Load XML file and transform to table in database

Question

Hi All,
If I have a xml file as sample xml data
<EMPLOYEES>
- <EMP>
<EMPNO>7369</EMPNO>
<ENAME>SMITH</ENAME>
<JOB>CLERK</JOB>
<MGR>7902</MGR>
<HIREDATE>17-DEC-80</HIREDATE>
<SAL>800</SAL>
</EMP>
</EMPLOYEES>
And I need to import to Emplyees table
Create table Employees
( EMPNO number,
ENAME varchar2(100),
JOB varchar2(100),
MGR number,
HIREDATE date,
SAL number
How to import the xml file to the table?
Regards,
Hiko

Answer 1

Well, if it's a complex XML you can use register a Schema and shred the XML to tables as described on the following thread:
Re: XML file processing into oracle
Or if it's fairly simple XML, you can just use XMLTABLE to flatten the data out...
SQL> ed
Wrote file afiedt.buf
  1  WITH xml_table AS
  2      (SELECT xmltype('
  3      <root>
  4        <child name="name1">
  5          <grandchild name="name11">
  6            <greatgrandchild name="name111"/>
  7            <greatgrandchild name="name112"/>
  8          </grandchild>
  9          <grandchild name="name12"/>
10       </child>
11       <child name="name2">
12         <grandchild name="name21"/>
13            <greatgrandchild name="name211"/>
14         <grandchild name="name22"/>
15       </child>
16     </root>') object_value FROM dual)
17     select po.child_name, gc.gchild_name, ggc.ggchild_name
18     from   xml_table p
19           ,xmltable('/root/child'
20                     passing p.object_value
21                     columns child_name  varchar2(100) path '@name'
22                           ,gchild      xmltype       path 'grandchild'
23                    ) po
24           ,xmltable('/grandchild'
25                     passing po.gchild
26                     columns gchild_name varchar2(100) path '@name'
27                            ,ggchild     xmltype       path 'greatgrandchild'
28                   ) (+) gc
29           ,xmltable('/greatgrandchild'
30                     passing gc.ggchild
31                     columns ggchild_name varchar2(100) path '@name'
32*                  ) (+) ggc
SQL> /
CHILD_NAME           GCHILD_NAME          GGCHILD_NAME
name1                name11               name111
name1                name11               name112
name1                name12
name2                name21
name2                name22and then insert the results into whatever table(s) you want.