Mega Code Archive
Individual fields from the XMLTYPEd column may be found using the EXTRACTVALUE function like this
<![CDATA[
SQL>
SQL> --EXTRACTVALUE is an Oracle function that uses an XPath expression,
SQL>
SQL> CREATE TABLE testxml (id NUMBER(3), dt SYS.XMLTYPE);
Table created.
SQL>
SQL> INSERT INTO testxml VALUES(111,
2 sys.xmltype.createxml(
3 '<?xml version="1.0"?>
4 <customer>
5 <name>Joe Smith</name>
6 <title>Mathematician</title>
7 </customer>'))
8 /
1 row created.
SQL>
SQL> SET LONG 2000
SQL>
SQL> SELECT *
2 FROM testxml
3 /
ID DT
----------------------------------------------------------------------------------------------------
111 <?xml version="1.0"?><customer><name>Joe Smith</name><title>Mathematician</title></customer>
SQL>
SQL> select EXTRACTVALUE(t.dt,'//customer/name') from testxml t;
EXTRACTVALUE(T.DT,'//CUSTOMER/NAME')
-----------------------------------------------------------------------------------------
Joe Smith
SQL>
SQL> drop table testxml;
Table dropped.
SQL>
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