How to create the default column in XML schema?

Hi all

I would like to define a default column Let's say Run_Date as Date data type in XML (XSD) schema definition and would fill column Run_Date SYSDATE, when XML documents are parsed to this schema.
Let me know, how can we achieve?

Thanks in advance.

Also, I can not change the contents of the XML file, because it is generated by another language, but I can change the definition of XML schema, if necessary.

Well, if you can not change the XML instance, you cannot change the schema, it conforms to the.
You can add an optional attribute whose value by default, but we can only use a static value.

How do you insert the file into the table?

  • If you programmatically, via an INSERT statement, then I think your best bet is to create a new table with a relational schema XMLType column and a DATE column:

    CREATE TABLE employees (
      dt_created date default sysdate not null
    , xmldoc     xmltype
    , CONSTRAINT emp_pk PRIMARY KEY (xmldoc."XMLDATA".EMP_NO)
    )
    XMLTYPE COLUMN xmldoc STORE AS OBJECT RELATIONAL
    XMLSCHEMA "EMP.xsd" ELEMENT "Emp" ;
    

    If you choose to do so, remove the XML schema and enter it again with "genTables-online false."

  • If you have inserted the file via the XDB (FTP, WebDAV, createResource) repository and relying on the table by default feature, then you may be out of luck.
    There is probably a way to tamper with the underlying structure of GOLD among a hidden column do accept a default value, but since it is not supported I won't even try.

  • Tags: Oracle Development

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