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Replacement of Oracle Proprietary XML Functions with XQuery Standard Functions (Doc ID 1072039.1)

Last updated on JANUARY 09, 2024

Applies to:

Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.


Oracle XDB contains a multitude of proprietary XML functions that can and should be replaced with newly introduced XQuery standard functions. We list the replaced functions in table XREF TO TABLE. 

We strongly encourage customers to use these new functions following the XQuery standard. Although still supported there will be no enhancements in the future for the old and replaced functions. 

Please be aware of the semantic differences between XPath 1.0 used in the old functions and XQuery 1.0 used in the new functions. We will illustrate some differences at the end of this section XREF.


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