Sql statement in a table not accepting variable

I have the following problem on 10.1.0.3.0 with varialbe in an execute immediate statement
here is the code that I am using
declare
remote_data_link varchar2(25) := 'UDE_DATATRANSFER_LINK';
FROM_SCHEMA VARCHAR2(40) := 'UDE_OLTP';
l_last_process_date date := to_date(to_char(sysdate,'mm-dd-yyyy hh:mi:ss'),'mm-dd-yyyy hh:mi:ss') - 1;
stmt varchar2(4000) := 'MERGE into applicant_adverseaction_info theTarget USING (select * from '||FROM_SCHEMA||'[email protected]'||remote_data_link||' where last_activity > :l_last_process_date ) theSource ON(theTarget.applicant_id = theSource.applicant_id) WHEN MATCHED THEN UPDATE SET theTarget.cb_used = theSource.cb_used, theTarget.cb_address = theSource.cb_address, theTarget.scoredmodel_id = theSource.scoredmodel_id, theTarget.last_activity = theSource.last_activity WHEN NOT MATCHED THEN INSERT(CB_USED, CB_ADDRESS, SCOREDMODEL_ID, APPLICANT_ID, LAST_ACTIVITY) values(theSource.cb_used, theSource.cb_address, theSource.scoredmodel_id, theSource.applicant_id, theSource.last_activity)';
stmt2 varchar2(4000) := 'MERGE into edm_application theTarget USING (select * from '||from_schema||'[email protected]'||remote_data_link||' where last_activity > :l_last_process_date) theSource ON (theTarget.edm_appl_id = theSource.edm_appl_id) WHEN MATCHED THEN UPDATE SET theTarget.APP_REF_KEY = theSource.APP_REF_KEY, theTarget.IMPORT_REF_KEY = theSource.IMPORT_REF_KEY, theTarget.LAST_ACTIVITY = theSource.LAST_ACTIVITY WHEN NOT MATCHED THEN INSERT (EDM_APPL_ID, APP_REF_KEY, IMPORT_REF_KEY, LAST_ACTIVITY) values(theSource.EDM_APPL_ID, theSource.APP_REF_KEY, theSource.IMPORT_REF_KEY, theSource.LAST_ACTIVITY)';
v_error varchar2(4000);
T_MERGE VARCHAR2(4000);
stmt3 varchar2(4000);
BEGIN
select merge_sql
INTO T_MERGE
from transfertables
where table_name= 'edm_application';
remote_data_link:= 'UDE_DATATRANSFER_LINK';
FROM_SCHEMA := 'UDE_OLTP';
--DBMS_OUTPUT.PUT_LINE(SUBSTR(stmt2,1,200));
--STMT2 := T_MERGE;
dbms_output.put_line(from_schema||' '||remote_data_link||' '||l_last_process_date);
EXECUTE IMMEDIATE stmt2 using l_last_process_date;
--execute immediate stmt3 ;
dbms_output.put_line(from_schema||' '||remote_data_link||' '||l_last_process_date);
dbms_output.put_line(substr(stmt2,1,200));
commit;
EXCEPTION
WHEN OTHERS THEN
V_ERROR := SQLCODE||' '||SQLERRM;
v_ERROR := V_ERROR ||' '||SUBSTR(stmt2,1,200);
DBMS_OUTPUT.PUT_LINE(V_ERROR);
--dbms_output.put_line(substr(stmt2,1,200));
END;
This works perfectly
but if I change it to get the same statement in a db table
declare
remote_data_link varchar2(25) := 'UDE_DATATRANSFER_LINK';
FROM_SCHEMA VARCHAR2(40) := 'UDE_OLTP';
l_last_process_date date := to_date(to_char(sysdate,'mm-dd-yyyy hh:mi:ss'),'mm-dd-yyyy hh:mi:ss') - 1;
stmt varchar2(4000) := 'MERGE into applicant_adverseaction_info theTarget USING (select * from '||FROM_SCHEMA||'[email protected]'||remote_data_link||' where last_activity > :l_last_process_date ) theSource ON(theTarget.applicant_id = theSource.applicant_id) WHEN MATCHED THEN UPDATE SET theTarget.cb_used = theSource.cb_used, theTarget.cb_address = theSource.cb_address, theTarget.scoredmodel_id = theSource.scoredmodel_id, theTarget.last_activity = theSource.last_activity WHEN NOT MATCHED THEN INSERT(CB_USED, CB_ADDRESS, SCOREDMODEL_ID, APPLICANT_ID, LAST_ACTIVITY) values(theSource.cb_used, theSource.cb_address, theSource.scoredmodel_id, theSource.applicant_id, theSource.last_activity)';
stmt2 varchar2(4000) := 'MERGE into edm_application theTarget USING (select * from '||from_schema||'[email protected]'||remote_data_link||' where last_activity > :l_last_process_date) theSource ON (theTarget.edm_appl_id = theSource.edm_appl_id) WHEN MATCHED THEN UPDATE SET theTarget.APP_REF_KEY = theSource.APP_REF_KEY, theTarget.IMPORT_REF_KEY = theSource.IMPORT_REF_KEY, theTarget.LAST_ACTIVITY = theSource.LAST_ACTIVITY WHEN NOT MATCHED THEN INSERT (EDM_APPL_ID, APP_REF_KEY, IMPORT_REF_KEY, LAST_ACTIVITY) values(theSource.EDM_APPL_ID, theSource.APP_REF_KEY, theSource.IMPORT_REF_KEY, theSource.LAST_ACTIVITY)';
v_error varchar2(4000);
T_MERGE VARCHAR2(4000);
stmt3 varchar2(4000);
BEGIN
select merge_sql
INTO T_MERGE
from transfertables
where table_name= 'edm_application';
remote_data_link:= 'UDE_DATATRANSFER_LINK';
FROM_SCHEMA := 'UDE_OLTP';
--DBMS_OUTPUT.PUT_LINE(SUBSTR(stmt2,1,200));
STMT2 := T_MERGE;
dbms_output.put_line(from_schema||' '||remote_data_link||' '||l_last_process_date);
EXECUTE IMMEDIATE stmt2 using l_last_process_date;
--execute immediate stmt3 ;
dbms_output.put_line(from_schema||' '||remote_data_link||' '||l_last_process_date);
dbms_output.put_line(substr(stmt2,1,200));
commit;
EXCEPTION
WHEN OTHERS THEN
V_ERROR := SQLCODE||' '||SQLERRM;
v_ERROR := V_ERROR ||' '||SUBSTR(stmt2,1,200);
DBMS_OUTPUT.PUT_LINE(V_ERROR);
--dbms_output.put_line(substr(stmt2,1,200));
END;
I get ora-00900 invalid sql statement
can somebody explain why this happens
Thanks

I agree with jan and anthony. Your post is too long and ill-formatted. However here's my understanding of your problem (with examples though slightly different ones).
1- I have a function that returns number of records in a any given table.
  1  CREATE OR REPLACE FUNCTION get_count(p_table varchar2)
  2     RETURN NUMBER IS
  3     v_cnt number;
  4  BEGIN
  5    EXECUTE IMMEDIATE('SELECT count(*) FROM '||p_table) INTO v_cnt;
  6    RETURN v_cnt;
  7* END;
SQL> /
Function created.
SQL> SELECT get_count('emp')
  2  FROM dual
  3  /
GET_COUNT('EMP')
              14
2- I decide to move the statement to a database table and recreate my function.
SQL> CREATE TABLE test
  2  (stmt varchar2(2000))
  3  /
Table created.
SQL> INSERT INTO test
  2  VALUES('SELECT count(*) FROM p_table');
1 row created.
SQL> CREATE OR REPLACE FUNCTION get_count(p_table varchar2)
  2     RETURN NUMBER IS
  3     v_cnt number;
  4     v_stmt varchar2(4000);
  5  BEGIN
  6     SELECT stmt INTO v_stmt
  7     FROM test;
  8     EXECUTE IMMEDIATE(v_stmt) INTO v_cnt;
  9     RETURN v_cnt;
10  END;
11  /
Function created.
SQL> SELECT get_count('emp')
  2  FROM dual
  3  /
SELECT get_count('emp')
ERROR at line 1:
ORA-00942: table or view does not exist
ORA-06512: at "SCOTT.GET_COUNT", line 8
ORA-06512: at line 1
--p_table in the column is a string and has nothing to do with p_table parameter in the function. And since there's no p_table table in my schema function returns error on execution. I suppose this is what you mean by "sql statement in a table not accepting variable"
3- I rectify the problem by recreating the function.
  1  CREATE OR REPLACE FUNCTION get_count(p_table varchar2)
  2     RETURN NUMBER IS
  3     v_cnt number;
  4     v_stmt varchar2(4000);
  5  BEGIN
  6     SELECT replace(stmt,'p_table',p_table) INTO v_stmt
  7     FROM test;
  8     EXECUTE IMMEDIATE(v_stmt) INTO v_cnt;
  9     RETURN v_cnt;
10* END;
SQL> /
Function created.
SQL> SELECT get_count('emp')
  2  FROM dual
  3  /
GET_COUNT('EMP')
              14
Hope this gives you some idea.-----------------------
Anwar

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    Wolf
    ==========================================================================
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              finally {
                   try {
                        if (conn!=null)
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                   }catch(SQLException e){
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    Hello Luis,
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    http://support.apple.com/kb/ht1311
    Thank you for posting in the Apple Support Communities. 
    Best,
    Sheila M.

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    Jurgen

    Hi Visakh,
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    Thx in advance
    Jurgen
    Yes exactly
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    Ok I've seen the invocation error mostly inside script task. This may be because some error inside script written in script task. If it appeared after you removed the variable then it may because some reference of variable existing within script task.
    Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

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    We have been requested to add a field that already exists in the table referred to by the sql statement in Oracle Reports Builder. The report was set up by a consultant about 3 yrs ago and we don't really have much skill in this area. What is happening when I try to modify the SQL statement, either adding a field or deleting a field to the SELECT statement, causes an error message preventing the statement from being saved. The only way out of the error message is to click Cancel. The error message is
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                    p.BIRTH_DATE, p.GENDER Sex,
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                    a.academic_period TERM,        
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                                 ELSE ' '
                    END AS Program,
                    a.COLLEGE, a.degree, a.major, ' ' rule,
                    a.STUDENT_POPULATION,a.STUDENT_LEVEL,    a.application_status Status,  a.application_status_date app_sts_dte,
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                    ad.decision1||' '||ad.decision2||' '|| ad.decision3||' '|| ad.decision4||' '|| ad.decision5 Decisions,
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                                END
                    END AS FIRST_CONTACT,
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  • DBIF_RSQL_INVALID_RSQL The maximum size of an SQL statement was exceeded

    Dear,
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    559                  APPENDING TABLE IKNA1
    560                  UP TO RSEUMOD-TBMAXSEL ROWS BYPASSING BUFFER
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        An exception occurred that is explained in detail below.
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    SQL sentence
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    551       %_TAB2[] = %_tab2_field[].
    552     endif.
    553   endif.
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    560                  UP TO RSEUMOD-TBMAXSEL ROWS BYPASSING BUFFER
    561    WHERE KUNNR IN I1
    562    AND   NAME1 IN I2
    563    AND   ANRED IN I3
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    569    AND   J_3GETYP IN I9
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    Hi,
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    It has not been necessary in RDC Crystal Report or RAS Crystal Report in a classic asp envoriment.
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    Try
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    conn.Open()
    Dim sd As New SqlDataAdapter(New SqlCommand(nySQL, conn))
    Dim ds As New Data.DataSet()
    Dim navn As String = report.Database.Tables.Item(0).Name
    sd.Fill(ds, navn)
    report.SetDataSource(ds)
    conn.Close()
    Catch ex As Exception
    Throw
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