首先，需要选择一种用于与数据库交互的语言。

First, you need to select a language that you will use to interact with the database.

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但凡是需要与数据库交互的课程都要用到DB2。

But any lesson in those courses that requires interaction with a database will use DB2.

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即使使用框架进行数据库交互，仍然需要执行其他验证。

Even if you're using a framework for database interaction, you still need to perform the other verification.

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