How to edit or change a stored procedure?

Similar Questions

• How to create temporary tables in stored procedures.

  Hello
  
  I am new to oracle, I have a requirement where I need to run a query in a loop for different values of where condition. Here, I need to record the results of the query on each iteration. After the end of the loop, I need to send the results to the front end. I did a lot of research for the concept of the temporary table in oracle, but I found myself unresolved except headaches. Everyone is showing how to create temporary tables in general but not in stored procedure.
  
  Bad, I need the concept of temporary tables, or is there an alternative way to store temporary results. My procedure looks like this.
  
  create or replace
  procedure uspMatchCode (parWord varchar2, p_recorderSet to types.cursor_type)
  as
  smallint parCnt;
  Start
  parcnt: = 0;
  Select count (1) in parCnt of...;
  If parcnt > 0 then
  Open for P_recorderSet
  Select field1, field2, field3,... of table1, table2, table2 where < < condition > >
  on the other
  -Here, I want to create a temporary table and store the result for the loop shape into the temporary table.
  CREATE TEMPORARY TABLE global my_temp_table (NUMBER of Column1, Column2) ON COMMIT DELETE ROWS.
  FOR parCnt in 0.3
  loop
  INSERT into my_temp_table select Field1, Field2, field3,... from table1, table2, table2 where < < condition > >
  end loop;
  Open for P_recorderSet
  Select * from < < temporary table > >
  end if;
  end;
  
  Any help would be great to check me on the problem.
  
  Thank you
  Kiran.

  This is a change to the query Kiss has posted:

  with data_text like)
  Select regexp_substr (' sales financing marketing ',' [^] +', 1, level ") val
  of tconnect by level<= length('sales="" finance="" marketing')-="" length(replace('sales="" finance="" marketing','="">
  )
  Select * from t, data_text, where t.colname like '% "| data_text. Val |' %'

  This will help you. Please change the column names and the name of the table as a result

• How can I automatically run a stored procedure when a report is called?

  I've created a classic report on a table (without screen). When I go to this report, I would like to the stored procedure that deletes and inserts information about the table that is based on the report has been started automatically. Where and how can I do to put the call to the stored procedure that the report displays the data once the report is called?

  Thank you!

  Mark1970 wrote:

  I've created a classic report on a table (without screen). When I go to this report, I would like to the stored procedure that deletes and inserts information about the table that is based on the report has been started automatically. Where and how can I do to put the call to the stored procedure that the report displays the data once the report is called?

  Create a page of PL/SQL process by calling the procedure with a Point process On Load - front of regions.

  The report is based on a global temporary table?

• How to execute a pl/sql stored procedure as a concurrent program

  Hi all
  
  
  I created a PURGE_DEAL_REQUESTS package. It contains a QPR_DELETE_CANCELLED_REQUESTS procedure. I want to execute this stored procedure as simultaneous program in suite ebs...
  
  Can someone tell me how to perform this procedure as a simultaneous program (in the suite of BSE)...?
  
  
  Thank you
  Swathi.

  Switch to the responsibility at the request of the group to which you assigned the request of Conurrent.
  Navigate to view > query > submit a new request to the toolbar.

  Kind regards
  Ousseni

• How to return a value from stored procedure.

  Hello
  
  I have an insert in which insert a username through generated sequence number.
  
  I need this generated sequence number stored procedure return.
  
  Kindly help me to achieve this goal.
  
  It might be useful if there is a code sample for the same thing.
  
  Thank you
  Ahmed Shareefuddin

  Something like this:

  create or replace procedure xproc (num out number) is
  begin
   insert into mytab values (myseq.nextval);
   select myseq.currval into num from dual;
  end;
  /
  

  Max
  http://oracleitalia.WordPress.com

• Export list of all the stored procedures in the database settings.

  Hello
  
  How to export the settings all stored procedures in the database list(IN / OUT).
  
  Thank you
  
  Published by: Shema on August 8, 2012 06:28

  select * from ALL_ARGUMENTS;
  

• CFPROCPARAM and stored procedure

  Hello

  I tried to use the MSSQL stored procedure in combination with ColdFusion 9. I use the cfprocparam to transmit data to the stored proc. If I do it in the order how they are declared in the stored procedure, it works fine. But how can I transmit the data with named variables? It was the 'dbvarname' function, but I guess it's obsolete now. Do I have to use the same order in my ColdFusion component? Which makes it quite difficult to manage. I hope there is a solution for transmitting data with named variables.

  Thanks for the replies.

  Does this mean I can't use variables for stored procedures?

  [shakes his head in disbelief]

  I guess that my previous announcement didn't know somehow.

  There is no attribute of CFPROCPARAM DBVARNAME.  It has been removed from the CF after CFMX6 (I think.  "It could have been deleted after CF5).

  So: no, you can't use it.  It does not exist.

  There are docs online for this kind of thing, btw:

  http://help.Adobe.com/en_US/ColdFusion/9.0/CFMLRef/WSc3ff6d0ea77859461172e0811cbec22c24-7d 52. html

  --

  Adam

• Tables created in a stored procedure cannot be used with dynamic SQL? The impact?

  There is a thread on the forum which explains how to create tables within a stored procedure (How to create a table in a stored procedure , however, it does create a table as such, but not how to use it (insert, select, update, etc.) the table in the stored procedure.) Looking around and in the light of the tests, it seems that you need to use dynamic SQL statements to execute ddl in a stored procedure in Oracle DB. In addition, it also seems that you cannot use dynamic SQL statements for reuse (insert, select, update, etc.) the table that was created in the stored procedure? Is this really the case?
  
  If this is the case, I am afraid that if tables cannot be 'created and used"in a stored procedure using the dynamic SQL, as is the case with most of the servers of DB dynamic SQL is not a part of the implementation plan and, therefore, is quite expensive (slow). This is the case with Oracle, and if yes what is the performance impact? (Apparently, with Informix, yield loss is about 3 - 4 times, MS SQL - 4 - 5 times and so on).
  
  In summary, tables created within a stored procedure cannot be 'used' with dynamic SQL, and if so, what is the impact of performance as such?
  
  Thank you and best regards,
  Amedeo.
  
  Published by: AGF on March 17, 2009 10:51

  AGF says:
  Hi, Frank.

  Thank you for your response. I understand that the dynamic SQL is required in this context.

  Unfortunately, I am yet to discover "that seeks to" using temporary tables inside stored procedures. I'm helping a migration from MySQL to Oracle DB, and this was one of the dilemmas encountered. I'll post what is the attempt, when more.

  In Oracle, we use [global temporary Tables | http://www.psoug.org/reference/OLD/gtt.html?PHPSESSID=67b3adaeaf970906c5e037b23ed380c2] aka TWG these tables need only be created once everything like a normal table, but they act differently when they are used. The data inserted in TWG will be visible at the session that inserted data, allowing you to use the table for their own temporary needs while not collide with them of all sessions. The data of the TWG will be automatically deleted (if not deleted programmatically) when a) a commit is issued or b) the session ends according to the parameter that is used during the creation of the TWG. There is no real need in Oracle to create tables dynamically in code.

  I noticed that many people say that the "Creation of the tables within a stored procedure" is not a good idea, but nobody seems necessarily explain why? Think you could elaborate a little bit? Would be appreciated.

  The main reason is that when you come to compile PL/SQL code on the database, all explicit references to tables in the code must correspond to an existing table, otherwise a djab error will occur. This is necessary so that Oracle can validate the columns that are referenced, the data types of those columns etc.. These compilation controls are an important element to ensure that the compiled code is as error free as possible (there is no accounting for the logic of programmers though ;)).

  If you start to create tables dynamically in your PL/SQL code, so any time you want to reference this table you must ensure that you write your SQL queries dynamically too. Once you start doing this, then Oracle will not be able to validate your SQL syntax, check the types of data or SQL logic. This makes your code more difficult to write and harder to debug, because inevitably it contains errors. It also means that for example if you want to write a simple query to get that one out in a variable value (which would take a single line of SQL with static tables), you end up writing a dynamic slider all for her. Very heavy and very messy. You also get the situation in which, if you create tables dynamically in the code, you are also likely to drop tables dynamically in code. If it is a fixed table name, then in an environment multi-user, you get in a mess well when different user sessions are trying to determine if the table exists already or is the last one to use so they can drop etc. What headache! If you create tables with table names, then variable Dynamics not only make you a lot end up creating (and falling) of objects on the database, which can cause an overload on the update of the data dictionary, but how can ensure you that you clean the tables, if your code has an exception any. Indeed, you'll find yourself with redundant tables lying around on your database, may contain sensitive data that should be removed.

  With the TWG, you have none of these issues.

  Also, what is the impact on the performance of the dynamic SQL statements in Oracle? I read some contrasting opinions, some indicating that it is not a lot of difference between static SQL and SQL dynamic in more recent versions of Oracle DB (Re: why dynamic sql is slower than static sql is this true?)

  When the query runs on the database, there will be no difference in performance because it is just a request for enforcement in the SQL engine. Performance problems may occur if your dynamic query is not binding variable in the query correctly (because this would cause difficult analysis of the query rather than sweet), and also the extra time, to dynamically write the query running.

  Another risk of dynamic query is SQL injection which may result in a security risk on the database.

  Good programming will have little need for the tables of dynamically created dynamically or SQL.

• How can I get my photos stored in Adobe Photoshop Album Starter Edition 3.2 out of this program, I am a frame of 76

  How can I get my photos stored in Adobe Photoshop Album Starter Edition 3.2 out of this program, I am a 76 year old lover

  Your photos must be stored on your disk. If I recall Starter is a database system, so just the thumbnail and its changes are stored in the database with a link to the original image.

  It was long, so I could be wrong. If I do, look in the file menu of options to save or export. First select the files, then choose this option.

  Sorry, I wish I could be more help but as I said, it has been a long time.

• How to convert MS SQL Server 2008 Stored Procedures of Oracle 11 g SPs?

  We have an application from MS SQL Server 2008. We want to migrate to Oracle 11 g.
  
  What is the recommended Oracle method for
  (1) migration of data (Tables, triggers, sequences, views etc..)
  (2) the stored Procedure migration.
  
  What is the recommended tool or method pls?
  
  We have 100s of MS Sql Server stored procedures. Then, needing a tool or method. We can rewrite all of them from scratch.

  Hello

  Let me clarify some of the issues that you mention. But I advise you to get some professional help with migration because:

  1. you must understand the architectural differences between SQL Server and Oracle. They are of different databases.
  2. understand data type mappings.
  3. understand the complete migration process. Just using the OTN article as a migration guide won't help because it just shows how use SQL Developer to this task.
  4. understand that 100% of successful Oracle conversion is not possible with all the tools. There will always be gaps, gaps in functionality, bugs etc. So there will be some amount of manual work involved.
  5. There are many other tasks involved in the migration that cannot be accomplished with SQL Developer.

  Get now your questions:

  1. in 3.1, there is migration option for the "capture of database in offline mode". It is under the Tools option. So in 3.1 we do not have a separate tab, called "Migration."
  2. use 3.1 because it is much better than 2.1 in terms of capabilities.
  3 migration Wizard is the easiest way to migrate. Where are you getting confused?
  4 "column data" seems to be a stored procedure in SQL Server. If it is not there in the underlying table, why he uses in the SQL statement in the procedure then? I think that we have a problem of "reserved word" with the name of column "Data". Will have to check that.
  5 VARCHAR (@max) must be mapped to VARCHAR2 (4000) in Oracle. It may be a bug in SQL Developer. So during the mapping of data type in the migration wizard, you can change the default mappings.

  Concerning

  Prakash

• Calling stored procedure - re-edited NullPointerException

  Hi all
  
  I am re-editing that my first attempt was quite low.
  
  I want to create a Java application that communicates with an Oracle XE database edition to:
  
  Class.forName ("oracle.jdbc.driver.OracleDriver");
  JOptionPane.showMessageDialog (null, "Driver loaded");
  Connection con = DriverManager.getConnection ("jdbc:oracle:thin:@//localhost:1521/xe", "SYSTEM", "root");
  JOptionPane.showMessageDialog (null, "database connected");
  
  This all works fine and I can perform queries and transactional instructions within the instance of java.
  
  However, I can't call stored procedures that I will receive a null pointer exception. The stored procedure, I try to call returns values however I know it works as I can run it in SQL Developer. The code below is the statement that calls the stored procedure, alll the sources I looked at it's correct, I also tried, cs.executeUpdate and Resultset rs when you try to call the java statement.
  
  public void thread_actionsperformed (ActionEvent c) //generates son
  {
  Try
  {
  CallableStatement cs = con.prepareCall ("{call PROCEDURE2}"); Calls a stored procedure that would generate threaded emails
  CS. Execute();
  JOptionPane.showMessageDialog (null, "Algorithm Threading successfully Executed");
  }
  catch (SQLException ex)
  {
  ex.printStackTrace ();
  JOptionPane.showMessageDialog (null, "Threading algorithm Executed without success"); Error response
  }
  catch (NullPointerException ex)
  {
  ex.printStackTrace ();
  JOptionPane.showMessageDialog (null, "Threading algorithm Executed without success"); Error response
  }
  }
  
  The Java application cannot 'see' the sp? Or is it something to do with privileges? I was puzzled by this during some time now, any help would be greatly appreciated.
  
  java.lang.NullPointerException
  at ETA_Final.thread_actionPerformed (ETA_Final.java:332)
  to ETA_Final$ 5.actionPerformed(ETA_Final.java:141)
  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.AbstractButton.doClick(AbstractButton.java:357)
  at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:1223)
  in javax.swing.plaf.basic.BasicMenuItemUI$ Handler.mouseReleased (BasicMenuItemUI.java:1264)
  at java.awt.Component.processMouseEvent(Component.java:6263)
  at javax.swing.JComponent.processMouseEvent(JComponent.java:3255)
  at java.awt.Component.processEvent(Component.java:6028)
  at java.awt.Container.processEvent(Container.java:2041)
  at java.awt.Component.dispatchEventImpl(Component.java:4630)
  at java.awt.Container.dispatchEventImpl(Container.java:2099)
  at java.awt.Component.dispatchEvent(Component.java:4460)
  at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
  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:2475)
  at java.awt.Component.dispatchEvent(Component.java:4460)
  at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
  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)
  
  Thank you and best regards,
  
  K
  
  Published by: Outbound86 on April 28, 2010 13:58

  Hi Kev,

  I expected this - so is it possible that your dumb object is null when you are in the ActionListener who manages the procedures?
  How will you spend until you use it (line 332), are you using Threads?

  Thnaks,
  Ivaylo

• How to call the stored procedure from javascript? (Google suggest, AJAX)

  Hi I want to set up a text field so that it behaves like [Google Suggest | http://www.google.com/webhp?complete=1 & hl = en].
  
  I read this post .
  
  Now, I installed everything according to this document. But it simply doesn't. And I don't know why.
  
  I think that problems can fall into the following three categories:
  1. the text field and the page invoking the appropriate javascript?
  2 - is the JavaScript call the stored procedure?
  3. the stored procedure correctly returns the result formatted?
  
  I'm assertive for 1 and 3, but I'm not sure 2. Because I don't know how if a stored procedure has been called? Is there a PL/SQL statement that I can query in SQL * more?
  
  Also, I would like to know how to debug AJAX in the APEX. It involves a lot of things.
  
  Finally, I used APEX 3.2 and Oracle XE. I can't find file dads.conf or marvel.conf. Is ' / apex / "the virtual directory for APEX?
  
  Thank you very much!

  Buffalo,

  I managed to make it work on XE with APEX 3.2!
  It took more time than expected because my XE installation was still on an earlier version of the Apex and I had put it first...

  But that's what I did:
  -in the ac.js file, I changed the path ' / apex / "and I added the ac.js file to my candidacy as a static file. So as you did.
  -J' copied my request to the XE and copied my procedure on the schema that is related to my request
  -J' gave to run anonymous rights my procedure

  Now at first, it did not work...
  Then I suddenly remembered something: If you want to run a procedure through the pl/sql gateway in the XE, XE please how it is.
  Do you this by changing the APEX_030200.wwv_flow_epg_include_mod_local function!

  This is the code for the function changed for my example:

  CREATE OR REPLACE function APEX_030200.wwv_flow_epg_include_mod_local(
      procedure_name in varchar2)
  return boolean
  is
  begin
      --return false; -- remove this statement when you modify this function
      --
      -- Administrator note: the procedure_name input parameter may be in the format:
      --
      --    procedure
      --    schema.procedure
      --    package.procedure
      --    schema.package.procedure
      --
      -- If the expected input parameter is a procedure name only, the IN list code shown below
      -- can be modified to itemize the expected procedure names. Otherwise you must parse the
      -- procedure_name parameter and replace the simple code below with code that will evaluate
      -- all of the cases listed above.
      --
      if upper(procedure_name) in (
            'MATTHIASH.INCSEARCH') then
          return TRUE;
      else
          return FALSE;
      end if;
  end wwv_flow_epg_include_mod_local;
  /
  

  After that, the AJAX function worked as expected...

  HTH
  Matthias Hoys

  Published by: mhoys on August 13, 2009 15:24

• How to pass an object of the stored procedure?

  Hello.
  
  After reading the documentation online 'The JDBC Oracle9i developer reference Guide' how to use oracle.sql.STRUCT to pass the java classes to database objects and how do the same thing in the sense opposite, I still don't know how to do what I need, I would like to know a few resourse online where I could find more examples.
  I guess it must be quite easy to do.
  
  I learned to create a java class that will be used to call a stored procedure (9i database) that has a single input/output parameter whose type is a user-defined object.
  
  I'm trying to do something similar, by I was not able. This is my essay:

  CREATE OR REPLACE TYPE                  FERNANDO.TIPOBD AS OBJECT (   ID INTEGER,   NOMBRE VARCHAR2(50),   HORA TIMESTAMP ); / CREATE OR REPLACE PACKAGE FERNANDO.prueba_java AS   PROCEDURE prueba (objetoJava IN OUT TIPOBD); END prueba_java; / CREATE OR REPLACE PACKAGE BODY FERNANDO.prueba_java AS   PROCEDURE prueba (objetojava IN OUT TIPOBD)   AS   BEGIN       NULL;   END prueba; END prueba_java; /

  import java.sql.*; //import oracle.sql.*; import oracle.jdbc.*; import oracle.sql.*; public class Prueba { public static void main(String[] args) { Connection conexion = GestorConexion.getConexion(); if (conexion != null) {   try {     DatabaseMetaData meta = conexion.getMetaData();     System.out.println("JDBC driver version is " + meta.getDriverVersion()); int num = 0; String consulta = "select 1 from dual"; PreparedStatement ps = conexion.prepareStatement(consulta); ResultSet rs = ps.executeQuery(); if (rs.next()) { num = rs.getInt(1); } System.out.println("num == "+num); ObjetoOracle oo = new ObjetoOracle(1, "Fernando", new Timestamp(1) ); System.out.println("id: "+oo.getId()+"; nombre: "+oo.getNombre()); // Se llama al procedimiento almacenado String llamada = new String(); llamada += "BEGIN "; llamada += "  FERNANDO.prueba_java.prueba(?)"; llamada += "END;"; StructDescriptor structdesc = StructDescriptor.createDescriptor("FERNANDO.TIPOBD", conexion); STRUCT struct = new STRUCT(structdesc, conexion, null); OracleCallableStatement ca = (OracleCallableStatement)conexion.prepareCall(llamada); //ca.setObject(1, oo); ca.setObject(1, null); ca.registerOutParameter(1, OracleTypes.JAVA_OBJECT); ca.execute(); } catch (SQLException sqle) { System.out.println(sqle.toString()); } } else { System.out.println("CONEXIÓN con bd nula"); } } }

  My if intend to create an oracle.sql.STRUCT object that I'll pass to the procedure and then get back to the procedure, but I can not even create the StructDescriptor.
  It is the output that I get:

  Conexión con BD ok JDBC driver version is 9.2.0.8.0 num == 1 id: 1; nombre: Fernando java.sql.SQLException: Tipo no definido: get_next_type

  Any help would be welcome. Thanks in advance.

  You must add the name of the type of your call registerOutParameter (.).
  ca.registerOutParameter ("", OracleTypes.JAVA_OBJECT, FERNANDO. TIPOBD);

  You can consider using OracleTypes.STRUCT instead of JAVA_OBJECT.

  You must also change your call set *;.
  ca.setObject ("", FERNANDO of the object. TIPOBD, OracleTypes.STUCT);

  You can use the same string parameter "" to the two parameters or
  You can use the same parameter INT for both parameters.

  You cannot combine parameters named and numbered together. I was using both for a single method or both using the other.
  The syntax may be different according to the method you in order to verify the Java Doc.

• How can I transfer content from an XML file in a MS SQL database of the stored procedure using LabWindows/CVI SQL Toolkit?

  Hello

  I have a problem to transfer content to an XML file in a MS SQL database through a stored procedure data/fixed. I am able to transfer the content of the file using method...

  HSTMT = DBPrepareSQL (hdbc, EXEC usp_InsertReport " ... ");

  resCode = DBExecutePreparedSQL (hstmt);

  resCode = DBClosePreparedSQL (hstmt);

  ... but in this case, I am not able to read the return value of the stored procedure.

  I tried to follow the example of the stored procedure in the help documentation (DBPrepareSQL), but I miss a xml data type?

  No idea how to solve my problem?

  Cake of KR

  DianaS salvation,

  Thanks for your comments. During this time I found another way which fullfill my needs:

  resCode = DBSetAttributeDefault (hdbc, ATTR_DB_COMMAND_TYPE, DB_COMMAND_TEXT);

  sprintf (sz_SqlStatement, "DECLARE @TESTID INT EXEC @TESTID = usp_InsertReport ' SELECT 'RetVal' %s = @TESTID", sz_Buffer ");
  HSTMT = DBActivateSQL (hdbc, sz_SqlStatement);

  While ((resCode = DBFetchNext (hstmt)) == DB_SUCCESS)

  {

  / * Enter values in the record. */

  resCode = DBGetColInt (hstmt, 1, & s32_TestId);
  }

  resCode = DBDeactivateSQL (hstmt);

  sz_Buffer is the content of the XML file.

  Cake of KR

• Mutex in the oracle stored procedure... How to get there?

  Hello

  I have the series of insert/update statements in an oracle stored procedure. The stored procedure is called composite Oracle SOA.

  The procedure works like this:

  a. download a request and checks to see if the file is already in the database. If she's here, we update, elsewhere insert.

  b. that I check for 10 tables and make the necessary inserts/updations.

  But sometimes, when I get the huge volume of transactions in the stored procedure, I see this violation of unique constraint violated due to lack of appropriate controls to ensure that no other parallel forum is trying to update the same record.

  How to do this so that no two execution of stored procedure doesn't work on the same record in the same table?

  Thank you!!

  Hello

  you might consider something like this

  create table t1(
    id number primary key,
    action varchar2(10),
    who varchar2(10)
  )
  ;
  
  declare
    p_id number           := 1;
    p_action varchar2(10) := 'Insert';
    p_who varchar2(9)     := 'Session 1';
    --
    procedure update_t1(p_id number, p_action varchar2, p_who varchar2) is
    begin
      update t1 set action = p_action, who = p_who where id = p_id;
    end;
  begin
    -- try to insert or update row for PK p_id
    merge into t1 d using (
      select
        p_id     id,
        p_action action,
        p_who    who
      from dual
    ) s on (d.id = s.id)
    when matched then
      update set d.action = 'Update', d.who = s.who
    when not matched then
      insert values (s.id, s.action, s.who)
    ;
  exception when dup_val_on_index then
    -- insert is no option, update when lock is released
    update_t1(p_id, 'Update', p_who);
  end;
  /
  
  drop table t1 purge
  ;
  

  Scenario (two sessions trying to insert/updated updated for id 1):

  session 1 inserts ("1" "insert" "Session 1") and the data is not visible to the session 2

  session 2 inserts same id but crashes because of the locking session 1

  validation of the session 1

  session 2 insert fails but who manages updating instead

  session 2 commits, values for the id 1 is now ('1' 'Update' "Session 2")