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Oracle® Database SQL Reference
10g Release 2 (10.2)

Part Number B14200-02
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PDF · Mobi · ePub

DELETEXML

Syntax

Description of deleteXML.gif follows
Description of the illustration deleteXML.gif

Purpose

DELETEXML deletes the node or nodes matched by the XPath expression in the target XML.

See Also:

Oracle XML DB Developer's Guide for more information about this function

Examples

The following example removes the /Owner node from the warehouse_spec of one of the warehouses modified in the example for APPENDCHILDXML:

UPDATE warehouses SET warehouse_spec =
   DELETEXML(warehouse_spec, 
   '/Warehouse/Building/Owner')
   WHERE warehouse_id = 2;

SELECT warehouse_id, warehouse_spec FROM warehouses   WHERE warehouse_id in (2,3);

        ID WAREHOUSE_SPEC
---------- -----------------------------------
         2 <?xml version="1.0"?>
           <Warehouse>
             <Building>Rented</Building>
             <Area>50000</Area>
             <Docks>1</Docks>
             <DockType>Side load</DockType>
             <WaterAccess>Y</WaterAccess>
             <RailAccess>N</RailAccess>
             <Parking>Lot</Parking>
             <VClearance>12 ft</VClearance>
           </Warehouse>
 
         3 <?xml version="1.0"?>
           <Warehouse>
             <Building>Rented
               <Owner>Grandco</Owner>
               <Owner>ThirdOwner</Owner>
               <Owner>LesserCo</Owner>
             </Building>
             <Area>85700</Area>
             <DockType/>
             <WaterAccess>N</WaterAccess>
             <RailAccess>N</RailAccess>
             <Parking>Street</Parking>
             <VClearance>11.5 ft</VClearance>
           </Warehouse>