They also need to have knowledge of database concepts or DBA experience in order to understand the implications for the source and target database when designing this solution.
他们还需要掌握数据库的概念或具有DBA的经验，以便在设计解决方案时能够理解源和目标数据库之间的蕴涵关系。
Finally, you'll review all the key concepts behind the example application and examine how they've improved its user experience.
最后，回顾一下示例应用程序背后的所有关键概念，并分析如何使用它们改善用户体验。
It's this first hand experience that makes ideas and concepts stick.
正是这些第一手的经验，使正确的思想和观念得以证实。
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