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ORA-19279 XQuery dynamic type mismatch expected singleton sequence - got multi-item sequence (Doc ID 1505158.1)

Last updated on JANUARY 17, 2020

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.5 to 11.2.0.3 [Release 10.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Goal

The following query returns error: ORA-19279: XPTY0004 - XQuery dynamic type mismatch: expected singleton sequence - got multi-item sequence
when the XML document contains multiple sequence nodes.  

For example,  the following emp.xml document contains multiple JOB nodes:

<!--emp.xml -->
<EMPS>
  <EMPTABLE>
    <EMPLOYEE ENAME="Scott">
      <EMPNO NO="7844">
        <JOB>Manager</JOB>
        <JOB>Accountant</JOB>
        <JOB>Teacher</JOB>      
        <SAL>100000</SAL>
      </EMPNO>
    </EMPLOYEE>
  </EMPTABLE>
</EMPS>


 
ORA-19279 XQuery dynamic type mismatch expected singleton sequence
- got multi-item sequence 

Solution

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In this Document
Goal
Solution
References


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