ORA-19279 with several children in XML

Similar Questions

• Good way to eliminate a display with the children & listeners object

  It is my function that creates a display object with several children, one is an event listener.

  function makeIt (): void {}

  var spriteA:Sprite = new Sprite();

  var spriteB:Sprite = new Sprite();

  spriteB.addEventListener (MouseEvent.CLICK, myCallback);

  var spriteC:Sprite = new Sprite();

  spriteA.addChild (spriteB);

  spriteB.addChild (spriteC);

  stage.addChild (spriteA);

  }

  Let's say that I'm done with it. What is the right way to dispose of it so that it uses more memory? I do all this?

  spriteB.removeChild (spriteC);

  spriteB.removeEventListener (MouseEvent.CLICK, myCallback);

  spriteA.removeChild (spriteB);

  stage.removeChild (spriteA);

  I read that some people say that you must also assign things to null, then maybe like this? :

  spriteB.removeChild (spriteC);

  spriteC = null;

  spriteB.removeEventListener (MouseEvent.CLICK, myCallback);

  spriteA.removeChild (spriteB);

  spriteB = null;

  stage.removeChild (spriteA);

  spriteA = null;

  And I have a few questions:

  1. what happens if I just removeChild (spriteA) when I'm done with him and call makeIt() later when I need it? Are the same variables being reassigned, so there is no need to clean up after them?

  2. If this display object will be frequently used and removed, would it be better to simply turn spriteA.visible?

  Also, I am familiar with the weak event listeners, but I prefer not to use them.

  removeChild is not deleting anything, whether it is simply detached from the display list... it could very well known as setting the visible property of the object to be both Visual false... the object is still there and can be targeted with the code in both cases.  If you want things get out and be ready for garbage collection, you must remove all references to them and objects Dummies.  If you know that an object is often reused so you probably want to go the road visible from true/false, although using addChild/removeChild can work as well.

• ORA-19279: XPTY0004 - dynamic XQuery type mismatch: expected - singleton sequence got several sequence element

  Hello

  Can you please help me by questioning from the following XML code.

  under query works for the 1 iteration. but for several games I get following error.

  ORA-19279: XPTY0004 - dynamic XQuery type mismatch: expected - singleton sequence got several sequence element

  19279 00000 - "dynamic XQuery type mismatch: expected - singleton sequence got several sequence element.

  * Cause: The sequence of XQuery passed was more than one element.

  * Action: Fix the XQuery expression to return a single element of the sequence.

  Help, please

  Select X.*

  ABC evt

  , XMLTABLE (XMLNAMESPACES ('urn:swift:xsd:mtmsg.2011' AS NS2, DEFAULT 'urn:swift:xsd:fin.970.2011'),

  "$msg_xml" by PASSING EVT.col1 as 'msg_xml '.

  COLUMNS

  Path Varchar (40) F61ValueDate "/ F61/ValueDate [1]."

  Path of DebitCreditMark Varchar (40) "/ / Document/MT970/F61a/F61/DebitCreditMark [1]."

  Amount Varchar (40) path ' / / Document/MT970/F61a/F61/amount [1]. "

  Path of TransactionType Varchar (40) "/ / Document/MT970/F61a/F61/TransactionType [1]."

  Path of IdentificationCode Varchar (40) "/ / Document/MT970/F61a/F61/IdentificationCode [1]."

  Path of ReferenceForTheAccountOwner Varchar (40) "/ / Document/MT970/F61a/F61/ReferenceForTheAccountOwner [1]."

  Path of SupplementaryDetails Varchar (40) "/ / Document/MT970/F61a/F61/SupplementaryDetails [1].

  ) X

  where EVT.col2 = 2

  < FinMessage xmlns = "urn:swift:xsd:mtmsg.2011" xmlns:FinMessage ="urn:swift:xsd:mtmsg.2011" > "
  < Block1 >
  < ApplicationIdentifier > F < / ApplicationIdentifier >
  < ServiceIdentifier > 01 < / ServiceIdentifier >
  < LogicalTerminalAddress > IRVTDEFXAXXX < / LogicalTerminalAddress >
  < open > 5252 < / open >
  < SequenceNumber > 699163 < / SequenceNumber >
  < / Block1 >
  < Block2 >
  < OutputIdentifier > O < / OutputIdentifier >
  < > 970 MessageType < / MessageType >
  < > 1633 InputTime < / InputTime >
  < MessageInputReference >
  < date > 131101 < / Date >
  < LTIdentifier > EBASBEBBQ < / LTIdentifier >
  < BranchCode > XXX < / BranchCode >
  < open > 1113 < / open >
  < n > 070016 < / ISN >
  < / MessageInputReference >
  < date > 131101 < / Date >
  < time > 1634 < / Time >
  < MessagePriority > N < / MessagePriority >
  < / Block2 >
  < Block3 >
  ENS0000857017566 < F108 > < / F108 >
  < / Block3 >
  < canton4 >
  < xmlns = "urn:swift:xsd:fin.970.2011 document" xmlns:Document ="urn:swift:xsd:fin.970.2011" > "
  < MT970 >
  < F20a >
  ENS17566/END of < F20 > < / F20 >
  < / F20a >
  < F25a >
  < F25 > IRVTDEFX/EUR/131101/N < / F25 >
  < / F25a >
  < F28a >
  < F28C >
  < StatementNumber > 215 < / StatementNumber >
  < SequenceNumber > 16 < / SequenceNumber >
  < / F28C >
  < / F28a >
  < F60a >
  < F60M >
  < DCMark > D < / DCMark >
  < date > 131101 < / Date >
  < currency > EUR < / currency >
  < amount > 2686836,28 < / amount >
  < / F60M >
  < / F60a >
  < F61a >
  < F61 >
  < valueDate > 131101 < / ValueDate >
  < DebitCreditMark > D < / DebitCreditMark >
  < amount > 40248, < / amount >
  < TransactionType > S < / TransactionType >
  < IdentificationCode > 103 < / IdentificationCode >
  < ReferenceForTheAccountOwner > FX5445414 < / ReferenceForTheAccountOwner >
  < SupplementaryDetails > KREDBEBBXXXIRVTDEFXXXXN011031 < / SupplementaryDetails >
  < / F61 >
  < / F61a >
  < F61a >
  < F61 >
  < valueDate > 131101 < / ValueDate >
  < DebitCreditMark > D < / DebitCreditMark >
  < amount > 41605, < / amount >
  < TransactionType > S < / TransactionType >
  < IdentificationCode > 103 < / IdentificationCode >
  < ReferenceForTheAccountOwner > FX5443846 < / ReferenceForTheAccountOwner >
  < SupplementaryDetails > DEUTDEFFXXXIRVTDEFXXXXN011031 < / SupplementaryDetails >
  < / F61 >
  < / F61a >
  < F61a >
  < F61 >
  < valueDate > 131101 < / ValueDate >
  < DebitCreditMark > D < / DebitCreditMark >
  < amount > 43730, < / amount >
  < TransactionType > S < / TransactionType >
  < IdentificationCode > 103 < / IdentificationCode >
  < ReferenceForTheAccountOwner > C13110130526301 < / ReferenceForTheAccountOwner >
  < SupplementaryDetails > BARCGB22XXXIRVTDEFXXXXN011033 < / SupplementaryDetails >
  < / F61 >
  < / F61a >
  < F61 >
  < valueDate > 131101 < / ValueDate >
  < DebitCreditMark > D < / DebitCreditMark >
  < amount > 58000, < / amount >
  < TransactionType > S < / TransactionType >
  < IdentificationCode > 202 < / IdentificationCode >
  < ReferenceForTheAccountOwner > FXT1311010000500 < / ReferenceForTheAccountOwner >
  < ReferenceOfTheAccountServicingInstitution > FXT1311010000500 < / ReferenceOfTheAccountServicingInstitution >
  < SupplementaryDetails > BKAUATWWXXXIRVTDEFXXXXN011116 < / SupplementaryDetails >
  < / F61 >
  < / F61a >
  < F61a >
  < F61 >
  < valueDate > 131101 < / ValueDate >
  < DebitCreditMark > D < / DebitCreditMark >
  < amount > 59826,21 < / amount >
  < TransactionType > S < / TransactionType >
  < IdentificationCode > 103 < / IdentificationCode >
  < ReferenceForTheAccountOwner > FX5446070 < / ReferenceForTheAccountOwner >
  < SupplementaryDetails > CHASGB2LXXXIRVTDEFXXXXN011031 < / SupplementaryDetails >
  < / F61 >
  < / F61a >
  < F61a >
  < F61 >
  < valueDate > 131101 < / ValueDate >
  < DebitCreditMark > D < / DebitCreditMark >
  < amount > 60309,4 < / amount >
  < TransactionType > S < / TransactionType >
  < IdentificationCode > 103 < / IdentificationCode >
  < ReferenceForTheAccountOwner > 01987HS016415 < / ReferenceForTheAccountOwner >
  < SupplementaryDetails > EFGBGRAAXXXIRVTDEFXXXXN011458 < / SupplementaryDetails >
  < / F61 >
  < / F61a >
  < F62a >
  < F62M >
  < DCMark > D < / DCMark >
  < date > 131101 < / Date >
  < currency > EUR < / currency >
  < amount > 3736765,9 < / amount >
  < / F62M >
  < / F62a >
  < / MT970 >
  < / document >
  < / canton4 >
  < / FinMessage >

  Thank you

  Siva Prakash

  under query works for the 1 iteration. but for several games I get following error.

  When you want to present the groups repeating in relational format, you must extract the sequence of elements of the main XQuery expression.

  Each element is then spent the COLUMNS clause to be more shredded into columns.

  This should work as expected:

  Select x.*

  ABC t

  xmltable)

  XmlNamespaces)

  default 'urn:swift:xsd:fin.970.2011 '.

  , 'urn:swift:xsd:mtmsg.2011' as 'ns0 '.

  )

  , ' / ns0:FinMessage / ns0:Block4 / Document/MT970/F61a/F61 '

  in passing t.col1

  columns F61ValueDate Varchar (40) Path 'ValueDate '.

  , Path of the DebitCreditMark Varchar (40) "DebitCreditMark".

  , Varchar (40) path 'Amount' rise

  , Path TransactionType Varchar (40) "TransactionType".

  , Path of the IdentificationCode Varchar (40) "IdentificationCode".

  , Path of the ReferenceForTheAccountOwner Varchar (40) "ReferenceForTheAccountOwner".

  , Path of the SupplementaryDetails Varchar (40) "SupplementaryDetails".

  ) x ;

• Dynamic XQuery Type mismatch (ORA-19279)

  Hello

  I'm "ORA-19279: XPTY0004 - dynamic XQuery type mismatch: expected - singleton sequence got several sequence element" error with the XML block below. Query works well when there is no repeating element XML block (address, income and phone). In addition, the query looks good from a performance perspective?

  with the trial as (select xmltype

  ("" < SampleRequest = xmlns:ns0 "http://abc.org/SampleRequest/one" xmlns ="http://abc.org/SampleRequest/one" > ")

  < ns0:Address >

  < ns0:AddressType >

  < CurrAdrInd xmlns = "" > Y < / CurrAdrInd >

  < OutOfAreaInd xmlns = "" > N < / OutOfAreaInd >

  < YearDur xmlns = "" > 15 < / YearDur >

  < MthDur xmlns = "" > 0 < / MthDur >

  < / ns0:AddressType >

  < AdrLine1 xmlns = "" > line 1 < / AdrLine1 >

  < AdrLine2 xmlns = "" > line 2 < / AdrLine2 >

  < AdrLine3 xmlns = "" > line 3 < / AdrLine3 >

  < Name xmlns = "" > city < / name >

  < PostCd xmlns = "" > 123456 < / PostCd >

  < / ns0:Address >

  < ns0:Address >

  < ns0:AddressType >

  < CurrAdrInd xmlns = "" > N < / CurrAdrInd >

  < OutOfAreaInd xmlns = "" > Y < / OutOfAreaInd >

  < YearDur xmlns = "" > 5 < / YearDur >

  < MthDur xmlns = "" > 0 < / MthDur >

  < / ns0:AddressType >

  < AdrLine1 xmlns = "" > line 1 < / AdrLine1 >

  < AdrLine2 xmlns = "" > line 2 < / AdrLine2 >

  < AdrLine3 xmlns = "" > line 3 < / AdrLine3 >

  < Name xmlns = "" > city < / name >

  < PostCd xmlns = "" > 987654 < / PostCd >

  < / ns0:Address >

  < ns0:Customer >

  < TitleCd xmlns = "" > Mr < / TitleCd >

  < FrstName xmlns = "" > customer 1 < / FrstName >

  < midName xmlns = "" / >

  < name xmlns = "" > LAST < / LastName >

  < BrthDt xmlns = "" > 1979-06-21 < / BrthDt >

  < / ns0:Customer >

  < ns0:Income >

  < IncmTypeCd xmlns = "" > gross < / IncmTypeCd >

  < IncmAmt xmlns = "" > 2700 < / IncmAmt >

  < / ns0:Income >

  < ns0:Income >

  < IncmTypeCd xmlns = "" > other < / IncmTypeCd >

  < IncmAmt xmlns = "" > 1500 < / IncmAmt >

  < / ns0:Income >

  < ns0:Telephone >

  < PhnNumTypeCd xmlns = "" > home < / PhnNumTypeCd >

  < PhnAreaCd xmlns = "" > 123 < / PhnAreaCd >

  < PhnNum xmlns = "" > 123467 < / PhnNum >

  < / ns0:Telephone >

  < ns0:Telephone >

  < PhnNumTypeCd xmlns = "" > work < / PhnNumTypeCd >

  < PhnAreaCd xmlns = "" > 987 < / PhnAreaCd >

  < PhnNum xmlns = "" > 9876543 < / PhnNum >

  < / ns0:Telephone >

  < / SampleRequest >

  clob_xml') of double)

  Select x.* from the test,

  XMLTable (xmlnamespaces ('http://abc.org/SampleRequest/one' as "ns0"),)

  ' for $i in /ns0:SampleRequest

  Return $i' from clob_xml

  columns

  path of varchar2 (10) ttl_cd ' / / ns0:Customer / TitleCd',

  path of varchar2 (32) frst_nm ' / / ns0:Customer / FrstName ",

  path of varchar2 (1) mid_nm ' / / ns0:Customer / MidName',

  "path of varchar2 (32) last_nm ' / / ns0:Customer / LastName."

  date path brth_dt ' / / ns0:Customer / BrthDt',

  path of varchar2 (1) curr_adr_ind ' / / ns0:Address / ns0:AddressType / CurrAdrInd',

  path of varchar2 (1) out_of_area_ind ' / / ns0:Address / ns0:AddressType / OutOfAreaInd',

  path number (3) tm_at_adr_year_dur ' / / ns0:Address / ns0:AddressType / YearDur',

  path number (2) tm_at_adr_mth_dur ' / / ns0:Address / ns0:AddressType / MthDur',

  path of varchar2 (32) flat_num ' / / ns0:Address / AdrLine1',

  path of varchar2 (32) hse_num ' / / ns0:Address / AdrLine2',

  path of varchar2 (32) hse_nm ' / / ns0:Address / AdrLine3',

  path of varchar2 (32) town_nm ' / / ns0:Address / name ',

  path of varchar2 (8) post_cd ' / / ns0:Address / PostCd',.

  path of varchar2 (1) incm_type_cd ' / / ns0:Income / IncmTypeCd',

  path number (10) incm_amt ' / / ns0:Income / IncmAmt',

  path of varchar2 (2) phn_num_type_cd ' / / ns0:Telephone / PhnNumTypeCd',

  path of varchar2 (5) phn_num_area_cd ' / / ns0:Telephone / PhnAreaCd',

  path of varchar2 (12) phn_num ' / / ns0:Telephone / PhnNum'

  ) x ;

  Kind regards

  Chandra KenR

  Thanks, that's much clearer this way.

  For example, to retrieve information related to income:

  SQL > select x.*

  tmp_xml 2 t

  3, xmltable)

  4 xmlnamespaces ('http://abc.org/SampleRequest/one' as "ns0")

  5, ' / ns0:SampleRequest'

  6 passage t.object_value

  7 columns

  8 path of varchar2 (10) ttl_cd ' ns0:Customer / TitleCd'

  "9 road to varchar2 (32) frst_nm ' ns0:Customer / FrstName"

  10 road of varchar2 (1) mid_nm ' ns0:Customer / MidName'

  "11 road of varchar2 (32) last_nm ' ns0:Customer / LastName"

  12, date of brth_dt path ' ns0:Customer / BrthDt'

  13, path number (10) grs_incm_amt ' ns0:Income [IncmTypeCd = "Raw"] / IncmAmt'

  14 road number (10) oth_incm_amt ' ns0:Income [IncmTypeCd = 'Other'] / IncmAmt'

  (15) x

  16;

  TTL_CD FRST_NM MID_NM LAST_NM BRTH_DT GRS_INCM_AMT OTH_INCM_AMT

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

  Mr. customer 1 LAST 21/06/1979 2700-1500

  On your question about performance:

  Yes, there are some general guidelines to follow to get the best performance of the execution of XQuery.

  Those are the storage dependent and independent storage, with greater importance of the former.

  For example, in the test case above, I first stored the XML in a binary table of XMLType (TMP_XML): it is an optimization of storage-dependent.

  I also removed all the descendants axis (/ /) for path expressions: those who were not needed and should be avoided if the exact location of the target node is known, this is typically an independent optimization of storage.

  You will find everything you need to know in details here:

  http://www.Oracle.com/technetwork/database-features/xmldb/overview/xmldb-bpwp-12cr1-1964809.PDF

• ORA-19279: dynamic type mismatch query: wait for the singleton sequence

  Hello
  I have my xml stored in the table "xml_table".
  The content of the XML is:
  
  < COMPANY NAME = 'ABC' >
  Paris < DEPARTMENT_NAME > < / DEPARTMENT_NAME >
  < ADDRESS > Nevers Street < / ADDRESS >
  London < DEPARTMENT_NAME > < / DEPARTMENT_NAME >
  Northampton square < ADDRESS > < / ADDRESS >
  < / COMPANY >
  
  I would like to query the XML to get the result like this:
  
  COMPANY_NAME | DEPARTMENT_NAME | ADDRESS
  
  ABC | Paris | Street of nevers
  ABC | London | Northampton square
  
  However when I run the query:
  
  SELECT t.company_name, t.address, t.department_name
  Xml_table p,
  XMLTable ('/ COMPANY' ADOPTION p.OBJECT_VALUE)
  COLUMNS company_name PATH "@NAME."
  address PATH of VARCHAR2 (100) "/ COMPANY/ADDRESS.
  department_name PATH VARCHAR2 (100) "/ COMPANY/DEPARTMENT_NAME ') t
  
  I get the error message:
  ORA-19279: XPTY0004 - dynamic XQuery type mismatch: expected - singleton sequence got several sequence element
  
  What can be wrong with the query? Should Howe be modified to achieve the desired result?
  
  Thanks for the help
  
  Groxy

  Hello

  What can be wrong with the query?

  The XPath expression that you use to map DEPARTMENT_NAME and columns ADDRESS corresponds to a sequence of elements, not a single value.
  For example, "/ COMPANY/ADDRESS" means:

  Rue de nevers
  Northampton Square
  

  In fact, your XML structure is not very suitable for a relational presentation.
  IMO, it would be easier to deal with this form:

  
    
      Paris
      
  Rue de nevers
    
    
      London
      
  Northampton Square
    
  
  

  Like this, you can easily break SERVICE items in separate lines with a simple XPath.

  That being said, perhaps that you have no choice, so here's a query do you want:

  SELECT t.company_name, t.address, t.department_name
  FROM xml_table p,
       XMLTable(
        'for $i in /COMPANY/DEPARTMENT_NAME
         return 
         {
          $i/../@NAME,
          $i,
          $i/following-sibling::ADDRESS[1]
         }
         '
        PASSING p.OBJECT_VALUE
        COLUMNS company_name    VARCHAR2(30)  PATH '@NAME',
                address         VARCHAR2(100) PATH 'ADDRESS',
                department_name VARCHAR2(100) PATH 'DEPARTMENT_NAME'
       ) t
  ;
  

  Each 'virtual' line is built in the XQuery by searching for each DEPARTMENT_NAME and its first element following ADDRESS.

• ORA-19279: dynamic type mismatch XQuery

  For the XML below, the XMLTABLE() is a failure. Please notify.

  < EMPTABLE >

  < EMPLOYEE ENAME = 'Scott' >

  < > 7844 EMPNO < / EMPNO >

  Manager < JOB > < / JOB >

  < SAL > 100000 < / SAL >

  < / EMPLOYEE >

  < EMPLOYEE ENAME = 'King' >

  < EMPNO > 100 < / EMPNO >

  President < JOB > < / JOB >

  < SAL > 200000 < / SAL >

  < / EMPLOYEE >

  < / EMPTABLE >

  SQL > SELECT inv_id, a.EMPName, a.EMPNO, a.Job, a.Sal

  2 FROM invoicexml_col,

  3 XMLTABLE ('/ EMPTABLE')

  4 in PASSING invoicexml_col.inv_doc

  5 COLUMNS

  6 EMPName varchar2 (10) PATH ' / EMPTABLE/EMPLOYEE/ENAME,

  7 EMPNO varchar2 (20) PATH ' / EMPTABLE/EMPLOYEE/EMPNO. "

  8 USE varchar2 (10) PATH ' / EMPTABLE/EMPLOYEE/JOB. "

  9 SAL varchar2 (10) PATH ' / EMPTABLE/EMPLOYEE/SAL.

  (10) a;

  SELECT inv_id, a.EMPName, a.EMPNO, a.Job, a.Sal

  *

  ERROR on line 1:

  ORA-19279: XQuery dynamic type mismatch: expected - singleton sequence had

  sequence of several element

  For the XML below, the XMLTABLE() is a failure. Please notify.

  My advice is: read the documentation to understand works XMLTable:

  http://docs.Oracle.com/database/121/ADXDB/xdb_xquery.htm#ADXDB5097

  You will also need to read a few tutorials XPath/XQuery generalist.

  The error comes because you try to project "stored" in a single column data because the main manifestation of XQuery is wrong.

  The main manifestation of XQuery (noted "XQuery_string" in the doc) is there to define the line template. These data 'line' are then cut into separate relational columns according to what is specified in the clause of COLUMNS:

  SQL> SELECT a.*
    2  FROM invoicexml_col
    3     , XMLTABLE('/EMPTABLE/EMPLOYEE'
    4       PASSING invoicexml_col.inv_doc
    5       COLUMNS
    6          EMPName varchar2(10) PATH '@ENAME'
    7       ,  EMPNO   varchar2(20) PATH 'EMPNO'
    8       ,  JOB     varchar2(10) PATH 'JOB'
    9       ,  SAL     number       PATH 'SAL'
   10       ) a;
  
  EMPNAME    EMPNO                JOB               SAL
  ---------- -------------------- ---------- ----------
  Scott      7844                 Manager        100000
  King       100                  President      200000
  

• ORA-19279: XPTY0004 - dynamic XQuery type mismatch: expected singleton GL entry

  Hello
  My version of db: database Oracle 11 g Enterprise Edition Release 11.2.0.1.0 - 64 bit Production
  
  I run this code:

      SELECT *
      FROM XMLTABLE (
          '/rowset/row/businessgroups'
          PASSING XMLPARSE (DOCUMENT '<?xml version="1.0"?>
  <rowset>
  <row>
  <model>xt100</model>
  <businessgroups>
    <businessgroup>retail</businessgroup>
    <businessgroup>restaurant</businessgroup>
  </businessgroups>
  </row>
  </rowset>')
          COLUMNS businessgroup VARCHAR2(30) PATH 'businessgroup')
  
  error:
  ORA-19279: XPTY0004 - XQuery dynamic type mismatch: expected singleton sequence - got multi-item sequence

  The error is coming as I walked him several elements in the xml file.
  Is it possible to modify the code to get a list of the businessgroups, as below

  output:
  retail
  restaurant

  If I make a few changes in the code, I get the output as below, but I want as above:

  retailrestaurant

  Please advice.

  Connected to Oracle Database 11g Enterprise Edition Release 11.1.0.7.0
  Connected as apps
  
  SQL>
  SQL> SELECT *
    2      FROM XMLTABLE (
    3          '/rowset/row/businessgroups'
    4          PASSING XMLPARSE (DOCUMENT '
    5  
    6  
    7  xt100
    8  
    9    retail
   10    restaurant
   11  
   12  
   13  ')
   14          COLUMNS businessgroup VARCHAR2(30) PATH 'businessgroup')
   15  /
  
  SELECT *
      FROM XMLTABLE (
          '/rowset/row/businessgroups'
          PASSING XMLPARSE (DOCUMENT '
  
  
  xt100
  
    retail
    restaurant
  
  
  ')
          COLUMNS businessgroup VARCHAR2(30) PATH 'businessgroup')
  
  ORA-19279: XPTY0004 - XQuery dynamic type mismatch: expected singleton sequence - got multi-item sequence
  
  SQL>
  SQL>
  SQL> SELECT *
    2      FROM XMLTABLE (
    3          '/rowset/row/businessgroups/businessgroup'
    4          PASSING XMLPARSE (DOCUMENT '
    5  
    6  
    7  xt100
    8  
    9    retail
   10    restaurant
   11  
   12  
   13  ')
   14          COLUMNS businessgroup VARCHAR2(30) PATH '.')
   15  /
  
  BUSINESSGROUP
  ------------------------------
  retail
  restaurant
  
  SQL> 
  

• ORA-19279: XPTY0004 - dynamic XQuery type mismatch

  Hi all
  When I run select it below the statement I had the "ORA-19279: XPTY0004 - dynamic XQuery type mismatch: expected - singleton sequence got several sequence element" oracle error.
  

  select valtag 
    from XMLTABLE( '/root'
                   passing XMLTYPE('<root>
                                                <subroot><valtag>6666446612</valtag></subroot>
                                                <subroot><valtag>6666446613</valtag></subroot>
                                    </root>'
                                   ) 
                  Columns
                        valtag varchar(20) path 'subroot/valtag'
                 ) s

  required result:
  VALTAG
  ---------------
  6666446612
  6666446613

  Please let me know where I made the mistake?
  
  Thank you
  RAM.
  
  Published by: Rama Krishna.CH on November 26, 2012 15:48

  Please let me know where I made the mistake?

  The main manifestation of XQuery (here = ' / root ') defines what will be the relational lines based on the result set.
  (Strictly speaking, this expression must return a sequence of elements)

  Here, so you want the element subroot be your 'line':

  SQL> select s.valtag
    2  from XMLTABLE( '/root/subroot'
    3         passing XMLTYPE('
    4             6666446612
    5             6666446613
    6           ')
    7         Columns
    8            valtag varchar(20) path 'valtag'
    9       ) s
   10  ;
  
  VALTAG
  --------------------
  6666446612
  6666446613
   
  

• Unable to create cache with several tables group

  Hello
  
  I need to create a group of cache with several tables, which are referential to the other.
  
  There are 2 related tables and table 1 child...
  While trying this thing, it gives me an error:
  
  8222: multiple parent tables found
  
  It is not possible to use several tables of root in a single cache group? Is there another way to use it?
  
  Script, I used is:
  
  create a cache group asynchronous writethrough TEST. CG1
  of the TEST. ROOT1)
  KEY PRIMARY ID VARCHAR2 (8 BYTES),
  NAME VARCHAR2 (50 BYTE),
  DESCRIPTION VARCHAR2 (255 BYTE),
  POLICYTYPEID VARCHAR2 (7-BYTE)),
  
  TEST. ROOT2)
  PARAMTYPEID VARCHAR2 (5 BYTES) PRIMARY KEY,
  PARAMETERUSAGE VARCHAR2 (1 BYTE),
  NAME VARCHAR2 (25 BYTE),
  DESCRIPTION VARCHAR2 (255 BYTE)),
  
  TEST. CHILD1)
  PARAMDETAILID NUMBER (20) PRIMARY KEY,.
  ID VARCHAR2 (8 BYTE),
  PARAMETERUSAGE VARCHAR2 (1 BYTE),
  DISPLAYVALUE VARCHAR2 (255 BYTE),
  OPERATORID VARCHAR2 (5 BYTE),
  VENDORID NUMBER (20).
  FOREIGN KEY REFERENCES TEST. ROOT1 (ID),
  TEST KEY (PARAMETERUSAGE) REFERENCES STRANGERS. ROOT2 (PARAMETERUSAGE));

  You can't have multiple root within a group of cache tables. The requirements for tables in the group a cache are very strict; There must be only one top-level (root table) table and there may possibly be several children tables. Tables of the child should be linked through foreign keys to the root table or a child table above in the hierarchy.

  The solution for your case is among the tables of root and the other root table in a separate cache group and the child table in a cache group. If you do this, you must take care of a few things:

  1. you cannot define foreign keys between the tables of groups of different cache in TimesTen (keys may exist in Oracle) so the application must enforce referential integrity itself for these cases.

  2. If you load data in a cache group (using LOAD the GROUP CACHE or "load we demand") and Timesten will not automatically load the corresponding data in the other group of cache (since he doesn't know the relationship). The application must load the data into the other group of cache explicitly.

  There is no problem with transactional consistency when changes are pushed to Oracle. TimesTen maintains and reinforces the coherence transactional regardless of how the tables are arranged in groups cache correctly.

  Chris

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