Dequeue XML from Oracle AQ and insert data into table

Question

Using PL/SQL in a stored procedure, I need to dequeue a message from an Oracle AQ queue, parse the XML content and insert the data in an Oracle table. This is being done in Oracle 9.2.x.
The payload for the message consists of 2 attributes, APPLICATION_DATA (VARCHAR2(32) and MESSAGE_BODY (CLOB). The MESSAGE_BODY is an XML document. A sample of the message is shown below:
(M_NAME=MSG_LAW_WR_CRE_UPD, <?xml version = "1.0"?>
<MSG_LAW_WR_CRE_UPD ID = "WMIS-4744" SRC_SYSTEM_CODE = "WMIS" SRC_SYSTEM_INSTANCE = "WMIS">
<WR:CMP_LAW_WR_CRE_UPD xmlns:WR = "WR" >
<WR:DATETIME>12/19/2005</WR:DATETIME>
<WR:RUSCODE>100</WR:RUSCODE>
<WR:WRNO>38213</WR:WRNO>
</WR:CMP_LAW_WR_CRE_UPD>
</MSG_LAW_WR_CRE_UPD>)
This message needs to be dequeued from a queue named INBOUND, parsed and inserted into a table named INFO_TO_ACCT (CREATEDATE date, RUSCODE varchar2(10), WRNO number).
Any help would be appreciated.

Answer 1

SELECT EXTRACTVALUE(xmltype('<?xml version = "1.0"?>
<MSG_LAW_WR_CRE_UPD ID = "WMIS-4744" SRC_SYSTEM_CODE = "WMIS" SRC_SYSTEM_INSTANCE = "WMIS">
<CMP_LAW_WR_CRE_UPD>
<DATETIME>12/19/2005</DATETIME>
<RUSCODE>100</RUSCODE>
<WRNO>38213</WRNO>
</CMP_LAW_WR_CRE_UPD>
</MSG_LAW_WR_CRE_UPD>'),'//DATETIME/text()') FROM DUAL;
hope this helps.