在查看 DB2 为目标查询选择的访问路径时，问自己一个问题：DB2 应该为这个查询选择不同的访问路径吗？
When you've looked at the access path selected by DB2 for your target query, ask yourself this question: Should DB2 have selected a different access path for the query?
你可以查看一下你在“无悔”中列出来的你想实现的目标，以此提醒自己。
Check your no-regrets list as a reminder of what it is you're striving for.
你可以提供大量的各种各样的挑战任务来绑定你的长期的或是现时的经营目标，并且可以让用户查看这些挑战的列表和选择他们自己喜欢的挑战项目。
Consider offering a wide range of challenges tied to your evergreen and time-sensitive business objectives and allow users to access a list so that they can pick their own.
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