A PL/SQL query among many does not work

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  Hello
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  can someone help me?
  
  Thank you

  Who must have worked also. Do you all not basic ASCII characters in the path?

  K.

• dynamic query for package does not work

  Dear members,
  
  I have problems with a package in the creation and analysis of a dynamic query in the WHERE clause. Here is an example of what I'm trying to do:
  
  PROCEDURE test_status_proc)
  wtd_cursor ON cur_type
  date_1 IN date
  date_2 IN DATE
  status in VARCHAR2,
  flag in VARCHAR2)
  
  IS
  
  status_sql VARCHAR2 (250): = NULL;
  flag_sql Varchar2 (100): = NULL;
  
  BEGIN
  
  
  Status of the IF = 'A' THEN
  lv_status_sql: = 'A ';
  lv_flag_sql: = 'Y ';
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  Status of the 'I' = IF THEN
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  lv_flag_sql: = 'n';
  END IF;
  
  Status of the 'R' = IF THEN
  lv_status_sql: = "R";
  lv_flag_sql: ='* ';
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  Status of the IF = n THEN
  lv_status_sql: = 'n';
  lv_flag_sql: ='* ';
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  IF status_code = 'IRN' THEN
  "lv_status_sql: = '('' N'','' R'');
  lv_status_sql: = lv_status_sql | ' OR (s.status = s.flag = "A" AND "N")';
  lv_usecalc_sql: ='* ';
  END IF;
  
  Status of the = IF'* ' THEN
  lv_status_sql: ='* ';
  lv_flag_sql: ='* ';
  END IF;
  
  OPEN FOR Test_cursor
  
  SELECT * from test_status s
  WHERE
  s.Daytime BETWEEN date_1 AND date_2
  S.status AND decode (lv_status_sql,'* ', s.status, lv_status_sql)
  S.flag AND decode (lv_flag_sql,'* ', s.flag, lv_flag_sql);
  
  The problem I have is especially with the condition 'IRN '. The suite WHERE the part of the clause looks like the following in the lv_status_sql, but the query returns all the values:
  
  -(', 'R') OR (s.status = 'A' AND s.flag =' only)
  
  Any help would be much appreciated.
  
  Kind regards

  dreporter wrote:

  Thanks for your reply and I completely understand your frustration. The problem is sometimes it is very difficult to describe all of the problem due to several reasons. Please take a look at my last post to see if that makes sense.

  If you really need SQL dynamic - true dynamic SQL which includes dealing with dynamic number of bind variables - then DBMS_SQL are an excellent interface to use.

  You can generate the dynamic SQL statement based on the question of whether the filter criteria is null (do not use) or not null (use as a predicate). For example

  if someParam10 is not null then
    // someParam10 needs to be used as a filter predicate
    dynamicSQL := dynamicSQL || ' and some_col_10 = :someParam10 ';
  end if;
  

  This statement can then be analyzed using the DBMS_SQL interface. The binding of values uses the same logic that was used to create predicates. For example

  if someParam10 is not null then
    // someParam10 is used and needs to be bound
    DBMS_SQL.Bind( myCursor, 'someParam10', someParam10 );
  end if;
  

  So, with this approach simplistic, you can easily create a dynamic SQL with variable predicates, dynamically bind these and run the slider.

  Bind variables are used in the dynamic SQL statements, as there are very few threats of SQL injection. And the basic principles observed for shareable SQL creation - the same set of parameters not null to filter, will result in the same SQL statement, which allows the cursor within the Pool shared for this SQL statement to be reused.

  So, technically, dynamic SQL is not a major problem (if used correctly). The major problem is that if really necessary to address the requirements of the business at hand.

  The problem I have with many comments here want to use dynamic SQL statements, is that it is used as one would use a file i/o interface.

  For file IO you want standard Open(), Read(), Write() and Close() calls. And you, the appellant, simply pass the name of the file and the data to write or to receive the data read.

  Similarly, these posters want to use SQL to open a table and read and write the data column - and do it by calling simply (and dynamically) by specifying the name of the table and column. Approaches to dynamic SQL based on one such concept is wrong. And shows that much of the ignorance of what a RDBMS is and how to use an RDBMS.

• What is the problem with this query? exception does not work.

  DECLARE
  v_employee_id EMPLOYEES. EMPLOYEE_ID % TYPE;
  v_last_name EMPLOYEES. LAST_NAME % TYPE;
  v_salary EMPLOYEES. % SALARY TYPE.
  e_invalid_emp EXCEPTION;
  BEGIN
  SELECT last_name, salary v_employee_id, v_last_name, v_salary, employe_id
  EMPLOYEES where employee_id = & employee_id;
  
  IF SQL % NOTFOUND THEN
  RAISE e_invalid_emp;
  END IF;
  
  DBMS_OUTPUT. Put_line(v_employee_id||) e '|| v_last_name | » '|| v_salary);
  
  EXCEPTION
  WHEN e_invalid_emp THEN
  DBMS_OUTPUT. Put_line ("' employee not found...");
  END;
  /
  

• Case change keyboard shortcut does not work in the PL/SQL Editor

  I use the keyboard shortcut CTRL - SHIFT-"quite a bit to change the case of the code. I'm in the latest version of EA and this shortcut does not work for me in the PL/SQL Editor, but still does not work in SQL Editor. You do not know if this is normal or not, but miss me it.

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• order by desc or ASC does not work with rownum

  SQL> desc offer
   Name                                      Null?    Type
   ----------------------------------------- -------- ----------------------------
   OFFER_ID                                  NOT NULL NUMBER(14)
   DOMAIN_ID                                          NUMBER(14)
   OFFERDATE                                          TIMESTAMP(0)
   CONTACTPERSON                                      VARCHAR2(36)
   EMAIL                                              VARCHAR2(50)
   TEL                                                VARCHAR2(23)
   CATEGORY                                           NUMBER(2)
   AMOUNT                                             NUMBER(5)
   STATUS                                             NUMBER(2)
  
  
  SQL> ed
  Wrote file afiedt.buf
  
    1  select to_char(offerdate,'dd-Mon-yyyy'),
    2     offer_id,
    3     amount
    4  from
    5     offer
    6  where
    7     domain_id=1
    8     and amount is not null
    9* order by offerdate desc
  SQL> /
  
  TO_CHAR(OFF   OFFER_ID     AMOUNT
  ----------- ---------- ----------
  27-Apr-2010          4         55
  26-Apr-2010          5         45
  26-Apr-2010          3         50
  26-Apr-2010          2         45
  
  /*****These may be Ten thousand rows*****/

  When you add a'm rownum < 2 order by asc or desc in my query, then it does not work.
  

  SQL> ed
  Wrote file afiedt.buf
  
    1  select to_char(offerdate,'dd-Mon-yyyy'),
    2     offer_id,
    3     amount
    4  from
    5     offer
    6  where
    7     domain_id=1
    8     and amount is not null
    9  and
   10     rownum<2
   11* order by offerdate desc
  SQL> /
  
  TO_CHAR(OFF   OFFER_ID     AMOUNT
  ----------- ---------- ----------
  26-Apr-2010          5         45
  
  SQL> ed
  Wrote file afiedt.buf
  
    1  select to_char(offerdate,'dd-Mon-yyyy'),
    2     offer_id,
    3     amount
    4  from
    5     offer
    6  where
    7     domain_id=1
    8     and amount is not null
    9  and
   10     rownum<2
   11* order by offerdate asc
  SQL> /
  
  TO_CHAR(OFF   OFFER_ID     AMOUNT
  ----------- ---------- ----------
  26-Apr-2010          5         45

  I just want to display a disc of DB offerDate wise
  
  Thank you in anticipation

  Try this

  select to_char(offerdate,'dd-Mon-yyyy'),
         offer_id,
         amount
      from(
      select to_char(offerdate,'dd-Mon-yyyy'),
         offer_id,
         amount
      from
  
         offer
      where
         domain_id=1
         and amount is not null
  
         order by offerdate asc)
  where  rownum<2
  

  Published by: user12984479 on April 27, 2010 04:34

• Why my XMLTable function does not work?

  Hello

  I'm reading my XML document using a function XMLTable, because a repetition of elements may occur. I wrote a SQL script to test this feature, but it does give me the desired output. This is my script. I use a shadow table PETER_XML to pass the value to the function XMLTable. I would have rather done it directly with a PL/SQL variable, but it does not work.

  CREATE TABLE PETER_XML (AVY XMLTYPE);

  Set serveroutput size 100000
  set echo on
  Set of feedback on

  declare

  cursor c_avy is
  SELECT XMLRESPONSE. DepartureStation' DEPARTURE,
  XMLRESPONSE. "" Flight "FLIGHTNR
  OF PETER_XML.
  XMLTABLE (XMLNameSpaces ('http://schemas.navitaire.com/WebServices' as "web", ))
                                ' http://schemas.xmlsoap.org/SOAP/envelope/ "as"soapenv", "
                                ' http://schemas.Navitaire.com/webservices/servicecontracts/BookingService ' as 'book',
                                ' http://schemas.Navitaire.com/webservices/DataContracts/booking ' as "Book1",
                                ' http://schemas.Microsoft.com/2003/10/Serialization/Arrays ' as "arr",
                                ' http://schemas.Navitaire.com/webservices/DataContracts/common/enumerations ' as 'enum',
                                ' http://schemas.Navitaire.com/webservices/servicecontracts/BookingService ' as 'ns0',
                                ' ( http://schemas.Navitaire.com/webservices/DataContracts/Booking ' as 'ns1'),
  ' / / GetAvailabilityRequest/TripAvailabilityRequest/AvailabilityRequests/AvailabilityRequest.
  PETER_XML OF PASSAGE. AVY
  COLUMNS
  "DepartureStation' VARCHAR2 (3) path"DepartureStation. "
  'Flight' varchar2 (4) WAY 'flight '.
  ) XMLRESPONSE.

  "" "clob l_response: = ' < soapenv:Envelope xmlns:soapenv ="http://schemas.xmlsoap.org/soap/envelope/"xmlns:web ="http://schemas.navitaire.com/WebServices"xmlns:book ="http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService"xmlns:book1 ="http://schemas.navitaire.com/WebServices/DataContracts/Booking"xmlns:arr ="http://schemas.microsoft.com/2003/10/Serialization/Arrays"xmlns:enum ="http://schemas.navitaire.com/WebServices/DataContracts/Common/Enumerations">" "
  < soapenv:Header >
  bnuOiHCVb3k < web: Signature > = | GX + eTRcZ5ABozAy8MosBFwagyUw7zrRXf1iprmw9Q4W17wt8SDpjYV2HwZRGIHYtE46UFBJw/aFyKVqjToEAfSTfh7cePm4r9JJwcIveDc75NuxnzoY14pKC + WLYDzE0MaALra4i/tI = < / web: Signature >
  < web: ContractVersion > 340 < / web: ContractVersion >
  < / soapenv:Header >
  < soapenv:Body >
  < ns0:GetAvailabilityRequest xmlns:ns0 = "http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService" > ""
  < ns1:TripAvailabilityRequest xmlns:ns1 = "http://schemas.navitaire.com/WebServices/DataContracts/Booking" > ""
  < ns1:AvailabilityRequests >
  < ns1:AvailabilityRequest >
  < ns1:DepartureStation > AMS < / ns1:DepartureStation >
  < ns1:ArrivalStation > CTA < / ns1:ArrivalStation >
  < ns1:BeginDate > 2013-07-13 T 00: 00:00 < / ns1:BeginDate >
  < ns1:EndDate > 2013-07-13 T 00: 00:00 < / ns1:EndDate >
  < ns1:CarrierCode > HV < / ns1:CarrierCode >
  < ns1:FlightNumber > 547 < / ns1:FlightNumber >
  < ns1:FlightType > all < / ns1:FlightType >
  < ns1:PaxCount > 1 < / ns1:PaxCount >
  < ns1:Dow > by day < / ns1:Dow >
  < ns1:CurrencyCode > EUR < / ns1:CurrencyCode >
  < ns1:DisplayCurrencyCode > EUR < / ns1:DisplayCurrencyCode >
  <!-ns1:SourceOrganization > COO < / ns1:SourceOrganization->
  < ns1:MaximumConnectingFlights > 0 < / ns1:MaximumConnectingFlights >
  < ns1:AvailabilityFilter > by default < / ns1:AvailabilityFilter >
  < ns1:ProductClassCode > NG < / ns1:ProductClassCode >
  < ns1:SSRCollectionsMode > None < / ns1:SSRCollectionsMode >
  < ns1:InboundOutbound > so < / ns1:InboundOutbound >
  < ns1:NightsStay > 0 < / ns1:NightsStay >
  < ns1:IncludeAllotments > true < / ns1:IncludeAllotments >
  < ns1:FareTypes >
  < ns2:string xmlns:ns2 = "http://schemas.microsoft.com/2003/10/Serialization/Arrays" > T < / ns2:string>
  < / ns1:FareTypes >
  < ns1:PaxPriceTypes >
  < ns1:PaxPriceType >
  < ns1:PaxType > ADT < / ns1:PaxType >
  < / ns1:PaxPriceType >
  < / ns1:PaxPriceTypes >
  < ns1:JourneySortKeys >
  < ns2:JourneySortKey xmlns:ns2 = "http://schemas.navitaire.com/WebServices/DataContracts/Common/Enumerations" > EarliestDeparture < / ns2:JourneySortKey>
  < / ns1:JourneySortKeys >
  < ns1:IncludeTaxesAndFees > false < / ns1:IncludeTaxesAndFees >
  < ns1:FareRuleFilter > by default < / ns1:FareRuleFilter >
  < ns1:LoyaltyFilter > MonetaryOnly < / ns1:LoyaltyFilter >
  < ns1:TravelClassCodeList >
  < ns2:string xmlns:ns2 = "http://schemas.microsoft.com/2003/10/Serialization/Arrays" > Y < / ns2:string>
  < / ns1:TravelClassCodeList >
  < / ns1:AvailabilityRequest >
  < / ns1:AvailabilityRequests >
  < ns1:LoyaltyFilter > MonetaryOnly < / ns1:LoyaltyFilter >
  < / ns1:TripAvailabilityRequest >
  < / ns0:GetAvailabilityRequest >
  < / soapenv:Body >
  < / soapenv:Envelope > ';

  Start

  dbms_output.put_line ('Start');
  insert into peter_xml (avy) values (XMLTYPE (l_response));

  
  dbms_output.put_line ('Insert processed' | to_char (sql % rowcount) |) "lines.") ;

  for r_avy loop c_avy

  dbms_output.put_line ('Start' | r_avy.departure |) "Flightno. ' | r_avy.flightnr);

  end loop;

  end;
  /

  Rollback;

  The script works well, but the problem is that I don't get any kind of output the cursor of the loop for. When I speak to elements using "ns1:etc", I get an error, which suggests that the service is actually read the XML. Since there was no way out, I started to including all these XMLNameSpaces.

  Can someone let me know what Miss me?

  And if I can pass the value to a PL/SQL variable, it would save me the use of a fictitious table. That would be nice.

  Thanks in advance.

  Peter

  Hi Peter,.

  Since there was no way out, I started to including all these XMLNameSpaces.

  All these namespaces have a meaning, do not blindly, include them but if you do, use.

  The main manifestation of XQuery does not reference all the necessary namespaces.

  Here is a simplified version that gives the expected results.

  Please note that I only use namespaces I want to solve the XQuery:

  declare

  c_avy (p_xmlresponse in xmltype) cursor is

  Select x.DEPARTURE

  x.FLIGHTNR

  from xmltable)

  XmlNamespaces)

  "http://schemas.xmlsoap.org/soap/envelope/" as "SOAP."

  , 'http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService' as 'ns0 '.

  , "http://schemas.navitaire.com/WebServices/DataContracts/Booking" as "ns1."

  )

  , ' /: soap envelope / soap: Body / ns0:GetAvailabilityRequest / ns1:TripAvailabilityRequest / ns1:AvailabilityRequests / ns1:AvailabilityRequest'

  passage p_xmlresponse

  columns

  Trajectory of DEPARTURE VARCHAR2 (3) 'ns1:DepartureStation '.

  , Path of varchar2 (4) FLIGHTNR 'ns1:FlightNumber '.

  ) x ;

  "" l_response clob: = "http://schemas.xmlsoap.org/soap/envelope/" xmlns:web ="http://schemas.navitaire.com/WebServices" xmlns:book = "http://schemas.navitaire.com/WebServices/ServiceContracts/BookingService" xmlns:book1 ="http://schemas.navitaire.com/WebServices/DataContracts/Booking" xmlns:arr = "http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:enum ="http://schemas.navitaire.com/WebServices/DataContracts/Common/Enumerations" > ""

  bnuOiHCVb3k = | GX + eTRcZ5ABozAy8MosBFwagyUw7zrRXf1iprmw9Q4W17wt8SDpjYV2HwZRGIHYtE46UFBJw/aFyKVqjToEAfSTfh7cePm4r9JJwcIveDc75NuxnzoY14pKC + WLYDzE0MaALra4i/tI =.

  340

  http://schemas.Navitaire.com/webservices/servicecontracts/BookingService">

  http://schemas.Navitaire.com/webservices/DataContracts/booking">

  AMS

  CTA

  2013-07-13 T 00: 00:00

  2013-07-13 T 00: 00:00

  HV

  547

  All the

  1

  Every day

  EUR

  EUR

  0

  By default

  NG

  None

  Both

  0

  true

  http://schemas.Microsoft.com/2003/10/Serialization/Arrays "> T"

  ADT

  http://schemas.Navitaire.com/webservices/DataContracts/common/enumerations "> EarliestDeparture"

  fake

  By default

  MonetaryOnly

  http://schemas.Microsoft.com/2003/10/Serialization/Arrays "> Y"

  MonetaryOnly

  ';

  Start

  for r_avy in c_avy (xmltype (l_response)) in a loop

  dbms_output.put_line ('Start' | r_avy.departure |) "Flightno. ' | r_avy.flightnr);

  end loop;

  end;

  /

  In fact, you don't need an intermediate table for this requirement. However, and according to your version of db, store the XML in a binary XMLType table can significantly improve performance.

  For makers in small, you probably won't see a difference between the two approaches, but just so you know in the case where you have to face in the future with big XMLs.

• SQL query simple SQL Developer takes, the wizzard of XE does not work

  Hello everyone
  
  I wrote this simple query that developer SQL works well, but when I try to run a report based on this sql query, it tells me invalid sql statement. It's true, maybe it's not valid because this IF clause in there... but Developer SQL seems to be very tolerant or includes more...
  
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  at oracle.jbo.dt.jdevx.ui.editors.view.VoeSqlPage.invokeEditSqlDialog(VoeSqlPage.java:592)

  at oracle.jbo.dt.jdevx.ui.editors.view.VoeSqlPage.performAction(VoeSqlPage.java:935)

  at oracle.jbo.dt.ui.main.controls.DtcAction.actionPerformed(DtcAction.java:47)

  at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)

  in javax.swing.AbstractButton$ Handler.actionPerformed (AbstractButton.java:2318)

  at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)

  at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)

  at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)

  at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:273)

  at java.awt.Component.processMouseEvent(Component.java:6289)

  at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)

  at java.awt.Component.processEvent(Component.java:6054)

  at java.awt.Container.processEvent(Container.java:2041)

  at java.awt.Component.dispatchEventImpl(Component.java:4652)

  at java.awt.Container.dispatchEventImpl(Container.java:2099)

  at java.awt.Component.dispatchEvent(Component.java:4482)

  at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)

  at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)

  at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)

  at java.awt.Container.dispatchEventImpl(Container.java:2085)

  at java.awt.Window.dispatchEventImpl(Window.java:2478)

  at java.awt.Component.dispatchEvent(Component.java:4482)

  at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:644)

  to java.awt.EventQueue.access$ 000 (EventQueue.java:85)

  in java.awt.EventQueue$ 1.run(EventQueue.java:603)

  in java.awt.EventQueue$ 1.run(EventQueue.java:601)

  at java.security.AccessController.doPrivileged (Native Method)

  in java.security.AccessControlContext$ 1.doIntersectionPrivilege(AccessControlContext.java:87)

  in java.security.AccessControlContext$ 1.doIntersectionPrivilege(AccessControlContext.java:98)

  in java.awt.EventQueue$ 2.run(EventQueue.java:617)

  in java.awt.EventQueue$ 2.run(EventQueue.java:615)

  at java.security.AccessController.doPrivileged (Native Method)

  in java.security.AccessControlContext$ 1.doIntersectionPrivilege(AccessControlContext.java:87)

  at java.awt.EventQueue.dispatchEvent(EventQueue.java:614)

  at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)

  at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)

  at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)

  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)

  at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)

  at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

  Any idea on what could be the problem?

  The question seems to be to the JDBC data source that we define in the configuration Module of the Application screen. We have a JNDI to data source, and somehow at design time, the your do not work with it. Currently, I change that to a local data source, the tester of VO, requeteur all work fine.

• Why this SQL does not work?

  The following code does not work when I try to delete rows from a table of test. The test table has no unique or primary key on it and is defined as test (identification number). Can you explain to me why it doesn't work?
  

  
  

  delete from test a where a.rowid in (select b.rowid from test b where b.id = a.id and b.rowid != a.rowid);

  
  

  
  

  
  

  When I run the subquery (selection) with replacement of the actual values of a.rowid and the table queried a.id (IE.select b.rid from test2 b where b.id = 1 and b.rid != 'XXX'

  ), the subquery returns exactly as expected (that is to say, it gives the rowid is different from that which went from subquery). And as although I know the internal subquery must return the result for each row of the table in the outside circle delete statement, and only after that should execute the delete statement. For example, for the first row of the table in the external suppression, the delete statement must send the ID of the first row in the internal subquery and then wait the result which should return. And then runs the delete statement, in which case the subquery must return the rowid is different from that which went from subquery (ie.

  b.rowid != a.rowid

  ). Am I wrong? What is the error in this statement.
  
  

  
  

  P.S. The sql is also not working if we replace remove it with the update or select
  

  in this case, the subquery must return the rowid is different from that which went from subquery (IE.

  b.rowid != a.rowid

  ). Am I wrong? What is the error in this statement.

  You are right that this subquery should return other than past rowid thr. But you used the IN clause as well as below:

  where a.rowid in

  What States remove the line if rowid returned by the subquery contains the identifier for the row whose ID was passed. As the inner query is to return another rowid, therefore, no row is deleted.

  To remove duplicate lines, try the query (Replace tablename/columns with your) below:

  DELETE FROM emp A

  WHERE A.ROWID > ALL (SELECT B.ROWID

  PEM'S B

  WHERE A.empno = B.empno);

• Query with a subquery should return a value but does not work

  When I run this SQL, it does not return value:
  
  SELECT vfn.cat
  OF vfn, valid_fishery vf vps_fishery_ner
  WHERE vfn.plan = vf.plan
  AND vfn.cat = vf.cat
  AND vf.permit_year = 2010
  AND vf.moratorium_fishery 't ='
  AND vfn.vp_num = 211652
  AND vfn.ap_year = 2010
  AND vfn.plan = 'MUL '.
  AND vfn.date_issued = (SELECT MAX (date_issued)
  OF vps_fishery_ner
  WHERE vp_num = 211652
  AND ap_year = 2010);
  
  To test, I remove the subquery and run it separately:
  SELECT MAX (date_issued)
  OF vps_fishery_ner
  WHERE vp_num = 211652
  AND ap_year = 2010;
  
  Returns 2 April 10
  
  Then I paste the date into the original query (using her TRUNCATES the function, of course, since I'm only part DDMMYY hardcode the date):
  
  SELECT vfn.cat
  OF vfn, valid_fishery vf vps_fishery_ner
  WHERE vfn.plan = vf.plan
  AND vfn.cat = vf.cat
  AND vf.permit_year = 2010
  AND vf.moratorium_fishery 't ='
  AND vfn.vp_num = 211652
  AND vfn.ap_year = 2010
  AND vfn.plan = 'MUL '.
  AND TRUNC (date_issued) = TO_DATE('02-APR-10');
  
  And returns the required value, "A".
  
  So why the complete query with a subquery does not work, if the value returned by the subquery is valid and works when you just pasted in there?
  Thank you.

  Hello

  Maybe you should include this in the subquery as well?

  AND vfn.plan = 'MUL'
  

• Correlation query does not work

  create the table cust_age_sal (cust_id integer, integer whole age of sal);

  create the table new_cust_age_sal (cust_id integer, integer whole age of sal);

  insert into cust_age_sal values (1,10,100);

  insert into cust_age_sal values (2,20,200);

  insert into cust_age_sal values (3,30,300);

  insert into cust_age_sal values (4,40,400);

  commit;

  insert into new_cust_age_sal values (2,21,201);

  insert into new_cust_age_sal values (3,31,301);

  commit;

  
  

  Question

  I want to update cust_age_sal using the customer_id which are present in the new_cust_age_sal;

  I use queries, query1 and query2. Query1 is working and I get results and I want to know what is the problem with query2 and why it does not work

  Query1:

  UPDATE cust_age_sal u

  SET (age, sal) =

  (

  SELECT age, sal

  OF new_cust_age_sal

  WHERE cust_id = u.cust_id

  )

  where u.cust_id in (select cust_id from new_cust_age_sal)

  ---

  query2:

  UPDATE cust_age_sal

  SET (age, sal) =

  (

  SELECT age, sal

  OF new_cust_age_sal

  WHERE cust_id = u.cust_id

  )

  Hello

  2742751 wrote:

  It is except o/p I'm looking

  O/p: except

  I think you want to say "whereas", not "excluded".

  CUST_ID AGE SAL

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

  1                      10                     100

  2                      21                     201

  3                      31                     301

  4                      40                     400

  But when I run under query that is show below output even if I use the join on the target table condition. Why is it show empty for CUST_ID = 1 and 4

  UPDATE cust_age_sal u

  SET (age, sal) =

  (

  SELECT age, sal

  OF new_cust_age_sal

  WHERE cust_id = u.cust_id

  )

  CUST_ID AGE SAL

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

  1

  2                      21                     201

  3                      31                     301

  4

  A UPDATE instructions without WHERE clause will update with each row in the table.

  In the case of cust_id = 1, what will that do?  Well, what makes the following query?

  SELECT age, sal

  OF new_cust_age_sal

  WHERE cust_id = 1;

  ?  It produces no line.  When you use a subquery in a SET of an UPDATE statement clause (as you do) and the subquery returns no rows, then updated the columns with a NULL value.

  If you don't want to update all rows, but want lines updates which fulfil certain conditions (for example, have a corresponding row in new_cust_age_sal), and then use a WHERE clause in the UPDATE statement, as you did in your first UPDATE statement.

  Instead of an UPDATE statement, you can also use a MERGE statement, like this:

  MERGE INTO dst cust_age_sal

  With the HELP of new_cust_age_sal CBC

  WE (dst.cust_id = src.cust_id)

  WHEN MATCHED THEN UPDATE

  SET dst.age = src.age

  dst.sal = src.sal,

  ;

  In this way, you don't need to repeat what is essentially the same subquery in the GAME and WHERE clauses.

• reset_image_prefix. SQL does not work

  Hello

  My DB has two instances with two different versions of the top charge. One is the version 4.1.1 (works well) and I decided to upgrade the other 4.1.1 to 4.2. I created a new location in the httpd.conf file entry in my case of OSH to point to the new instance 4.2 referencing a new Alias image on the server. When I installed APEX 4.2 I showed the images the New Alias directory setting "i42' but it does not work. Applications always refer to is

  I ran the script reset_image_prefix.sql with /i42/ as an input parameter, but the applications are always reference/i /.

  There was a similar discussion in October 2012 and Patrick Wolf wrote on bug # 14785456.

  But the BUG seems to be fixed?

  After executeing the script Iget:

  SQL > select text from dba_source where owner = 'APEX_040200' and lower (name) = "wwv_flow_image_prefix";

  TEXT

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

  package wwv_flow_image_prefix

  is

  constant g_image_prefix VARCHAR2 (255): = ' / i42 / ";

  end wwv_flow_image_prefix;

  4 selected lines.

  Is there a solution?

  Kind regards

  Carola

  Hi Carola,

  What exact version of APEX 4.2 do you use? Are you using the latest 4.2.2? Because it includes the hotfix that you referenced. After installation of this version or the patch installed, it will automatically erase all the prefixes image-level asks if they are identical to the current instance image prefix. So in your case, you should set the prefix image back to / i /, install the hotfix and then reset_image_prefix again to set the parameter instance/i42.

  Joel has some useful information on this blog (YABAOAE) yet another Blog about Oracle Application Express: prefix of Image Exchange in Oracle Application Express 4.2.2

  Some background info on reset_image_prefix.sql. Who has never changed the image prefix used in applications, only the prefix of image for our application Builder.

  Concerning

  Patrick

  Member of the APEX development team

  My Blog: http://www.inside-oracle-apex.com

  APEX Plug-Ins: http://apex.oracle.com/plugins

  Twitter: http://www.twitter.com/patrickwolf

  Post edited by: PatrickWolf

• Query does not work on my iPad (was: media query question)

  I am a site for mobile/tablet/Office of coding and while my office and the iphone respond to the CSS, my ipad does not work. The changes that I do take the tablet in dreamweaver, but when they go live the ipad does not. Of course, my media query must be incorrect, but I can't understand the question. Any help is very appreciated.

  http://gbetza.mydomain.com/WebService2/test/KathrynFee/2014/profile.html

  Thank you.

  Yes.  It is inevitable because smart phones are getting bigger while tablets are smaller & more.  He's always going to be some crossover.   Think of it this way, when a Tablet is behaving as a mobile device, he takes over the mobile network.  When the shelf behaves more like a desktop computer, you need the layout of office.

  Similarly, a great smartphone in landscape mode is likely to resemble the layout of your tablet.

  See the FluidGrid example below:

  http://ALT-Web.com/FluidGrid/Fluid2.html

  Office = 4-col layout

  Tablet = 2-col layout

  Mobile = 1-col layout

  For purposes of illustration, I added a thick border of gold at the disposal of the Tablet only.

  / * Tablet Layout: 481px to 768px. Inherits the styles of: Mobile layout. */

  @media only screen and (min-width: 481px) and (max-width: 768px) {}

  .gridContainer {width: 92%; border: 16px solid gold}

  }

  Nancy O.