Extraction of XML data

Hello

I have a requirement to extract data from XML and insert in a custom table.

XML structure is

< A >

< Column1 >

< Column2 >

< Column3 >

< Column4 >

< column > 5

< A >

< A1 >

< Column1 >

< Column2 >

< Column3 >

< Column4 >

< column > 5

< A1 >

.

.

.

.

< a >

< Column1 >

< Column2 >

< Column3 >

< Column4 >

< column > 5

< a >


I need to extract all the values in the column and insert it into a custom table.

Number of nodes one will increase every day, and columns can be of the order of 50-100.


With the help of EXTRACTVALUE and bulk collect I m doing this process, but taking almost 2 hours for the processing of 3000 records.


Please let me know is there better way (in terms of performance) to extract XML data?


Thank you

Kumar.

Why the node is called as A1, A2... One? Why can it not be Just A? Here's an example of how to represent XML report and analyzed data to a relational structure.

SQL> with t
  2  as
  3  (
  4  select xmltype
  5         (
  6  '
  7      
  8           1
  9           ram
 10           01-01-2016
 11           10000
 12      
 13      
 14           2
 15           karthick
 16           01-01-2016
 17           10000
 18      
 19      
 20           3
 21           subha
 22           01-01-2016
 23           10000
 24      
 25      
 26           4
 27           vimal
 28           01-01-2016
 29           10000
 30      
 31      
 32           5
 33           vijay
 34           01-01-2016
 35           10000
 36      
 37  
'
 38         ) xmldata
 39    from dual
 40  )
 41  select t1.*
 42    from t
 43       , xmltable
 44         (
 45             '/table/row' passing xmldata
 46             columns
 47               empno number path 'empno',
 48               ename varchar2(10) path 'ename',
 49               doj varchar2(10) path 'doj',
 50               sal number path 'sal'
 51         ) t1;

     EMPNO ENAME      DOJ               SAL
---------- ---------- ---------- ----------
         1 ram        01-01-2016      10000
         2 karthick   01-01-2016      10000
         3 subha      01-01-2016      10000
         4 vimal      01-01-2016      10000
         5 vijay      01-01-2016      10000

Tags: Database

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PL/SQL procedure successfully completed.

SQL>

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    My XML that gets donwloaded is as

    
 http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://tempuri.org/">
  
    tu7652
    F
    Marry
    Wijaya
  
  
    23
    F
    Marry
    Wijaya

    In My QML, it comes to the ListView can say SearchResult.qml

    ListView {
          objectName: "resultlist"
          dataModel: feedsdatamodel
          listItemComponents: [
            ListItemComponent {
                        type: "item"
                        PeopleListItem {
                            name: ListItemData.givenName + ", " + ListItemData.sn
                            role: ListItemData.ExtFunction
                            leftPaddingText: 40
                        }
                    }
           ]
        }
 attachedObjects: [
       // The data model that contains the content of a XML file
        GroupDataModel {
            id: feedsDataModel
            sortingKeys: [
                "givenName"
            ]
            grouping: ItemGrouping.None
        }
    ]

    PeopleListItem.qml

    import bb.cascades 1.0

Container {
    property alias name: titleLabel.text
    property alias role: functionLabel.text
    property alias leftPaddingText: textcontainer.leftPadding

    layout: StackLayout {
        orientation: LayoutOrientation.TopToBottom
    }
    preferredWidth: 768
    preferredHeight: 135
    Container {

        id: textcontainer
        topPadding: 10

        layout: StackLayout {
            orientation: LayoutOrientation.TopToBottom
        }
        Label {

            id: titleLabel
            textStyle.base: SystemDefaults.TextStyles.TitleText
            textStyle.color: Color.Black
        }
        Label {
            id: functionLabel
            textStyle.base: SystemDefaults.TextStyles.BodyText
            textStyle.color: Color.Gray
        }
    }
    Divider {
        verticalAlignment: VerticalAlignment.Bottom
    }
}

    This is the function I'm using to display the QML it is called from main.qml and works correctly.

    void PeopleFinder::onSearchClicked() {
    qDebug() << "PeopleFinder::PeopleFinder::onSearchClicked::\t" << "begin";
    qDebug() << "PeopleFinder::PeopleFinder::onSearchClicked::\tfname:"
            << m_fname << "\tlname:" << m_lname;

    // Create a network access manager and connect a custom slot to its
    // finished signal
    mNetworkAccessManager = new QNetworkAccessManager(this);

    // create a data model with sorting keys for lastname and firstname
    Q_ASSERT(
            connect(mNetworkAccessManager, SIGNAL(finished(QNetworkReply*)), this, SLOT(requestFinished(QNetworkReply*))));

    //Load the bew QML file of Search from here
    QmlDocument *qml = QmlDocument::create("asset:///SearchResults.qml").parent(
            this);
    qml->setContextProperty("peoplefinder", this);

    Page *mypage = qml->createRootObject();
    qml->setParent(mypage);
    qDebug() << "PeopleFinder::PeopleFinder::onSearchClicked::\t s444444";

    // Retrieve the activity indicator from QML so that we can start
    // and stop it from C++
//  mActivityIndicator = mypage->findChild("myIndicator");

    // Retrieve the list so we can set the data model on it once
    // we retrieve it
    mListView = mypage->findChild("resultlist");

    mNavigator->push(mypage);
}

    Once the page loads in the QML it call the launch request providing c ++ file and once the
    query is completed under function is called with the data. I checked that data are downloaded properly

    void PeopleFinder::requestFinished(QNetworkReply* reply) {
    qDebug() << "PeopleFinder::PeopleFinder::requestFinished::\t"
            << "response received";
    // Check the network reply for errors
    if (reply->error() == QNetworkReply::NoError) {

        // Open the file and print an error if the file cannot be opened
        qDebug() << "PeopleFinder::PeopleFinder::requestFinished::\t"
                << "No error";

        // Write to the file using the reply data and close the file
        QByteArray xml = reply->readAll();
        qDebug() << "Data: \n" << xml;

        // load the xml data
        XmlDataAccess xda;
        QVariant list = xda.load(xml, "ArrayOfPeople");

        qDebug() << "List:::\n" << list;

        GroupDataModel *datamodel = (GroupDataModel*)mListView->dataModel();
        // add the data to the model
        datamodel->clear();
        datamodel->insertList(list.value());
        datamodel->setSortingKeys(QStringList() << "givenName" << "sn");
        qDebug() << "PeopleFinder::PeopleFinder::requestFinished::\t"
                << "Datamodel set size:: " << datamodel->size();

        // Set the new data model on the list and stop the activity indicator

    } else {
        qDebug() << "\n Problem with the network";
        qDebug() << "\n" << reply->errorString();
    }
}

    But now, the real problem begins as in how to convert QByteArray data type of QVariantList which can be loaded into the datamodel
    I don't want to write the data to the XML file and then pass that as a list his will is very slow, once I move test environment to the production environment.

    Please help me solve this problem

    I got it to work using xml parsing with QXmlStreamReader

  • Extract XML data using XML table NULL recovery

    Hello

    I use XMLtable to recover data using XMLtable

    XML

    "< env:Envelope xmlns:env = ' http://schemas.xmlsoap.org/SOAP/envelope/ ">

    < env:Header > < / env:Header >

    < env:Body >

    " < = Xmlns:ns1 CreditBureauResponse ' http://www.example.org "xmlns =" " http://www.example.org ">

    < ns1:Body >

    < ns1:MGResponse > & lt; MGResponse xmlns = "urn: crif - messagegateway:2006 - 08-23" > & lt; U2:AUE_RES xmlns:u2 = "urn: AUE" > & lt; U2:response > & lt; U2:CBApplicationId > 123456789 & lt; / u2:CBApplicationId > & lt; U2:ProviderApplicationNo > 123 & lt; / u2:ProviderApplicationNo > & lt; U2:PreviousPhase > D & lt; / u2:PreviousPhase > & lt; U2:ActualPhase > D & lt; / u2: ActualPhase > & lt; U2:ApplicationDeleted > 0 & lt; / u2:ApplicationDeleted > & lt; / u2:Response > & lt; / u2:AUE_RES > & lt; / MGResponse > < / ns1:MGResponse >

    < / ns1:Body >

    < / CreditBureauResponse >

    < / env:Body >

    "< / env:Envelope >.

    I would like to know where I am going wrong

    SELECT x1.*

    OF tmp_xml_aue t.

    XMLTABLE (XMLNAMESPACES ('http://schemas.xmlsoap.org/soap/envelope/"as"env","http://www.example.org"as 'ns1", default'http://www.example.org'), )

    ' / env:Envelope / env:Body / CreditBureauResponse' T.OBJECT_VALUE by the WAY

    columns MGRESPONSE xmltype PATH "ns1:Body/ns1:MGResponse/text()") X 1,

    XMLTABLE (XMLNAMESPACES ("urn: crif - messagegateway:2006 - 08-23' as"v1", default" urn: AUE' '), ' / MGResponse/AUE_RES ' PASSAGE xmltype (DBMS_XMLGEN.convert (X 1.) MGRESPONSE. GETCLOBVAL(), 1))

    columns CBAPPLICATIONID varchar2 (15) WAY "response/CBApplicationId.

    ) X 2;

    Hello

    I saw your question and I hope that the link below will help you solve your solution:

    https://Oracle-base.com/articles/Misc/XMLTable-query-XML-data-from-SQL

    If there are problems more made me know I'll like you the exact solution for your query.

    Kind regards

    Vinoth.

  • Extract XML data to a text box

    How could I get the XML data a box?

    Course code: (it will not display anything!)

    var dyoXML:XML = new XML();
    dyoXML.ignoreWhite = true;

    dyoXML.onLoad = {function (success)}
    {if (Success)}
    disemail. Text = This;
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    dyoXML.load ("http://www.myweb.com/mails.php");

    you not set $fin in your php file.  use:

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  • Select the XML data

    Dear all,

    Please find a list of the steps done to read the date of conversion of currency by the last final query, that I can be able to obtain the release of the name of the Bank as the Central Bank, but impossible to extract the time, rates, currency of the XML data.

    Please tell us how to solve the problem.

    CREATE TABLE url_tab

    (

    URL_NAME VARCHAR2 (100),

    SYS URL. URIType

    );

    INSERT INTO url_tab VALUES

    ("This is a test URL',

    sys . UriFactory.getUri ("http://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml" "")

    );

    INSERT into xml_data_tab select sys.xmltype.createXML (u.url.getClob ()) in u url_tab;

    Select Bank_name, xt1.* from

    XMLTable (XMLNamespaces (default 'http://www.ecb.int/vocabulary/2002-08-01/eurofxref', ))

                                   ' ( http://www.GESMES.org/XML/2002-08-01 ' as "gesmes"),

    ' / / gesmes:Envelope'

    FROM (select * from xml_data_tab)

    columns

    Path of varchar2 (100) Bank_name ' / gesmes:Envelope / gesmes:Sender / gesmes:name',

    outer join left perv_t XMLTYPE PATH "Cube/Cube")

    XMLTable (XMLNamespaces ('http://www.gesmes.org/xml/2002-08-01' as "gesmes"), )

    "/ / Cube/Cube."

    FROM (select * from xml_data_tab)

    COLUMNS

    path of varchar2 (100) of rate_date "@time"

    path varchar2 (100) coin "@currency."

    path of rate varchar2 (100) '@rate') xt1 on 1 = 1

    its work for me

    SQL > with xml_data_tab like)

    2. Select XMLType)

    3'http://www.gesmes.org/xml/2002-08-01' xmlns ="http://www.ecb.int/vocabulary/2002-08-01/eurofxref" >. "

    4 reference rate

    5

    6 the European Central Bank

    7

    8

    9

    10

    11

    12

    13

    14

    15

    16

    17

    18

    19

    20

    21

    22

    23

    24

    25

    26

    27

    28

    29

    30

    31

    32

    33

    34

    35

    36

    37

    38

    39

    40

    41

    42

    43 ') as the double DATA

    44)

    45 select Bank_name, xt1. RATE_DATE, xt2.*

    XMLTable 46 (XMLNamespaces (default 'http://www.ecb.int/vocabulary/2002-08-01/eurofxref',

    47'http://www.gesmes.org/xml/2002-08-01"as"gesmes"),"

    48 ' / / gesmes:Envelope'

    49 FROM (select * from xml_data_tab)

    50 columns

    51 way of varchar2 (100) of Bank_name ' / gesmes:Envelope / gesmes:Sender / gesmes:name',

    52 perv_t XMLTYPE PATH 'Cube'):

    53 left outer join XMLTable (XMLNamespaces (default 'http://www.ecb.int/vocabulary/2002-08-01/eurofxref'),

    54                         '*'

    55 in PASSING (h.perv_t)

    56 COLUMNS

    path of varchar2 (100) 57 rate_date "Cube/@time."

    58 rate_data XMLType path ' / / Cube/Cube ') xt1 on 1 = 1

    59 left outer join XMLTable (XMLNamespaces (default 'http://www.ecb.int/vocabulary/2002-08-01/eurofxref'),

    60 ' / / cube/Cube/Cube. "

    61 FROM (select * from xml_data_tab)

    62 COLUMNS

    path of VARCHAR2 (3) currency 63 "@currency."

    number 64 path "@rate" rate) xt2 on 1 = 1;

    BANK_NAME RATE_DATE HEART RATE

    ---------------------------------------- ------------------------- --- ----------

    2015 Central Bank European-12-30 US $ 1.0926

    30-12-2015 of the European Central Bank JPY 131.66

    2015 Central Bank European-12-30 BGN 1.9558

    2015 Central Bank European-12-30 CZK 27.029

    30-12-2015 of the European Central Bank DKK 7.4625

    2015 Central Bank European-12-30 GBP.73799

    30-12-2015 of the European Central Bank HUF 313,15

    2015 Central Bank European-12-30 PLN 4.24

    30-12-2015 of the European Central Bank, RON 4.5296

    2015 Central Bank European-12-30 SEK 9.1878

    2015 Central Bank European-12-30 CHF 1.0814

    BANK_NAME RATE_DATE HEART RATE

    ---------------------------------------- ------------------------- --- ----------

    2015 Central Bank European-12-30 NOK 9.616

    30-12-2015 of the European Central Bank 7.637 HRK

    30-12-2015 of the European Central Bank RUB 79.754

    30-12-2015 of the European Central Bank TRY 3.1837

    2015 Central Bank European-12-30 AUD 1.499

    30-12-2015 of the European Central Bank BRL 4.259

    2015 Central Bank European-12-30 CAD 1.5171

    2015 Central Bank European-12-30 CNY 7.091

    2015 Central Bank European-12-30 HKD 8.4685

    30-12-2015 of the European Central Bank IDR 15081.33

    30-12-2015 of the European Central Bank, ILS 4.2606

    BANK_NAME RATE_DATE HEART RATE

    ---------------------------------------- ------------------------- --- ----------

    30-12-2015 of the European Central Bank INR 72.535

    30-12-2015 of the European Central Bank 1284.79 KRW

    2015 Central Bank European-12-30. 18.8867 MXN

    30-12-2015 of the European Central Bank MYR 4.6887

    2015 Central Bank European-12-30 NZD 1.5959

    30-12-2015 of the European Central Bank PHP 51.281

    30-12-2015 of the European Central Bank SGD 1.5449

    2015 Central Bank European-12-30 THB 39.334

    30-12-2015 of the European Central Bank ZAR 16.8847

    31 selected lines.

  • The value of XML data

    Hi all

    I am Oracle 11 g

    I have XML data as below

    < lines >

    < line-diff op = 'delete' line-stat = "oos" >

    < host rank = "targ" >

    < name of col = 'GUID' val = "7932504" / >

    < name of col = 'SCRTY_ROLE_ID' val = '1' / >

    < name of col = hex "GGROWHASH" = "o" val = 'ffffffffffffffff' / >

    < / row >

    < / line-diff >

    < line-diff op = 'delete' line-stat = "oos" >

    < host rank = "targ" >

    < name of col = 'GUID' val = "7933046" / >

    < name of col = 'SCRTY_ROLE_ID' val = '1' / >

    < name of col = hex "GGROWHASH" = "o" val = 'ffffffffffffffff' / >

    < / row >

    < / rows >

    Need to extract value and show as below

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    Remove 7933046 1

    Please help on this.

    Appreciate your help.

    Thank you

    We can somewhat simplify the XQuery for @Gaz in Oz:

    WITH data(text) AS
(SELECT
        '
            
               
                  
                  
                  
               
            
            
               
                  
                  
                  
               
            
            
               
                  
                  
                  
               
            
     '
FROM dual
)
SELECT r.*
   FROM data x,
        XMLTABLE('rows/row-diff'
                PASSING XMLTYPE(x.text)
                COLUMNS operation     VARCHAR2(12) PATH '@op',
                        guid          NUMBER       PATH 'row/col[@name="GUID"]/@val',
                        scrty_role_id NUMBER       PATH 'row/col[@name="SCRTY_ROLE_ID"]/@val'
               ) r
;
    OPERATION GUID SCRTY_ROLE_ID

    ------------ ---------- -------------

    delete 7932504 1
    delete 7933046 1
    Update 7933999 1

    3 selected lines.

  • Can I create an XSD from XML data into a CLOB?

    Environment:


    Oracle 11.2.0.3 EE on Solaris.


    Highly an XML newbie so please be nice!

    I spent the past few days pouring through the documentation and various articles, including this one, but... I need help.

    I am trying to extract XML data stored in a CLOB and produce a flat file for the user's consumption.

    They sent me what they think is the XSD for XML data, but when I look at the data in the CLOB I don't see tags in the XSD.

    I would like to produce a XSD based on real data to compare with what they sent.

    Is this possible?

    I am able to query XML data using the tags that I see in data using XMLTable and it works fine.

    Any help is greatly appreciated.

    -gary

    Welcome to the side of the world, where you're going to love it and curse, like any other piece of XML technology.

    So if I understand correctly, the scope of your operation is to extract information from an XML file and then write this information to the disk, correct?

    A few questions

    -Why did the XML stored in a CLOB instead of an XMLType column?  Without knowing the history of the system, it is a pertinent question.

    -What size are the XML?  I ask this question, it is because when the XML is stored in the columns of XMLType (relational structure object or XML BINARY SECUREFILE format), then Oracle can parse the XML much more easily when it is stored as a CLOB.  If the XML is small enough, you can see no difference in performance between the two.

    The Oracle DB itself has no built in the ability to generate a schema from an XML file.  To do this, you need to use a third-party tool that has this feature in.  For example, XML Spy can do.  Other tools as well, but that's what comes to mind first is what I use.  The only thing to remember is that the scheme he built is only an XML instance.  Other XML instances can be different and not valid against the schema you generated, but still valid against the original schema unknown.

    You can save the schema in the database and then use the XML to create an XMLType instance related to the schema and then validate the XML in this way.  An example XML DB FAQ and here's another one Re: validation of XML schema

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