Databases have many of the same problems as spreadsheets with regard to storing system configuration management information, but usually there is only one database containing the information.
在存储系统配置管理信息方面，数据库有许多与电子表格相同的问题，但是通常只有一个包含此类信息的数据库。
For example, SQL provides just enough of a programming language to handle the problems of working with databases, making it a domain-specific language.
比如，SQL为处理与数据库打交道的问题，提供了刚刚好的编程语言功能，使之成为一个领域特定语言。
InfoQ: Can you elaborate on the problems you see in combining XML with objects and relational databases?
InfoQ：你能详细说明在将XML与对象和关系数据库结合时你所发现的问题吗？
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