print("Hello") except: print("Something went wrong") else: print("Nothing went wrong") Try it Yourself » Finally Thefinallyblock, if specified, will be executed regardless if the try block raises an error or not. ...