Reading XML from Oracle directory to generate charts

Hi,
I have a requirement create graphs, charts and maps based on data from a data warehouse (dw). As I see things, there are two possibilities:
Graphs, charts and maps based on an XML file
Graphs, charts and maps based on Oracle tables
Both would contain small data sets that will allow for quick response. The intent of these graphs, charts and maps is to generate a dashboard that would allow the user to quickly drill down to the desired warehouse data.
The proof of concept has already been validated using the Oracle table scenario. My question is whether or not this could be accomplished reading xml files for generating the same set of dashboard items?
My Oracle database and APEX environments configuration are as follows:
NLSRTL                 11.2.0.1.0                                                           Production
Oracle Database 11g Enterprise Edition 11.2.0.1.0                         64bit Production
PL/SQL 11.2.0.1.0                                                                            Production
TNS for Solaris: 11.2.0.1.0                                                               Production
Application Express 4.2.2.00.11
APEX Listener Release 2.0.2. / Tomcat
An Oracle database directory has been setup and is accessible to our APEX application.
Any suggestions/help is appreciated.
Thanks,
Charles

An Oracle Directory has an underlying OS directory associated with it, Oracle just overlays it's control structure onto an existing folder in the OS. You can manipulate the files with stored procedures in Oracle or at the OS level from outside of Oracle.
If you manipulate the files from the OS level, outside of Oracle, you may need a refresh of the Oracle Directory structure.

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Read XML from a hardware sensor file into ODI
Hi,
I am trying to extract xml data from a flowmeter that generates XML data.
The xml file is found in http://ip_address/history.xml
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Hi David,
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Can you suggest a best way to store and read arabic from oracle database?

Hi ,
can you suggest a best way to store and read arabic from oracle database?
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Thanks. I think that UseSessionFormat=true
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Generate XML from Oracle Table Data

Hi All,
I am new to this network. I am also new to oracle XML package. I want a help for the below query.
CREATE TABLE EMP(ID NUMBER PRIMARY KEY, NAME VARCHAR2(10), PHONE NUMBER);
INSERT INTO EMP(ID,NAME,PHONE) VALUES (11,'Joy',1234);
INSERT INTO EMP(ID,NAME,PHONE) VALUES (22,'Mike',5678);
INSERT INTO EMP(ID,NAME,PHONE) VALUES (33,'Jason',NULL);
COMMIT;
I want to export the EMP table data in a XML file with the below format.
Required Output:
<?xml version="1.0" encoding="UTF-8"?><STATICDATA><EMP><ID>11</ID><NAME>Joy</NAME></EMP></STATICDATA>
<?xml version="1.0" encoding="UTF-8"?><STATICDATA><EMP><ID>22</ID><NAME>Mike</NAME></EMP></STATICDATA>
<?xml version="1.0" encoding="UTF-8"?><STATICDATA><EMP><ID>33</ID><NAME>Jason</NAME></EMP></STATICDATA>
I have used some XML functions and have written the below query.
select XMLROOT(XMLELEMENT(staticdata,XMLELEMENT(EMP,XMLELEMENT(ID,ID),XMLELEMENT(NAME,NAME))), version '1.0" encoding="UTF-8') xml FROM EMP;
output of my query:
<?xml version="1.0" encoding="UTF-8"?>
<STATICDATA>
<EMP>
<ID>11</ID>
<NAME>Joy</NAME>
</EMP>
</STATICDATA>
<?xml version="1.0" encoding="UTF-8"?>
<STATICDATA>
<EMP>
<ID>22</ID>
<NAME>Mike</NAME>
</EMP>
</STATICDATA>
<?xml version="1.0" encoding="UTF-8"?>
<STATICDATA>
<EMP>
<ID>33</ID>
<NAME>Jason</NAME>
</EMP>
</STATICDATA>
But i want the out as the required output above. every record in a single line. can any one help me in achieving the required output. also can i export all the columns of the table by some thing like select * from the table in XML file ?
Thanks,
Sartaj

user13683418 wrote:
Hi All,
I am new to this network. I am also new to oracle XML package. I want a help for the below query.
CREATE TABLE EMP(ID NUMBER PRIMARY KEY, NAME VARCHAR2(10), PHONE NUMBER);
INSERT INTO EMP(ID,NAME,PHONE) VALUES (11,'Joy',1234);
INSERT INTO EMP(ID,NAME,PHONE) VALUES (22,'Mike',5678);
INSERT INTO EMP(ID,NAME,PHONE) VALUES (33,'Jason',NULL);
COMMIT;
I want to export the EMP table data in a XML file with the below format.
Required Output:
<?xml version="1.0" encoding="UTF-8"?><STATICDATA><EMP><ID>11</ID><NAME>Joy</NAME></EMP></STATICDATA>
<?xml version="1.0" encoding="UTF-8"?><STATICDATA><EMP><ID>22</ID><NAME>Mike</NAME></EMP></STATICDATA>
<?xml version="1.0" encoding="UTF-8"?><STATICDATA><EMP><ID>33</ID><NAME>Jason</NAME></EMP></STATICDATA>
I have used some XML functions and have written the below query.
select XMLROOT(XMLELEMENT(staticdata,XMLELEMENT(EMP,XMLELEMENT(ID,ID),XMLELEMENT(NAME,NAME))), version '1.0" encoding="UTF-8') xml FROM EMP;
output of my query:
<?xml version="1.0" encoding="UTF-8"?>
<STATICDATA>
<EMP>
<ID>11</ID>
<NAME>Joy</NAME>
</EMP>
</STATICDATA>
<?xml version="1.0" encoding="UTF-8"?>
<STATICDATA>
<EMP>
<ID>22</ID>
<NAME>Mike</NAME>
</EMP>
</STATICDATA>
<?xml version="1.0" encoding="UTF-8"?>
<STATICDATA>
<EMP>
<ID>33</ID>
<NAME>Jason</NAME>
</EMP>
</STATICDATA>
But i want the out as the required output above. every record in a single line.Why?
Some things output XML all as one stream, some things naturally display it structured. It doesn't matter as the XML is still the same because by it's very nature it is a structured data definition. Anything that reads XML will be able to read it whether it's on one line (streamed) or structured.
also can i export all the columns of the table by some thing like select * from the table in XML file ?A couple of ways of exporting XML to a file...
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-- outputs a clob to a file
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BEGIN
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   DBMS_XMLGEN.closecontext (ctx);
END;
PL/SQL procedure successfully completed.or
..snip..
v_xml                 XMLTYPE;
v_doc                 XMLDOM.DOMDocument;
v_dir                 VARCHAR2(2000);
v_file                VARCHAR2(2000);
BEGIN
v_xml := ... populate with XML ...;
v_dir := 'TEST_DIR'; -- directory object name (in UPPER CASE)
v_file := 'myfile.xml';
v_doc := DBMS_XMLDOM.NEWDOMDOCUMENT(v_xml);
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Generating XML from Oracle DB

While generating XML data from Oracle relational database, using the following SQL statement,
SELECT XMLElement("Date", VioDate)
FROM TableName
WHERE VioId= 10;
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[][][][]<Date>2010-03-22</Date>
There four small squares coming before the xml element.
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Regards

Hi,
Probably an issue about how the client "implicitly" converts an XMLType to display its lob content.
You may use getStringVal() or getClobVal() methods to get the content :
SQL*Plus: Release 10.1.0.4.2 - Production on Lun. Mars 29 16:28:39 2010
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connecté à :
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select xmlelement("TEST", 'ABC') from dual;
XMLELEMENT("TEST",'ABC')
SQL> select xmlelement("TEST", 'ABC').getclobval() from dual;
XMLELEMENT("TEST",'ABC').GETCLOBVAL()
<TEST>ABC</TEST>HTH

Read XML from remote server

Not sure if this is even possible.
I am using APEX on a INTERNAL server, on the same network is another server hosting files.
Using PL/SQL code, I need to read the XML file.
So APEX/ORACLE is at http:\\server1\apex\f?p........
And the files are at \\server2\xml\file.xml
Can I load the xml from server2 using pl/sql in server1?
The XML is generated automatically from another system and can not be stored on the APEX server. It does not need to go into the database, just read, parced, and displayed.

Hi,
Using PL/SQL code, I need to read the XML file. You can create a directory object pointing to the location on server2 :
CREATE DIRECTORY xml_dir AS '\\server2\xml';then you can access the XML content like this :
DECLARE
v_xml_doc xmltype;
BEGIN
v_xml_doc := xmltype(bfilename('XML_DIR', 'file.xml'), nls_charset_id('CHAR_CS'));
-- XML processing here...
END;
/

Creating XML from Oracle Tables

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My flow is straight from source (oracle) to target (xml), with staging area on target (doesn't feel right).
My Oracle Dataserver & Schema work fine. Not sure about the XML dataserver setup though - I think this is where the problem lies. These are my JDBC settings:
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Steve

Hello,
1. Try to test the connection to the XML dataserver.
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just haven't had time to read manuals thoroughly.I think you should quickly read the "Sunopsis ODI with... XML" section in the manual.
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Hi mates
I have one problem I want show a trend(graph) from sql database which is having the records of about 8600 in a day. And i want to show a graph for a day
but sometimes it gives a problem like out-of-memory, so can anyone tell me how i can get read of it.
and other this can i use xml for this means first write a data in xml format from database then read it at sametime and show graph in applet
can anytell me how to do it
any suggesion is appreciable
thanx

Here's are two example for what you are looking for
Re: Load xml data in Oracle table
Re: insert .xml file into xmltype table?
First you need to create a DIRECTORY object. That is how Oracle works and it expects a DIRECTORY object instead of a physical path when performing operations that read/write from disk. The directory path provided to the CREATE DIRECTORY command must be a directory that the machine Oracle DB resides on can see.
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Read xml into oracle table

Hi,
How can I read an xml.file read in an oracle table (invoice varchar2(20), invoice_line number, ship_date date, country varchar2(100))?
The xml looks like this:
<?xml version="1.0" encoding="utf-8" ?>
- <dataset xmlns="http://developer.cognos.com/schemas/xmldata/1/" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance">
- 
- <metadata>
<item name="Invoice #" type="xs:string" length="42" />
<item name="Invoice Line" type="xs:string" length="10" />
<item name="Ship Date" type="xs:date" />
<item name="COUNTRY" type="xs:string" length="8" />
</metadata>
- <data>
- <row>
<value>26623</value>
<value>0001</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
- <row>
<value>26624</value>
<value>0001</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
- <row>
<value>26624</value>
<value>0003</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
- <row>
<value>26625</value>
<value>0001</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
</data>
</dataset>
Thnx, Robbert

Hi,
Possible solutions will depend on your db version, which you didn't give.
The following example assumes you're using 10gR2 :
CREATE TABLE invoices (
invoice varchar2(20),
invoice_line number,
ship_date date,
country varchar2(100)
DECLARE
xmldoc xmltype := xmltype(
'<?xml version="1.0" encoding="utf-8" ?>
<dataset xmlns="http://developer.cognos.com/schemas/xmldata/1/" xmlns:xs="http://www.w3.org/2001/XMLSchema-instance">
<metadata>
<item name="Invoice #" type="xs:string" length="42" />
<item name="Invoice Line" type="xs:string" length="10" />
<item name="Ship Date" type="xs:date" />
<item name="COUNTRY" type="xs:string" length="8" />
</metadata>
<data>
<row>
<value>26623</value>
<value>0001</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
<row>
<value>26624</value>
<value>0001</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
<row>
<value>26624</value>
<value>0003</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
<row>
<value>26625</value>
<value>0001</value>
<value>2010-05-03</value>
<value>USA</value>
</row>
</data>
</dataset>'
BEGIN
INSERT INTO invoices (invoice, invoice_line, ship_date, country)
SELECT invoice, invoice_line, to_date(ship_date, 'YYYY-MM-DD'), country
FROM XMLTable(
   XMLNamespaces(default 'http://developer.cognos.com/schemas/xmldata/1/'),
   '/dataset/data/row'
   passing xmldoc
   columns
     invoice      varchar2(20) path 'value[1]',
     invoice_line number        path 'value[2]',
     ship_date    varchar2(10) path 'value[3]',
     country      varchar2(100) path 'value[4]'
END;
/If your XML document resides outside the database, you may also access it directly through a DIRECTORY object :
CREATE OR REPLACE DIRECTORY xmldir AS 'C:\oracle\invoices\xml';
INSERT INTO invoices (invoice, invoice_line, ship_date, country)
SELECT invoice, invoice_line, to_date(ship_date, 'YYYY-MM-DD'), country
FROM XMLTable(
XMLNamespaces(default 'http://developer.cognos.com/schemas/xmldata/1/'),
'/dataset/data/row'
passing xmltype( bfilename('XMLDIR', 'invoices.xml'), nls_charset_id('AL32UTF8') )
columns
   invoice      varchar2(20) path 'value[1]',
   invoice_line number        path 'value[2]',
   ship_date    varchar2(10) path 'value[3]',
   country      varchar2(100) path 'value[4]'
);Some docs about XMLTable and XML querying with Oracle :
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/functions228.htm#CIHGGHFB
http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14259/xdb_xquery.htm#ADXDB1700
Edited by: odie_63 on 24 juin 2010 20:07

Calling Web Service passing xml from Oracle Forms

Hello,
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String naziv_osiguranika,
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String l_polica="";
String l_reg_oznaka="";
String l_ime_osiguranika="";
String l_naziv_osiguranika="";
String l_leasing ="";
URL url = null;
HttpsURLConnection conn = null;
BufferedReader br = null;
String lineIn = null;
StringBuffer sb = new StringBuffer();
OutputStream os = null;
int rc = 0;
//kontrole
l_polica = polica==null ? "":polica;
l_reg_oznaka = reg_oznaka==null ? "": reg_oznaka;
l_ime_osiguranika = ime_osiguranika==null ? "": ime_osiguranika;
l_naziv_osiguranika = naziv_osiguranika==null ? "": naziv_osiguranika;
l_leasing = leasing==null ? "": leasing;
String body = "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
body += "<soapenv:Envelope xmlns:soapenv=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:web=\"https://services.huo.hr/web_ao/\">";
body += "<soapenv:Header/>";
body += "<soapenv:Body>";
body += "<web:get_pstupanj>";
body += "<web:param_in>";
body += "<web:polica>"+l_polica+"</web:polica>";
body += "<web:reg_oznaka>"+l_reg_oznaka+"</web:reg_oznaka>";
body += "<web:ime_osiguranika>"+l_ime_osiguranika+"</web:ime_osiguranika>";
body += "<web:naziv_osiguranika>"+l_naziv_osiguranika+"</web:naziv_osiguranika>";
body += "<web:leasing>"+l_leasing+"</web:leasing>";
body += "</web:param_in>";
body += "</web:get_pstupanj>";
body += "</soapenv:Body>";
body += "</soapenv:Envelope>";
SSLContext sslContext = null;
try {
sslContext = SSLContext.getInstance("TLS");
X509TrustManager[] xtmArray = new X509TrustManager[|http://forums.oracle.com/forums/] { xtm };
sslContext.init(null, xtmArray, new java.security.SecureRandom());
} catch (GeneralSecurityException gse) {
doc[0] = gse.toString();
return -1;
if (sslContext != null) {
conn.setDefaultSSLSocketFactory(sslContext.getSocketFactory());
try {
conn.setDefaultHostnameVerifier(hnv);
} catch (Exception ex) {
doc[0] = ex.toString();
return -1;
try {
URL st = new URL("https://services.huo.hr/web_ao/web_ao.asmx");
conn = (HttpsURLConnection)st.openConnection();
conn.setRequestMethod("POST");
conn.setRequestProperty("Host", "services.huo.hr");
conn.setRequestProperty("Content-Length", "" + body.length());
conn.setRequestProperty("SOAPAction",
"\"https://services.huo.hr/web_ao/get_pstupanj\"");
conn.setRequestProperty("Content-Type", "text/xml;charset=UTF-8");
conn.setDoOutput(true);
OutputStreamWriter wr =
new OutputStreamWriter(conn.getOutputStream());
wr.write(body);
wr.flush();
BufferedReader in =
new BufferedReader(new InputStreamReader(conn.getInputStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
sb.append(new String(inputLine.getBytes(),"UTF-8"));
in.close();
//System.out.println(new String(sb.toString().getBytes(),"ISO8559_2"));
doc[0] = sb.toString();
return 0;
} catch (Exception e) {
doc[0] = e.toString() + " ===> " + body + " ==>length= " + body.length();
return -1;
====================================
best regards
Edited by: Peterv6i on Jan 6, 2009 8:34 AM
Edited by: Peterv6i on Jan 6, 2009 8:40 AM

How to Get XML from the PDF form generated using Designer that is stored in LC

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Hi there,
I would like to read XML data from Applet,
first of all is it possible?
If yes then how and will I require any extra pugin other than Java Plug-in?
Thanks

Sure you can, as long as the applet has permissions to read the xml file. If it is in the same directory as the applet it should be ok.
There is no need for an extra plugin. Here's a starting point:
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(<some stream>);
Element data = doc.getDocumentElement();
NodeList dbChildren = db.getChildNodes();

Reading XML from Oracle directory to generate charts

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