It contains abstract methods whose sole implementation purpose is to perform the CRUD operations on the underlying table.
它包含一些抽象方法,实现这些方法的惟一目的是在底层表上执行CRUD操作。
Depending on the purpose of informational logging, it might be more or less critical for the successful operations of applications.
根据日志信息的用途,它对应用程序的操作有着不同的影响。
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