Updating xmltype

They differ in the placement of the new nodes and how the target XML data is referenced. For the former, the target is the parent of the new child.

For the latter, the target is the succeeding (or preceding) sibling.

Each of these functions can be used on XML documents that are either schema-based or non-schema-based.

For XML schema-based data, these Oracle SQL functions perform partial validation on the result, and, where appropriate, argument values are also checked for compatibility with the XML schema. An error is never raised if no nodes are targeted, but the deprecated updating Oracle SQL functions can raise an error if an XPath-expression argument targets inappropriate nodes, such as attribute nodes or text nodes.

There are several deprecated Oracle SQL functions for inserting XML nodes into (a copy of) existing XML data.

Each can insert nodes at multiple locations that are referenced by an XPath expression.

OBJECT_VALUE AS "p" RETURNING CONTENT) AS VARCHAR2(128)) part FROM purchaseorder po WHERE XMLExists('$p/Purchase Order[@Reference="SBELL-2003030912333601PDT"]' PASSING po.

OBJECT_VALUE AS "p"); PART ---- ) WHERE XMLExists('$p/Purchase Order[@Reference="SBELL-2003030912333601PDT"]' PASSING OBJECT_VALUE AS "p"); SELECT XMLCast(XMLQuery('$p/Purchase Order/Line Items/Line Item/Part[@Description="A Night to Remember"]' PASSING po.

OBJECT_VALUE AS "p"); NAME LINEITEMS ---------------- ------------------------------------------------------------------------ Sarah J.These functions are covered in detail in the other sections of this appendix.If you have legacy code that uses these functions, Oracle recommends that you migrate that code to use XQuery Update.Note that there is no Oracle-specific equivalent for the XQuery Update constructs Prior to their deprecation, you used the following Oracle SQL functions to update XML data incrementally — that is, to replace, insert, or delete XML data without replacing the entire surrounding XML document.This is also called to insert or delete XML data by replacing a parent node in its entirety.

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