This is due to RDBMS' strict schema-based design.

这是由于 RDBMS 严格的基于模式的设计。

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Dealing with complex schema-based rules such as substitutiongroups.

处理复杂的基于模式的规则，比如substitutiongroups。

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Using schema-based config also gives developers code completion and inline documentation in most Xml editors.

通过使用基于schema的配置，大多数Xml编辑器都会提供代码补全及内联文档的功能。

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