從SYS.XMLTYPE類型的column中,直接讀取xpath所對應節點或者屬性的值:
- select EXTRACTVALUE(t.xml_data,
- '//app:node/app:sub-node/app:leaf-node',
- 'xmlns:app="http://www.example.com/data"') as alias
- from table_name t
- where ...
從SYS.XMLTYPE類型的column中,直接讀取xpath所對應節點或者屬性的值:
- select EXTRACTVALUE(t.xml_data,
- '//app:node/app:sub-node/app:leaf-node',
- 'xmlns:app="http://www.example.com/data"') as alias
- from table_name t
- where ...