有两个原因使得宏更适合xml声明式安全文件这样的数据语言。

There are two issues that make a macro set preferable to data languages like the XML declarative security file.

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使用嵌入式SQL，数据库编程的复杂性可以通过一些宏子语言来屏蔽。

With Embedded SQL, the intricacies of database programming are masked by a sort of macro sub-language.

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