Skip Headers
Oracle® Database SQL Language Reference
11g Release 2 (11.2)

Part Number E10592-02
Go to Documentation Home
Home
Go to Book List
Book List
Go to Table of Contents
Contents
Go to Index
Index
Go to Master Index
Master Index
Go to Feedback page
Contact Us

Go to previous page
Previous
Go to next page
Next
View PDF

XMLCONCAT

Syntax

Description of xmlconcat.gif follows
Description of the illustration xmlconcat.gif

Purpose

XMLConcat takes as input a series of XMLType instances, concatenates the series of elements for each row, and returns the concatenated series. XMLConcat is the inverse of XMLSequence.

Null expressions are dropped from the result. If all the value expressions are null, then the function returns null.

See Also:

XMLSEQUENCE

Examples

The following example creates XML elements for the first and last names of a subset of employees, and then concatenates and returns those elements:

SELECT XMLCONCAT(XMLELEMENT("First", e.first_name),
   XMLELEMENT("Last", e.last_name)) AS "Result"
   FROM employees e
   WHERE e.employee_id > 202;

Result
----------------------------------------------------------------
<First>Susan</First>
<Last>Mavris</Last>

<First>Hermann</First>
<Last>Baer</Last>

<First>Shelley</First>
<Last>Higgins</Last>

<First>William</First>
<Last>Gietz</Last>

4 rows selected.