ORA-19281: XQST0055 – It is a static error if a Prolog contains more than one copy-namespaces declaration
Cause: The query prolog contained multiple copy-namespaces declarations.
Action: Remove the duplicate copy-namespaces declarations.
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ORA-19281 XQST0055,是XQuery中一个静态错误,如果Prolog中包含多个复制命名空间声明,则会触发此错误。