This article explores how MySQL and PostgreSQL handle XML data differently, including storage behavior, validation, XML querying, indexing strategies, standards support, and the practical challenges developers may encounter when working with XML-heavy systems.
XML (Extensible Markup Language) may no longer dominate modern web APIs the way it once did, but it still plays a critical role in many enterprise systems. Financial institutions, publishing platforms, healthcare systems, government agencies, and large legacy applications continue to rely heavily on XML for structured data exchange and long-term interoperability.
XML also remains deeply embedded in technologies such as SOAP-based APIs, enterprise messaging systems, configuration