XML from stored procedure

I am calling a oracle stored function which returns REF CURSOR.. I am using XDP to convert the result set into XML.. But the result coming from my java program is like below..
I don't want to have those bind variables (:B1, :B2 etc) in there, how can I get the record variable names instead of bind variables.. Thanks for your help..
stmt.execute(); // Execute the statement.
ResultSet rset = (ResultSet)stmt.getObject(1); // Get the ResultSet
OracleXMLQuery qry = new OracleXMLQuery(_conn,rset); // prepare Query class
qry.setRaiseNoRowsException(true);
qry.setRaiseException(true);
qry.keepCursorState(true); // set options (keep the cursor alive..
while ((str = qry.getXMLString())!= null)
System.out.println(str);
<?xml version = '1.0'?>
<ROWSET>
<ROW num="1">
<:B1>36874538</:B1>
<:B2>SB</:B2>
<:B3>SBMB</:B3>
<:B4>LTL</:B4>
<:B5>Y649</:B5>
<:B6>I</:B6>
<:B8>IR</:B8>
<:B9>CO</:B9>
<:B10>3033693323</:B10>
<:B12>0</:B12>
</ROW>
</ROWSET>

Would you post the sample SQL Query or send test case to me at: [email protected]

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Best method to transfer large strings (XML data) to/from stored procedure

Hi!
I'm trying to call a PL/SQL procedure from Java. The procedure inputs a string (XML) that is parsed, and returns a result string (also XML).
Typical size of the string is 5kb -> 1mb.
I can see two possible solutions:
1) String / LONG
2) CLOB (Using DMBS_LOB.createTemporary and getting a CLOB locator and passing the locator to the stored procedure)
Does anyone have other suggestions?
What is the fastest method for transferring XML structures from to and from stored procedures?
Anders

Anders,
I would say it depends on your requirement. Both the methods have some advantages and disadvantages.
Using a CLOB means that you have to use vendor specific libraries but this is more extendible and I fast too.
Using String/Long will be more portable in the long run but again you lose on speed/performance.
Just a doubt of mine... If I got it correct, you are transforming one XML to another XML based on some conditions. Why dont you use XSL and XSL StyleSheet Processor packaged with XDK for this? I think this would be the fastest way.
Hope this helps.

Database updation using XML and stored Procedure?

Hello,
I want to perform updation in multiple tables using XML files.Please suggest can I do updation using xml and stored procedure.
If yes then which is more efficient and takes less time.
1.Updation using xml files only
2.Updation using xml files with stored procedure.
3.Stored procedure alone.
If direct xml and stored procedure communication is possible.then please write how.
Thanks in advance for any help.

Here's a sample. The next code drop of the XSQL Servlet will make the easy-to-do from within XSQL Pages:
package package1;
import org.w3c.dom.*;
import java.sql.*;
import oracle.jdbc.driver.*;
import oracle.xml.sql.query.OracleXMLQuery;
public class Class1 extends Object {
public static void main( String[] arg ) throws Exception {
Connection conn = getConnection();
CallableStatement ocs = conn.prepareCall("begin ? := App.HotItems('PAUL'); end;");
ocs.registerOutParameter(1,OracleTypes.CURSOR);
ocs.execute();
ResultSet rs = ((OracleCallableStatement)ocs).getCursor(1);
OracleXMLQuery oxq = new OracleXMLQuery(conn,rs);
System.out.println(oxq.getXMLString());
oxq.close();
rs.close();
ocs.close();
conn.close();
public static Connection getConnection() throws Exception {
String username = "scott";
String password = "tiger";
String dburl = "jdbc:oracle:thin:@localhost:1521:xml";
String driverClass = "oracle.jdbc.driver.OracleDriver";
Driver d = (Driver)Class.forName(driverClass).newInstance();
return DriverManager.getConnection(dburl,username,password);
null

How to generate a report from stored procedure

I would like to generate a report from stored procedure.
I used to work on sql server. this can be done as easy as put a select statement at the end of stored procedure.
The resule can be displayed on the development IDE, like sql developer or consume by Java JDBC client.
is there equivalent way to do this in Oracle stored procedure?

Hi,
What type of report you are looking..for.. ??
As you said that "I used to work on sql server. this can be done as easy as put a select statement at the end of stored procedure. "
When you execute it will return the result set and you will display directly on the FrontEnd.. Is my Understanding is correct Up to here.
See, In oracle you have call some custom stored procedures as you did in SQL Sever, but you have return the Results Sets, with help of Out put paramter, Either Cursors or Varrays..
or Else you can generate the Html reports based on your requirement, HTML can be used in the stored procedures of Oracle which will generate for your, you need to code it.
I could not able get the relevant link for your reference.
I will get back to you on this.
- Pavan Kumar N

Problem with execute SSIS package from stored procedure

Hi,
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I was able to solve by adding “WITH EXECUTE AS …”. Then I got another error: The server principal "Domain\user" is not able to access the database "SSISDB" under the current security context. On Internet, I found a couple post that describe
how to access SSIS catalog (one of them by Ke Yang -
http://blogs.msdn.com/b/mattm/archive/2012/03/20/ssis-catalog-access-control-tips.aspx). It didn’t help. I’m still getting the error message.
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SSMS does not propagate user credentials thus the error
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Ted Kruger explains how this can be done in his blog post
Run SSIS Package from Stored Procedure
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How to run System command from stored procedure ?
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running a programm,
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H.M

Years ago I did this by writing an output file with commands into a directory and had a cron job looking for this file. At the end of the run the file was removed.
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Issue with Executing OS commands from Stored Procedure

I am trying to execute the scripts provided at :
http://github.com/xtender/XT_SHELL
provided by xtender user.
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end;
/where CVIM_Rpt_ExportCSVFile is my script residing in the Unix server where my Oracle is installed.
The error I am facing when I try to execute the following command is:
select * from table(xt_shell.shell_exec('/var/scripts/CVIM_Rpt_ExportCSVFile',100))
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DUPLICATE
===============================================================
Issue with Executing OS commands from Stored Procedure
==============================================================

Returning rowcount and resultset from stored procedure

Hello,
In SQL Server you can return multiple resultsets from stored procedure by simple SELECT statement. But in Oracle, you have to use SYS_REFCURSOR.
Sample code:
CREATE OR REPLACE PROCEDURE sp_resultset_test IS
t_recordset OUT SYS_REFCURSOR
BEGIN
OPEN t_recordset FOR
SELECT * FROM EMPLOYEE;
END sp_resultset_test;
Is there any other way in Oracle 10 or 11 ?
Thank You.

What is the requirement? Oracle is far more flexible than SQL-Server... with numerous features that do not exist in SQL-Server. (Fact)
One of the biggest mistakes you can make is to treat Oracle like SQL-Server... trying to match feature A1 in SQL-Server to feature B3 in Oracle.
Does not work that way.. rather then stick to SQL-Server as SQL-Server does SQL-Server specific features far better than Oracle.
So instead of trying to map what a T-SQL stored proc to do to an Oracle ref cursor (even to the extent of using that very silly sp_ prefix to name the proc), tell us the problem and requirements... That way we can tell you what Oracle features and options are best used to solve that problem - instead of competing in some unknown feature comparison event with SQL-Server.

URGENT : Return Bulk data from Stored Procedure

Hi,
Tell me, how do I return a bulk of data which
does not exist in the data base
but is concluded while the Stored Procedure is executed
from the Stored procedure
to the C++ program.
For Example:
Table ABC
Field1 Field2 Field3
A 1 3
B 1 5
C 2 10
Table DEF
Field1 Field2 Field3
D 10 24
E 3 16
F 8 19
SP_TESTING
Depending on the values in both the tables
for some range of conditions,
a conclusion X is derived for each range value of the
condition range.
Now I need to return this bulk of data X with the
condition they belong to
back to the C++ code calling it....
NOTE : A stored procedure is requited as there is a lot
of processing
required before we conclude the result X for each value
in the condition range.
If I execute this code from C++ instead of Stored
procedure
it is very slow and speed is a prime requirement of my
system.
Also i'm not using any MFC class to access database.
I'm using ConnectionPtr, RecordsetPtr and _CommandPtr
from msado15.dll for database access...
One solution to this could be use of Temp tables.
As this process is used by a lot of different stored
procedures having a common
temp table to all will need something like 50 NUMERIC
fields, 50 VARCHAR fields
and so on, which doesn't seem like a very good solution
to this problem.
Sounds like something I would have done while in school,
implement a dumb solution.
So, please suggest me a solution as to how do I return
bulk data in the form
of recordsets from stored procedure.
Regards
Shruti

Use Out parameter mode
SQL> CREATE OR REPLACE procedure a1 (x OUT NUMBER, y OUT NUMBER) AS
2 BEGIN
3        x:= 1;
4        y:= 2;
5 END;
6 .
SQL> /
Procedure created.
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
2   a NUMBER :=3;
3   b NUMBER :=4;
4 BEGIN
5   a1 (a,b);
6      DBMS_OUTPUT.PUT_LINE( 'a = ' || a );
7      dbms_output.put_line( 'b = ' || b );
8 END;
9 .
SQL> /
a = 1
b = 2
PL/SQL procedure successfully completed.By default parameters are copied to the OUT parameter mode .
COPY hint in PLSQL don’t send a pointer to calling program unit but NOCOPY
does.
Khurram

Ora-06550 returning data from Stored Procedure and Entity Data Model

Hi.
I'm creating an application that uses a WCF Service to return data. I also created a proyect with the EDMX design and mapped most of my DBModel to a classes context. I have added some of the procedures as well. One of them receive some parameters and return a Sys_RefCursor, that is populated according to the parameters.
I have declared the "<add >" tags in the Web.Config and imported the function of the Procedure. When I call the Asyncronous function I get different exceptions:
1. If I call the function, with all of the parameters i get:
Oracle.DataAccess.Client.OracleException: ORA-06550: línea 1, columna 8:
PLS-00306: número o tipos de argumentos erróneos al llamar a
'SP_HECHOSJURITER'
ORA-06550: línea 1, columna 8:
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2. If i just set 1 parameter in the SP, returning the same type of data, I get:
Error al recibir la respuesta HTTP a
http://localhost/Procalculo.CGFM.SIGOC.DatosServices/ServiceDatos.svc.
(failed to receive http response. error 12152)
3. If I don't set any parameters in the procedure, it works fine, and return correct data.
It exclusively happen with one entity.
Any clue?
I appreciate any help.

When you return result sets from stored procedures to Entity Framework, you are very likely using implicit result sets. Implicit result sets don't need to be declared as a parameter in code, only in the <add> tags to define the metadata in the .NET config file.
For example, in the EF Oracle By Example, you'll see that the stored procedure in the function import has three parameters, but only two are declared in the code. The third one was defined in the config file.
http://download.oracle.com/oll/obe/EntityFrameworkOBE/EntityFrameworkOBE.htm

Returning SQL cursor from Stored Procedure

Hi,
I have a query regarding returning sql cursor from stored procedure to java in oracle 11g.
I want to query some data ex: my query returns A, B, C. Also, now I want to query some other data ex: D, E, F. Now I want to return this data as an sql cursor as a single row . Example: A,B,C,D,E,F. Is it possible to return/create a cursor in stored procedure?
assume both query returns equal number of rows.. however both are not related to each other..

RP wrote:
Hi,
I have a query regarding returning sql cursor from stored procedure to java in oracle 11g.
I want to query some data ex: my query returns A, B, C. Also, now I want to query some other data ex: D, E, F. Now I want to return this data as an sql cursor as a single row . Example: A,B,C,D,E,F. Is it possible to return/create a cursor in stored procedure?
assume both query returns equal number of rows.. however both are not related to each other..It sounds like what you need is a ref cursor.
First thing to remember though is that cursors do not hold any data (see: {thread:id=886365})
In it's simplest form you would be creating a procedure along these lines...
SQL> create or replace procedure get_data(p_sql in varchar2, p_rc out sys_refcursor) is
2 begin
3    open p_rc for p_sql;
4 end;
5 /
Procedure created.
SQL> var rc refcursor;
SQL> exec get_data('select empno, ename, deptno from emp', :rc);
PL/SQL procedure successfully completed.
SQL> print rc;
     EMPNO ENAME          DEPTNO
      7369 SMITH              20
      7499 ALLEN              30
      7521 WARD               30
      7566 JONES              20
      7654 MARTIN             30
      7698 BLAKE              30
      7782 CLARK              10
      7788 SCOTT              20
      7839 KING               10
      7844 TURNER             30
      7876 ADAMS              20
      7900 JAMES              30
      7902 FORD               20
      7934 MILLER             10
14 rows selected.
SQL> exec get_data('select deptno, dname from dept', :rc);
PL/SQL procedure successfully completed.
SQL> print rc
    DEPTNO DNAME
        10 ACCOUNTING
        20 RESEARCH
        30 SALES
        40 OPERATIONS
        50 IT SUPPORTWhich takes an SQL statement (as you said that both your queries were unrelated), and returns a ref cursor, and then your Java code would fetch the data using that cursor.
Now, as for getting your rows to columns and combining two queries that do that... something along these lines...
SQL> select * from x;
C
A
B
C
SQL> select * from y;
C
D
E
F
SQL> ed
Wrote file afiedt.buf
1 select x.col1, x.col2, x.col3
2        ,y.col1 as col4
3        ,y.col2 as col5
4        ,y.col3 as col6
5 from (
6        select max(decode(rn,1,col1)) as col1
7              ,max(decode(rn,2,col1)) as col2
8              ,max(decode(rn,3,col1)) as col3
9        from (select col1, rownum rn from (select * from x order by col1))
10       ) x
11 cross join
12       (
13        select max(decode(rn,1,col1)) as col1
14              ,max(decode(rn,2,col1)) as col2
15              ,max(decode(rn,3,col1)) as col3
16        from (select col1, rownum rn from (select * from y order by col1))
17*      ) y
SQL> /
C C C C C C
A B C D E F... will do what you ask. For further information about turning rows to columns read the FAQ: {message:id=9360005}

XML from a procedure

Hello,
I am trying to pass a value in XML from a procedure to another (non-apex) application.
The issue is that in the following code, I've replaced this line:
qryCtx := dbms_xmlgen.newContext('select hash_value from hash');
with this line:
qryCtx := dbms_xmlgen.newContext(V_Return);
I did this because the value that I want to be in XML is in the variable V_Return and not in a table. I get a compilation error:
PLS-00382: expression is of wrong typeCompilation failed
Is there a way to use newContext with a variable value rather than a select statement from a table?
Thank you for any help!
Matt
create or replace PROCEDURE DO_HASH2 (p_username in VARCHAR2, p_app_id in VARCHAR2, p_app_name in VARCHAR2) is
v_pad_amt NUMBER;
v_salt RAW( 2048 );
v_encrypted_str RAW( 2048 );
v_return VARCHAR2( 255 );
p_str VARCHAR2(255);
p_thing_to_hash VARCHAR2(255);
v_hash_date TIMESTAMP;
qryCtx DBMS_XMLGEN.ctxHandle;
result CLOB;
nextval NUMBER;
Begin
p_thing_to_hash := p_app_name;
-- Create Salt
V_Salt := Utl_Raw.Cast_To_Raw( Substr( To_Char( Sqrt(( 8438/12*4-7/256 ) ) ), 3, 38 ) );
    -- If p_thing_to_hash is not null then
    -- Pad the string so that it will encrypt properly
    IF LENGTH( p_thing_to_hash ) MOD 8 > 0 THEN
        v_pad_amt        := TRUNC( LENGTH( p_thing_to_hash ) / 8 ) + 1;
        p_str := RPAD(p_thing_to_hash, v_pad_amt * 8, '^' );
    END IF;
    -- Encrypt the string
    Dbms_Obfuscation_Toolkit.Desencrypt(Input => Utl_Raw.Cast_To_Raw( p_str ), Key => V_Salt, Encrypted_Data => V_Encrypted_Str );
    -- Now change the raw to hex
    V_Return := Rawtohex( V_Encrypted_Str );
--qryCtx := dbms_xmlgen.newContext('select hash_value from hash');
qryCtx := dbms_xmlgen.newContext(V_Return);
-- set the row header to be HASH
DBMS_XMLGEN.setRowTag(qryCtx, 'HASH');
-- now get the result
result := DBMS_XMLGEN.getXML(qryCtx);
-- Set the timestamp
select localtimestamp into v_hash_date from dual;
-- Insert the user info into the HASH table
INSERT INTO hash(USERNAME,APP_ID,APP_NAME,HASH_VALUE,HASH_DATE,RESULT) VALUES (p_username, p_app_id,p_app_name,V_Return,v_hash_date,result);
--close context
DBMS_XMLGEN.closeContext(qryCtx);
END DO_HASH2;
HASH Table structure:
Column Name     Data Type
ID     NUMBER
USERNAME     VARCHAR2(250)
APP_ID     VARCHAR2(250)
APP_NAME     VARCHAR2(250)
HASH_VALUE     VARCHAR2(250)
HASH_DATE     TIMESTAMP(6)
RESULT     CLOB

>
The issue is that in the following code, I've replaced this line:
qryCtx := dbms_xmlgen.newContext('select hash_value from hash');
with this line:
qryCtx := dbms_xmlgen.newContext(V_Return);
I did this because the value that I want to be in XML is in the variable V_Return and not in a table. I get a compilation error:
PLS-00382: expression is of wrong typeCompilation failed
Is there a way to use newContext with a variable value rather than a select statement from a table?
>
It seems unlikely. The DBMS_XMLGEN documentation says:
>
The DBMS_XMLGEN package converts the results of a SQL query to a canonical XML format. The package takes an arbitrary SQL query as input, converts it to XML format, and returns the result as a CLOB.
>
http://download.oracle.com/docs/cd/E11882_01/appdev.112/e10577/d_xmlgen.htm#i1012053
If <tt>VReturn</tt> is not a SQL query then you will need to use one of the (many) other ways of generating XML. This question has nothing to do with APEX and would be better addressed to the XML DB.
Additionally, the recommended methods for XML generation, encryption and hashing are heavily version-dependent and you should always quote the relevant DB version/edition information to ensure an appropriate answer. For example, DBMS_OBFUSCATION_TOOLKIT is deprecated as of Oracle 10g and replaced by DBMS_CRYPTO.

Triggers accepting parametes from stored procedures

Can triggers accept parameters from stored procedures like some filename or column name of a table and pass them to external c procedures.If so I would greatly appreciate if any one could provide me with an example.
P.S The trigger is on a view and the view which in turn should be created in the stored procedure.
Thanks
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Hello,
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Regards
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How to execute Operating System commands from Stored procedure.

Any help on how to execute Operating System commands from stored procedures will be appreciated.
Nanditha.

Search the forums for 'External Procedure' and you will find example code that has been posted before.

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