| General |
|
Note: XMLQuery returns query results as XML. XMLTable returns results as relation data. |
| |
| Demo Tables |
CREATE TABLE person_data (
person_id NUMBER(3),
person_data XMLTYPE);
desc person_data |
Demo Data |
INSERT INTO person_data
(person_id, person_data)
VALUES
(1, XMLTYPE('
<PDRecord>
<PDName>Daniel Morgan</PDName>
<PDDOB>12/1/1951</PDDOB>
<PDEmail>[email protected]</PDEmail>
</PDRecord>')
);
INSERT INTO person_data
(person_id, person_data)
VALUES
(2, XMLTYPE('
<PDRecord>
<PDName>Jack Cline</PDName>
<PDDOB>5/17/1949</PDDOB>
<PDEmail>[email protected]</PDEmail>
</PDRecord>')
);
INSERT INTO person_data
(person_id, person_data)
VALUES
(3, XMLTYPE('
<PDRecord>
<PDName>Caleb Small</PDName>
<PDDOB>1/1/1960</PDDOB>
<PDEmail>[email protected]</PDEmail>
</PDRecord>')
);
COMMIT;
SELECT * FROM person_data;
set long 100000
col person_data format a60
SELECT * FROM person_data; |
| |
| SELECT |
Simple Query (with equals) |
SELECT <column_list>, XMLQuery (
'for $i IN <record_end_tag>
where $i<item_end_tag> = <value>
order by $i<item_end_tag>
return $i<item_end_tag>
PASSING BY VALUE <xml_record_column>
RETURNING CONTENTS) <returning_column_alias>
FROM <table_name>;
Note: What is within the parentheses is case sensitive and you can not use Upper Case or InitCap for commands.
|
col column_value
format a50
SELECT t.column_value
FROM person_data a,
XMLTABLE (
'for $root in $date
where $root/PDRecord/PDName = "Daniel Morgan"
return $root/PDRecord/PDDOB/text()'
passing a.person_data AS "date") t; |
