Ref Cursor Data Volume

Is there a limit to the volume of data a ref cursor can return via an Oracle Database Procedure call? I am using a ref cursor to return data and testing using toad, it hangs the session. My Business Object report also hangs because of the large data volume > 750,000 rows returned via a ref cursor.
The database procedure works fine when the number of rows is less than 2,000.
Has anyone had this problem before?
Many Thanks,
Georgie

George wrote:
Is there a limit to the volume of data a ref cursor can return via an Oracle Database Procedure call? No.
{thread:id=886365}
Re: OPEN cursor for large query
A ref cursor is a pointer to a compiled SQL statement, it has no rows so there is no limit to the number of rows that you can use it to fetch, just like there is no limit to the number of rows a select can return.
I am using a ref cursor to return data and testing using toad, it hangs the session. My Business Object report also hangs because of the large data volume 750,000 rows returned via a ref cursor. This is very confusing, it it hangs how do you know it returns 750,000 rows?

Similar Messages

Hyperion get ref cursor data

Hi,
Is there any way to execute stored procedure via hyperion using ODBC and get back ref cursor data.
I tried to call a stored procedure that have a ref cursor out parameter but it gives me error.
My stored procedure code is below.
wrong number or types of arguments to in call to 'HYP_CURSOR'
create or replace package hyp_ref_cusrsor is
type t_cusror is ref cursor;
end;
create or replace procedure hyp_cursor(ret1 out hyp_ref_cusrsor.t_cusror) is
begin
open ret1 for select * from hyp_tmp1 m;
end;
Hyperion version is 9.3.1
Oracle version is 10.0.2
Regards

George wrote:
Is there a limit to the volume of data a ref cursor can return via an Oracle Database Procedure call? No.
{thread:id=886365}
Re: OPEN cursor for large query
A ref cursor is a pointer to a compiled SQL statement, it has no rows so there is no limit to the number of rows that you can use it to fetch, just like there is no limit to the number of rows a select can return.
I am using a ref cursor to return data and testing using toad, it hangs the session. My Business Object report also hangs because of the large data volume 750,000 rows returned via a ref cursor. This is very confusing, it it hangs how do you know it returns 750,000 rows?

Create view With Ref cursor data

Hi friends,
I want to create view as follows.
Example:
Create or replace v_name
select job,sal, <funcation>
from emp;
Note:- Function not having out parameter.
Function returning ref cursor values datatype.
Requirement:-
I want to create view even function returing ref cursor datatype.
Please advise how to create view.
Regards,
Kishore

user7284612 wrote:
Hi friends,
I want to create view as follows.
Example:
Create or replace v_name
select job,sal, <funcation>
from emp;
Note:- Function not having out parameter.
Function returning ref cursor values datatype.
Requirement:-
I want to create view even function returing ref cursor datatype.
Please advise how to create view.You perhaps are misunderstanding what a ref cursor is. It does not contain data like a table, so cannot be treated as one.
Take a read of this:
PL/SQL 101 : Understanding Ref Cursors

Ref Cursors to write to xml file

Hi,
I am relatively new and i am looking at what other professionals have to comment.
I am retriveing a ref cursor in Oracle and would like to store this information in an xml file along with another variable, as it would be easier to read/edit from an xml file rather than firing the stored procedure and picking/saving the ref cursor on every occassion that is required.
Looking for what the experts have to say about this way.
Also, i am looking at trying to implement this.
How does one write to an xml document from a ref cursor in Oracle 9i
Thank You
Any help will be appreciated.

You can not write REF Cursors directly to an XML file. One way to write REF Cursor data to an XML file would be to popoulate the Dataset using the REF Cursor and then use the XML functionality on Dataset to generate an XML file. Another way would be create an OracleDataReader and populate the XML file yourself.

Still not possible (4.0 EA3) to copy displayed column headings from ref cursor output.

Hi,
I've created an enhancement request to allow displayed column headings from ref_cursor output to be copied.
This is still not possible (4.0 EA3)
The ref cursor data can be copied, but not the headings..
See July 2012 discussion of problem in comments at
http://www.thatjeffsmith.com/archive/2011/12/sql-developer-tip-viewing-refcursor-output/

Hi,
I think you're out of luck... except if you're on 11g where you can use DBMS_SQL.TO_CURSOR_NUMBER to convert the REF CURSOR to a DBMS_SQL cursor, and then benefit from the DBMS_SQL package to get column details.
http://download.oracle.com/docs/cd/B28359_01/appdev.111/b28419/d_sql.htm#CHDJDGDG

How to fetch NO DATA FOUND exception in Ref Cursor.

In my procedure ref cursor is out parameter with returns dataset. in my proceudre
its like...
OPEN pPymtCur FOR
select.....
when I call this procedure from report to get dataset it causes NO DATA FOUND exception.
How to fetch this exception in my oracle procedure so I can get some other data.
Any Idea to do this?
Edited by: Meghna on 17-Jun-2009 22:28

Mass25 wrote:
Correct me if I am wrong.
So if I do something as follows in my stored proc, I do not have to check for NO_DATA_FOUND?
OPEN my_CuRSR FOR
SELECT DISTINCT blah blah blahmy_cursr is what I am returning as OUT param in my SP.Correct. At the point you open the cursor, oracle has not attempted any 'fetch' against the data so it won't know if there is any data or no data. that only occurs when a fetch is attempted.
Take a read of this:
[PL/SQL 101 : Understanding Ref Cursors|http://forums.oracle.com/forums/thread.jspa?threadID=886365&tstart=0]

How to retrieve data from a REF CURSOR using OCI 8.0?

I found an example in Oracle docs (shown below) that discusses how to bind a REF CURSOR for later data retrieval, but it does not explain actually how to do the later data retrieval.
I hope someone can explain it to me. Thanks
The OCI provides the ability to bind and define PL/SQL REF CURSORs and nested tables. An application can use a statement handle to bind and define these types of variables. As an example, consider this PL/SQL block:
static const text plsql_block = (text )
"begin \
OPEN :cursor1 FOR SELECT empno, ename, job, mgr, sal, deptno \
FROM emp_rc WHERE job=:job ORDER BY empno; \
OPEN :cursor2 FOR SELECT * FROM dept_rc ORDER BY deptno; \
end;";
An application would allocate a statement handle for binding, by calling OCIHandleAlloc(), and then bind the :cursor1 placeholder to the statement handle, as in the following code, where :cursor1 is bound to stm2p. Note that the handle allocation code is not included here.
err = OCIStmtPrepare (stm1p, errhp, (text *) nst_tab, strlen(nst_tab),
OCI_NTV_SYNTAX, OCI_DEFAULT);
err = OCIBindByName (stm1p, (OCIBind **) bndp, errhp,
(text *)":cursor1", (sb4)strlen((char *)":cursor1"),
(dvoid *)&stm2p, (sb4) 0, SQLT_RSET, (dvoid *)0,
(ub2 *)0, (ub2 *)0, (ub4)0, (ub4 *)0, (ub4)OCI_DEFAULT);
In this code, stm1p is the statement handle for the PL/SQL block, while stm2p is the statement handle which is bound as a REF CURSOR for later data retrieval. A value of SQLT_RSET is passed for the dty parameter.

( sorry, i forgot the Link where i get this html fiLes, so i just copy-paste here )
( maybe it can heLp you a bit. -- it's heLp me, for sure )
And the following is thanks to Brett Rosen :
I noticed that you didn't have an OCI entry
on http://osi.oracle.com/~tkyte/ResultSets/index.html .
Here is OCI code to do this (Oracle 81) if you want to include it on
that page.
Some error checking and cleanup has been removed, but the below should
work. (once dbname has been replaced appropriately)
Brett
int main(int argc, char* argv[])
OCIError* pOciError;
char* pConnectChar = "dbname";
char* pUsernameChar = "scott";
char* pPasswordChar = "tiger";
int answer;
OCIStmt* pOciStatement;
char* sqlCharArray = "BEGIN :success := sp_ListEmp; END;";
int id;
char ename[40];
OCIEnv* g_pOciEnvironment = NULL;
OCIServer* g_pOciServer = NULL;
OCISession* g_pOciSession = NULL;
OCISvcCtx* g_pOciServiceContext = NULL;
sb2* pIndicator=0;
sb2* pIndicator2=0;
sb2* pIndicator3=0;
OCIDefine* pOciDefine;
OCIDefine* pOciDefine2;
OCIBind* pBind;
OCIStmt* cursor;
answer = OCIInitialize(OCI_THREADED, NULL, NULL, NULL, NULL);
answer = OCIEnvInit(&g_pOciEnvironment, OCI_DEFAULT, 0, NULL);
answer = OCIHandleAlloc(g_pOciEnvironment, (void **)&pOciError, OCI_HTYPE_ERROR, 0, NULL);
answer = OCIHandleAlloc(g_pOciEnvironment, (void **)&g_pOciSession, OCI_HTYPE_SESSION, 0, NULL);
answer = OCIHandleAlloc(g_pOciEnvironment, (void **)&g_pOciServer, OCI_HTYPE_SERVER, 0, NULL);
answer = OCIHandleAlloc(g_pOciEnvironment, (void **)&g_pOciServiceContext, OCI_HTYPE_SVCCTX, 0, NULL);
answer = OCIServerAttach(g_pOciServer, pOciError, (unsigned char *)pConnectChar, strlen(pConnectChar),
OCI_DEFAULT);
answer = OCIAttrSet(g_pOciSession, OCI_HTYPE_SESSION, (unsigned char *)pUsernameChar, strlen(pUsernameChar),
OCI_ATTR_USERNAME, pOciError);
answer = OCIAttrSet(g_pOciSession, OCI_HTYPE_SESSION, (unsigned char *)pPasswordChar, strlen(pPasswordChar),
OCI_ATTR_PASSWORD, pOciError);
answer = OCIAttrSet(g_pOciServiceContext, OCI_HTYPE_SVCCTX, g_pOciServer, 0, OCI_ATTR_SERVER, pOciError);
answer = OCIAttrSet(g_pOciServiceContext, OCI_HTYPE_SVCCTX, g_pOciSession, 0, OCI_ATTR_SESSION, pOciError);
answer = OCISessionBegin(g_pOciServiceContext, pOciError, g_pOciSession, OCI_CRED_RDBMS, OCI_DEFAULT);
answer = OCIHandleAlloc(g_pOciEnvironment, (void **)(&pOciStatement), OCI_HTYPE_STMT, 0, NULL);
answer = OCIStmtPrepare(pOciStatement, pOciError, (unsigned char *)sqlCharArray, strlen(sqlCharArray),
OCI_NTV_SYNTAX, OCI_DEFAULT);
answer = OCIHandleAlloc(g_pOciEnvironment, (void **)(&cursor), OCI_HTYPE_STMT, 0, NULL);
answer = OCIBindByPos(pOciStatement,&pBind, pOciError, 1, &cursor, 0,SQLT_RSET,
pIndicator2, 0,NULL, 0,0,OCI_DEFAULT);
answer = OCIStmtExecute(g_pOciServiceContext, pOciStatement, pOciError, 1, 0, NULL, NULL,
OCI_COMMIT_ON_SUCCESS);
answer = OCIDefineByPos(cursor,&pOciDefine, pOciError,2,&id,sizeof(int),
SQLT_INT,pIndicator, 0, 0,OCI_DEFAULT);
answer = OCIDefineByPos(cursor,&pOciDefine2, pOciError,1,ename,40,
SQLT_STR,pIndicator3, 0, 0,OCI_DEFAULT);
if (answer == 0)
while ((answer = OCIStmtFetch(cursor,pOciError, 1,OCI_FETCH_NEXT,OCI_DEFAULT)) == 0)
printf("fetched id %d and name %s\n",id,ename);
answer = OCIHandleFree(pOciError, OCI_HTYPE_ERROR);
return 0;
}

Manipulating data from a ref cursor in the data block of a form

I am using Oracle Forms 10g. I have a ref cursor which returns columns A, B, C, D, E where B, C, D, E are values. The "Query Data Source Name" attribute in the datablock contains "CCTR_Extract_pkg.cctr_refcur". The "Column Name" attribute of item A contains "A", item B contains "B", etc. All of these columns are displayed on the form and it all works perfectly.
I have a new request, the users would like a 6th column displayed - column F - where it equals D - B.
Is there any way of doing this in the form only or do I need to change the ref cursor to accomodate the new column and then the form?
If it can be achieved in the Form (only) - then how do I reference the 2 columns?
Thanks in anticipation
Michael
Edited by: user8897365 on 24-Aug-2011 10:32

Is there any way of doing this in the form only or do I need to change the ref cursor to accomodate the new column and then the form? The REF_CURSOR is the data source of your block so you will have to modify the CCTR_Extract_pkg package and cctr_refcur REF_CURSOR.
If it can be achieved in the Form (only) - then how do I reference the 2 columns?After you have modified your database package, I recommend you run the Data Block Wizard on your block and let Forms detect the 2 new columns. You can do this manually, but it is safer to let Forms do it for you. If you want to do it manually, open the Query Data Source Columns property and add your new columns.
Hope this helps,
Craig B-)
If someone's response is helpful or correct, please mark it accordingly.

Using a strongly typed ref cursor doesn't enforce data type

I am trying to enforce the datatypes of the fields coming back from an oracle reference cursor by making it strongly typed. However, there seems to be no warning at compile time on the oracle side or exception in ODP.NET if the datatype coming back in the cursor does not match. For example here is my cursor and proc
create or replace
PACKAGE THIRDPARTY AS
type pricing_record is record
BaseIndexRate     number(6,5),
BaseIndexRateType     VARCHAR2(1 BYTE)
type cur_pricing2 IS ref CURSOR return pricing_record;
PROCEDURE getpricingbyappidtest(appid IN application.intid%TYPE, pricing OUT cur_pricing2);
END THIRDPARTY;
create or replace
PACKAGE BODY THIRDPARTY AS
PROCEDURE getpricingbyappidtest(appid IN application.appid%TYPE, pricing OUT cur_pricing2)
AS
BEGIN
     OPEN pricing FOR
     SELECT      somevarcharfield, someothervarcharfield
FROM application
WHERE A.appid = appid;
END getpricingbyappidtest;
I would expect this wouldn't compile since i am putting a varchar into a number field. But it does. Also if i check the datatype in the reader on the .net side it also is a string. So odp doesn't seem to care what type the cursor is
here is that code and output
var schemaTable = reader.GetSchemaTable();
using (var file = new System.IO.StreamWriter("c:\\_DefinitionMap_" + cursorName + ".txt"))
file.WriteLine("COLUMN" + "\t" + "DATATYPE");
foreach (DataRow myField in schemaTable.Rows)
file.WriteLine(myField["ColumnName"] + "\t" + myField["DataType"]);
COLUMN     DATATYPE
BaseIndexRate     System.String
BaseIndexRateType     System.String
Does anyone have an approach for enforcing datatypes in a ref cursor? Am I doing something wrong when defining the ref cursor?

Hello,
By using a ref cursor you are really using a pointer to a cursor. There is no way I know of to make a compile check of the cursor check unless you want to create a SQL type and cast the cursor to this type and even this wouldn't work in all cases. For instance, I could have function call within my cursor select which could return a varchar (with a number always in the varchar) which would be horribly sloppy but legal and you would expect Oracle to compile it.
If you are worried about this I would suggest not using ref cursors and go to UDT instead, where there will be more checking (because of a C# equivalence generated object). Oh and BTW, yes the cursor will throw an exception if the data is incorrect, but only at runtime - just like normal Oracle PLSQL.
Cheers
Rob.
http://www.scnet.com.au

How to update data returned using REF CURSOR

Hi all,
I am trying to update updated data in a gridview but the update button seem to do nothing as i retrieve data using REF CURSOR.
Let me describe the architecture of my application first. I'm trying to implement best practice whenever possible. I am following the data access tutorial published in www.asp.net , the only difference is that i have an Oracle (10g) database. So I split my application into three layers, data access, business logic, and presentation layer. I'm also writing all queries in an Oracle package.
So I have my Oracle packages that perform CRUD operations. Then I have an xsd file that define dataTable based on the package procedure. My business logic layer then calls functions defined in the xsd file. And finally a detailsView control that uses an ObjectDataSource to call business logic functions.
In a nutshell, I am just trying to update records retrieved using REF CURSOR. Your help is very much appreciated. Please let me know if further details are required. Cheers,

In the DataSet (xsd) where your DataTable is defined, you just need to add additional methods to the TableAdapter to handle insert, update and delete, either with SQL or by mapping to stored procedures.
Alternatively in code, create an OracleDataAdapter and supply its InsertCommand, UpdateCommand and DeleteCommand.
David

Ref Cursors / throwing data into a Ref Cursor as data is fetched

I was wondering if anyone has executed an SQL statement and as each row is being fetched back from an SQL, doing some data checks and processing to see if the row is valid to return or not, based on the values being fetched in an SQL.
For example, I'm taking an SQL statement and trying to do some tuning. I have an Exists clause in the Where statement that has a nested sub-query with some parameters passed in. I am attempting to move that statement to a function call in a package (which is called in the SELECT statement). As I fetch each row back, I want to check some values that are Selected and if the values are met, then, I want to execute the function to see if the data exists. If it does exist, then, I want the fetched row returned in the Ref Cursor. If the criteria is met and the row doesn't exist in the function call, then, I don't want the fetched row to return.
Right now, the data has to be thrown to REF Cursor because it's being outputted to the Java application as a Result Set.
I've found many statements where you can take a SELECT statement and throw the Results in the Ref Cursor. But, I want to go a step further and before I throw each row in the Ref Cursor, I want to some processing to see if I put the Fetched Row in the Ref Cursor.
If someone has a better idea to accomplish this, I'm all ears. Like I say, I'm doing this method only for the sake of doing some database tuning and I think this will speed things up. Having the EXISTS clause works and it runs fast from an End-user standpoint but, when it processes on the database with the nested subquery, it is slow.
Here's an example of something that might be a problem (Notice the nested subquery). I moved the nested subquery to a function call written on the database package and make the call to the procedure/package in the SELECT statement. As I process each row, I want to check some values prior having the function call execute. If it meet some criteria, then the record is Ok to fetch and display in the Ref Cursor. If it does not meet the criteria and goes through the function and doesn't return data, then, I don't want the Fetched row from the main query to return the data.:
SELECT EMPNO,
FIRST_NAME,
LAST_NAME
FROM EMP E,
DEPT D
WHERE E.DEPTNO = D.DEPTNO
AND EXISTS (SELECT 'X'
FROM MANAGER M
WHERE M.MANAGER_ID = E.MANAGER_ID
AND MANAGER_TYPE IN (SELECT MANAGER_TYPE
FROM MANAGER_LOOKUP ML WHERE ML.MANAGER_TYPE = M.MANAGER_TYPE))
Any help or ideas of other things to try is appreciated. Keep in mind that I am returning this data to the Java application so, throwing the data to a Ref Cursor in the PL/SQL is the ideal method.
Chris

Ref cursors are not required nor desirable when writing java database application. Cursors are mentioned only once in the JDBC documentation reference guide, in the section "Memory Leaks and Running Out of Cursors".
In a word cursors are just plain ridiculous, and in fact I never used them in my 15+ years of application development practice:
http://vadimtropashko.wordpress.com/cursors/

Using CRUD procedures to update data and ref cursors to return data

Hi:
I am currently evaluating Apex 3.x to replace an existing app that uses lots of procedures to update and return data.
1. Is it possible to return data from a function that returns a cursor (or from a procedure that has an input/output ref cursor parameter for that matter) ? Example: Let's say I have the following function in a package:
function get_data return sys_refcursor
is
l_cursor sys_refcursor;
begin
open l_cursor for select sysdate as field from sys.dual;
return l_cursor;
end;
Can I add a page with a table that is populated based on this function? Based on my research it is not possible, but I want an APEX expert to confirm it
2. The old application uses CRUD procedures to update date, that is for each table there are 3 procedures, insert update and delete. Question: is it possible to channel all the update, inserts and deletes through these procedures? Furthermore, in lots of cases I use sequences to populate the primary keys, and the new value is returned as output parameter. Can I retrieve the output value and use it maybe in the next page I am branching to?
In the samples that I've seen the same form is used for insert and update. How do I distinguish between the two modes?
3. Can you please point me to some samples that show how to do 1 & 2. The standard samples that I've seen use the automatic row processing.
4. Could you please recommend some good books about Apex or HTML db? I found the documentation unintuitive. It is hard to picture quickly how things tie together by reading this documention. I wish the documentation was more task oriented and presented 'how to...' implement generic patterns used in web apps.
Thank you in advance

Hi guys
Check out the last 2 posts in this thread for ideas on how to implement 1.
Report on user data from LDAP
Varad

Execute store procedure( in Id, in out RefCursor), and data fetched in ref cursor should be sent out as excel sheet.

I am trying to make a ssis package that get the data calling the store proc with two param one is ID and other is Sys_refcursor. Say Store Proc as ListName(Id int, myCur sys_refcursor), which gets the datas with the conditions inside it.
REATE OR REPLACE PROCEDURE schemaName.LISTNAME (P_ID IN INT, LST_NAME_REFCUR IN OUT SYS_REFCURSOR)
IS
P_NAMESOURCE_ID INT;
BEGIN
SELECT SOURCE_ID INTO P_NAMESOURCE_ID FROM SEARCHING_TABLE ST WHERE ST.ID = P_ID;
IF (P_NAMESOURCE_ID=1)
THEN
OPEN LST_SOURCE_REFCUR FOR
SELECT ST.ID,
ST.TRANSACTION_DATE AS TRAN_DATE,
IF (P_NAMESOURCE_ID=1)
THEN
OPEN LST_SOURCE_REFCUR FOR ....
then i need to get the data from that refcursor and fetch those data to excel sheet to a virtual directory.
Any help would be appreciated. I am new to SSIS. and i need to do this assignment this friday.

Hi 11srk,
To fetch data from Oracle store procedure, you can use a Script Component as source to call the Oracle stored procedure by using System.Data.OracleClient OracleDataReader, and get the rows and add them to the pipeline buffer. For more information, please
see:
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/1d0b3a1b-8792-469c-b0d1-f2fbb9e9ff20/dump-oracle-ref-cursor-into-ms-sql-staging-table-using-ssis
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/fcdaa97e-8415-4c3e-8ffd-1ad45b590d57/executing-an-oracle-stored-procedure-from-ssis?forum=sqlintegrationservices
http://msdn.microsoft.com/en-us/library/system.data.oracleclient.oracledatareader(VS.90).aspx
Regards,
Mike Yin
TechNet Community Support

Find data where data not in ref cursor

CREATE OR REPLACE PACKAGE types AS
TYPE weak_ref_cursor IS REF CURSOR;
END types;
CREATE OR REPLACE PROCEDURE procedure_name
(p_getname OUT types.weak_ref_cursor,
p_tablename IN VARCHAR2, p_salary IN NUMBER)
AS
v_tem VARCHAR2 (4000);
BEGIN
v_tem := 'SELECT ENAME FROM ' || UPPER (p_tablename) || ' WHERE sal > :b_salary';
OPEN p_getname FOR v_tem USING p_salary;
END procedure_name;
SQL> EXECUTE procedure_name (:g_getname, 'EMP', 2000);
PL/SQL procedure successfully completed.
Elapsed: 00:00:00.00
SQL> print g_getname;
ENAME
ALLEN
WARD
MARTIN
BLAKE
babu
JOHN
TURNER
7 rows selected.
Now i want to select data from emp table where ename not in ouput of g_getname
Please help me

You cannot select that data from using a query(since the program unit is procedure), instead you can write a code (anonymous pl/sql block) and retrive the records and print them using dbms_output.put_line on console.

Getting data stored in ref cursor ( got from store proc in oracle) to excel sheet)

Hey, I am trying to Get data stored in ref cursor ( got from store proc in oracle) to excel sheet in a virtual folder using ssis.
I am getting errors and cant do it. If anyone can help me

Hi Nabin000,
The Oracle stored procedure doesn't work with SSIS source adapters such as OLE DB Source because the data provider doesn't provide metadata for the source adapter. To achieve your goal, you can use a Script Component as source to call
the Oracle stored procedure by using System.Data.OracleClient OracleDataReader, and get the rows and add them to the pipeline buffer. For more information, please see:
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/1d0b3a1b-8792-469c-b0d1-f2fbb9e9ff20/dump-oracle-ref-cursor-into-ms-sql-staging-table-using-ssis
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/fcdaa97e-8415-4c3e-8ffd-1ad45b590d57/executing-an-oracle-stored-procedure-from-ssis?forum=sqlintegrationservices
http://msdn.microsoft.com/en-us/library/system.data.oracleclient.oracledatareader(VS.90).aspx
Regards,
Mike Yin
TechNet Community Support

Ref Cursor Data Volume

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