Dynamic Tables & SQL Statements

Example:
A user types in a SQL statement, " Country = 'US' ", into a input field. i read it and copy into table A. how am i supposed to use the statement found in the table to do a comparison of data from table B? i've found a example in the abap documentation but i'm not sure how to retrieve the statement from table A. please provide sample codes so i know how it works. i'll reward handsomely if the answer's close (((((((:
Thanks (:
REPORT demo_special_tech_subroutine_1.
DATA: code TYPE TABLE OF rssource-line,
 prog(8) TYPE c, msg(120) TYPE c, lin(3) TYPE c,
 wrd(10) TYPE c, off(3) TYPE c.
APPEND 'PROGRAM SUBPOOL.'
 TO code.
APPEND 'FORM DYN1.'
 TO code.
APPEND
 'WRITE / ''Hello, I am the temporary subroutine DYN1!''.' "#EC NOTEXT
 TO code.
APPEND 'ENDFORM.'
 TO code.
APPEND 'FORM DYN2.'
 TO code.
APPEND
 'WRIT / ''Hello, I am the temporary subroutine DYN2!''.' "#EC NOTEXT
 TO code.
APPEND 'ENDFORM.'
 TO code.
GENERATE SUBROUTINE POOL code NAME prog
 MESSAGE msg
 LINE lin
 WORD wrd
 OFFSET off.
IF sy-subrc <> 0.
WRITE: / 'Error during generation in line', lin, "#EC NOTEXT
 / msg,
 / 'Word:', wrd, 'at offset', off. "#EC NOTEXT
ELSE.
WRITE: / 'The name of the subroutine pool is', prog. "#EC NOTEXT
SKIP 2.
PERFORM dyn1 IN PROGRAM (prog).
SKIP 2.
PERFORM dyn2 IN PROGRAM (prog).
ENDIF.
Edited by: Leslie Koh on Jan 16, 2008 6:31 AM

Leslie
Check below comments:
types: begin of ty_code, " Type declaration
 text type char255,
 end of ty_code.
data: it_code type table of ty_code, " Internal table to hold the dynamic WHERE condition
 wa_code type ty_code. " Work Area
select * from <tabA> into <itabA>. " tabA is the first table which holds the SQL conditions
loop at <itabA> into <waA>.
 move <waA>-cfield to wa_code-text. " In this example as presuming CFIELD has the SQL condition
 append wa_code to it_code. " Am preparing an internal table with all the conditions
endloop.
* Note that if you have more than one condition you may need to add AND to starting 2nd line
* Now the conditions exists in table it_code, Use the same for next select
select * from <tabB> into <itabB>
 where (it_code). " Retreiving data from table tabB with the SQL conditions from tabA
Hope this helps you understand.
Try using the above code in a temporary program, replace <tabA> with your first table that holds SQL conditions, <tabB> with the second table.
Kind Regards
Eswar

Similar Messages

Dynamic select sql statement

Hi currently i have a problem with the sql statement.
The field name and the table name of the sql statement will depend on what the user input. We need to find out what records is in tableA columnA and not in tableB columnB.
Below is my sql statement:
SELECT * FROM (TABLEA) INTO TABLE ITABA
WHERE (COLUMNA)
NOT IN ( SELECT (COLUMNB) FROM (TABLEB) ).
=============================================
ColumnA = "the user input the field name"
TableA = " the user input the table name"
TableB = " the user input the table name"
The problem lies at the WHERE clause. The system generate a sql error which says "unable to find the field name".

Hi,
Check the following code:
For dynamic table name....
REPORT demo_select_dynamic_database .
DATA wa TYPE scarr.
DATA name(10) TYPE c VALUE 'SCARR'.
SELECT *
INTO wa
FROM (name) CLIENT SPECIFIED
WHERE mandt = '000'.
WRITE: / wa-carrid, wa-carrname.
ENDSELECT.
For dynamic field list
REPORT demo_select_dynamic_columns .
DATA: itab TYPE STANDARD TABLE OF spfli,
wa LIKE LINE OF itab.
DATA: line(72) TYPE c,
list LIKE TABLE OF line(72).
line = ' CITYFROM CITYTO '.
APPEND line TO list.
SELECT DISTINCT (list)
INTO CORRESPONDING FIELDS OF TABLE itab
FROM spfli.
IF sy-subrc EQ 0.
LOOP AT itab INTO wa.
WRITE: / wa-cityfrom, wa-cityto.
ENDLOOP.
ENDIF.
Regards,
Bhaskar

How to dynamically create sql statement for Defaulting Segment Values?

Hi,
Navigation:
1) Descriptive/Segments
2) Query for DFF to be modified
3) Uncheck “Freeze Flexfield Definition”
4) (B) Segments
5) Segments Summary form opens
6) (B) open - Segments form opens
Now, here I want to specify Default type as "SQL Statement" and in the default value field I want to use SQL statement with parameters (to evaluate the default value).
The parameters should be pass at runtime from the form in which we have this DFF. The parameters value should be one of the values which get evaluated at runtime in the form window.
Please suggest how we can achieve this?
Or is there any alternative to achieve this?
Thanks!!
Regards,
Narender
Edited by: Narender Singh on Mar 30, 2010 7:47 AM
Edited by: Narender Singh on Mar 30, 2010 7:48 AM

Jason,
it is possible, though not so simple as with a report.
What you need to do is to create a pipelined function, that returns your date and count data. This pipelined function can be the base of a pseudo-table, which can be used in a select. For the pipelined function you need to define types for one row and a table to define the return-type for your function:
create or replace type calendar_row as object (date_time date, description varchar2(250));
create type calendar_table as table of calendar_row;
Then you can create the package with the function:
================================================
create or replace package dyn_calendar is
procedure set_query(i_query in varchar2);
function view_source return calendar_table pipelined;
end;
create or replace package body dyn_calendar is
v_query varchar2(100) := null;
procedure set_query(i_query in varchar2) is
begin
v_query := i_query;
end;
function view_source return calendar_table pipelined is
TYPE cursor IS REF CURSOR;
c_cal cursor;
v_date_time date := null;
v_description varchar2(100) := null;
r_cal calendar_row;
begin
open c_cal for v_query;
fetch c_cal into v_date_time, v_description;
loop
exit when c_cal%notfound;
r_cal := calendar_row(v_date_time, v_description);
pipe row(r_cal);
fetch c_cal into v_date_time, v_description;
end loop;
return;
end;
end;
================================================
Now you can set query in a PL/SL region before the calendar:
dyn_calendar.set_query(SELECT count(*), ' || :P8_SOURCE_DATE || ' FROM ' || :P8_SOURCE_TABLE || ' GROUP BY ' || :P8_SOURCE_DATE);
and you can base your calendar on the query:
select * from table(dyn_calendar(view_source))
Good luck,
Dik

Using EXECUTE IMMEDIATE with Create Table SQL Statement not working

Hi ,
I am all the privileges given from the SYSTEM user , but still i am not able to create a table under procedure . Please see these and advice.
create or replace procedure sp_dummy as
begin
Execute Immediate 'Create table Dummy99_99 (Dummy_Field number)';
end;
even i tried this way also
create or replace PROCEDURE clearing_Practise(p_file_id in varchar2, p_country in VARCHAR2,p_mapId in VARCHAR2)
AUTHID CURRENT_USER AS
strStatusCode VARCHAR2(6);
BEGIN
EXECUTE IMMEDIATE 'create table bonus(name varchar2(50))';
commit;
EXCEPTION
WHEN OTHERS THEN
dbms_output.put_line('ERROR Creating Table');
END ;

William Robertson wrote:
Since the syntax is correct, my guess is you do not have CREATE TABLE system privilege granted directly to your account. A common scenario is that you have this privilege granted indirectly via a role, allowing you to create tables on the command line, but stored PL/SQL is stricter and requires a direct grant and therefore the procedure fails with 'insufficient privileges'.A bit like he's already been told on his first thread...
Using of Execute Immediate in Oracle PLSQL
Generally you would not create tables from stored PL/SQL. Also as you have found out, it's best not to hide exceptions with 'WHEN OTHERS THEN [some message which gives less detail than the one generated by Oracle]'.Again like he was told on the other thread.
There's just no telling some people eh! :)

Building up dymanic SQL statement from user entered fields on a jsp

Hi guys.
I'm building up a sql statement from a bunch of input fields that the users can type in on a .jsp page. No real problem there, but I get a problem when they type in words with ' character in it Eg: Don't, I'll etc.
This confuses the java code totally and usually results in a spectacular crash of the system.
Any ideas/thought/wild speculations would be most appreciated.
Regards
Elmar Matthee
University of Stellenbosch
South Africa

Even in pure read-only databases SQL injection can be a problem, as the user might be able to read data he should not be able to see.
You can also create dynamically created sql statements using PreparedStatements, that's not a problem, I'm doing it pretty often myself.
List<Object> arguments = new ArrayList<Object>();
StringBuilder sql = new StringBuilder("SELECT foo FROM bar WHERE");
if (someCondition) {
sql.append(" foobar = ? ");
arguments.add(someValue);
if (someOtherCondition) {
sql.append(" AND barfoo = ?");
arguments.add(someOtherValue);
// later on use setObject() to fill in the parametersObviously you'll have to handle putting the correct ANDs and ORs there, but you probably has solved that already, as it isn't any different if you don't use a PreparedStatement.

Dynamic SQL Statement with table name

Dear all
i like to have a SQL statement with a dynamic tablename. Is this possible? If yes, how?
should be something like "select * from <mytablename>"
Thank you
Herbert

Yes this is possible. use the below reference code for this.
data: g_tablename type w_tabname,
gv_dref TYPE REF TO data.
FIELD-SYMBOLS: <g_itab> TYPE STANDARD TABLE.
gv_tabname = p_tablename (take table name form selection screen or as per ur requirement)
CREATE DATA gv_dref TYPE TABLE OF (g_tabname).
ASSIGN gv_dref->* TO <g_itab>.
now use the below select query to fetch the data
SELECT * FROM (gv_tabname) INTO TABLE <g_itab>.
Hope this will help

Dynamic table in a pl/sql script

Hi everybody
how can I design a sql query in a pl/sql script when the table I want to access is built dynamically ?
for instance
select to_char(sysdate,'MON')
into v_month
select * from table_'v_month' --> this is not working
Thanks for your replies
Alain

You will need to use dynamic sql to create a sql statement in PL/SQL.
If you have 8.1.x, you can use EXECUTE IMMEDIATE. You would need to have something like this in you proc.
SELECT TO_CHAR(sysdate,'MON')
INTO v_month;
tname:= 'table_'||v_month;
sqlstr := 'SELECT * FROM '||tname;
EXECUTE IMMEDIATE sqlstr;If you have 8.0.x or less, you will need to use the DBMS_SQL package. This is a little more complicated because you need to do a few more steps, but the principle is similar.
You can see how to use dynamic sql in the PL/SQL manuals, and in the Application Developer guide.

Dynamic table name in native SQL

Hi,
How can i use dynamic table name in native SQL?
My req is to select data from a external database table , but the table name will be only poulated during runtime.
How can i acheive this?
Regards,
Arun.

It should work OK - see demo below.
Jonathan
report zsdn_jc_adbc_test.
start-of-selection.
perform demo_lookup.
form demo_lookup.
data:
    l_error_msg          type string,
    ls_t001              type t001, "Company
    ls_t003              type t003. "Doc types
perform dynamic_lookup
    using
      'T001'
    changing
      ls_t001
      l_error_msg.
write: / l_error_msg.
perform dynamic_lookup
    using
      'T003'
    changing
      ls_t003
      l_error_msg.
write: / l_error_msg.
endform.
form dynamic_lookup
using
    i_tabname            type tabname
changing
    os_data              type any
    o_error_msg          type string.
* Use ADBC to select data
data:
    l_mandt_ref          type ref to data,
    l_result_ref         type ref to data,
    l_mandt              type symandt,
    l_tabname            type tabname,
    l_sql_statement      type string,
    lo_cx_root           type ref to cx_root,
    lo_cx_sql            type ref to cx_sql_exception,
    lo_connection        type ref to cl_sql_connection,
    lo_statement         type ref to cl_sql_statement,
    lo_result_set        type ref to cl_sql_result_set.
clear: os_data, o_error_msg.
get reference of l_mandt into l_mandt_ref.
get reference of os_data into l_result_ref.
l_mandt   = '222'.   "i.e. select from client 222
l_tabname = i_tabname.
try.
      lo_connection = cl_sql_connection=>get_connection( ).
      lo_statement = lo_connection->create_statement( ).
* Set criteria for select:
      lo_statement->set_param( l_mandt_ref ).
      concatenate
        'select * from' l_tabname
        'where mandt = ?'
        into l_sql_statement separated by space.
* Execute
      call method lo_statement->execute_query
        exporting
          statement   = l_sql_statement
          hold_cursor = space
        receiving
          result_set = lo_result_set.
* Get the data from the resultset.
      lo_result_set->set_param_struct( l_result_ref ).
      while lo_result_set->next( ) > 0.
        write: / os_data.
      endwhile.
* Tidy up:
      lo_result_set->close( ).
      lo_connection->close( ).
    catch cx_sql_exception into lo_cx_sql.
      o_error_msg = lo_cx_sql->get_text( ).
    catch cx_root into lo_cx_root.
      o_error_msg = lo_cx_root->get_text( ).
endtry.
endform.

Output fields dynamically from an SQL statement

I'm trying to build an SQL statement that uses the values from one table to form the field names to output in the select statement. I have two tables, pjl_test contains the field names and bp_objects contains the data I want the sql to return... the tables look like this:
pjl_test table:
field_name
OBJECT_TYPE
SHORT_DESCRIPTION
OBJECT_ID
bp_objects table:
object_id, object_type, short_description
275 TS Establish Contract
276 TS Enter contract details
277 TS Review & amend Contract details as required
278 TS Enter/update contractor details
The select statement I'm toying with looks like this:
SELECT (
SELECT field_name
from (SELECT ROWNUM as MyNo, field_name from pjl_test)
where myno = 1) as Name FROM BP_OBJECTS
The problem is that the sql is using the returned field name as a display value instead of a column name and thus outputs the following:
OBJECT_TYPE
OBJECT_TYPE
OBJECT_TYPE
OBJECT_TYPE
I'm sure there must be a way to do this in an single sql statement, is anyone able to advise.
Thanks in advance

I'm sure there must be a way to do this in an single sql statement, is anyone able to advise.No, there is no simple way to get the column name then select those ones in one statement.
Dynamic sql will do that. But not a single statement.
Or maybe some XML package. Then you have to tell about your db vwersion.
Nicolas.

Execute the sql statement stored in table

friends i m in complication that, how can i execute sql statement which is stored in database table.
how can i fetch that particular statement from table and make it execute!!!
Thanks in advance

I think we should stop at this point and have a little think.
My understanding is that your plan is to do the following
-Execute a Dynamic SQL statement which is constructed from values in several columns in a table (Bad idea to begin with)
-The result of the execution is then loaded into PL/SQL.....not sure how you are handling different column lists but I'll assume you are not having to convert every column value to a VARCHAR2
-The values returned are then used in an INSERT statement
So basically your goal here is to take some data from one table and insert it into another table by moving data from SQL to PL/SQL then back to SQL in an elaborate, dynamic way. This is a costly waste of resources and will not scale (this is before we get to the problem of having to read the SQL statement from a table in the first place)
I would recommend looking the INSERT SELECT statement here: http://psoug.org/reference/insert.html
This will get the job done in one go. If you really do need it to be dynamic (which you don't, trust me) then you can still store this statement in your "dynamic SQL" table and execute it using EXECUTE IMMEDIATE although I can say for sure that you're going to run into more problems down the line with this architecture, it won't scale very well, and you'll probably waste at least *1* day of your time every week trying to fix a bug caused by the removal of a table, change to a column name etc.......
However if you believe that storing SQL in a table is the best solution to your problem then go ahead.....at least when you find out that it isn't you'll have learned a valuable lesson.

Dynamic SQL statement in a Procedure

Hi,
is it possible to use a variable in place of a column name in a sql statement inside a procedure. Or to create the whole statement as a sql statement and execute it (preferrably with parameters - rather than concatinating the values).
Thanks for any help or direction
Elliot

Turns out you can do the following very nicely (dynamic sql with parameterized values)
Declare
id number(10,0);
sql_stmt varchar2(300);
fieldName varchar2(30);
fieldValue varchar2(100);
id := 30;
fieldName := 'somecolumn';
fieldValue := 'some value';
sql_stmt := 'UPDATE myTable SET ' || fieldName || ' = :1 WHERE id = :2';
EXECUTE IMMEDIATE sql_stmt USING fieldValue, id;

How to set Query SQL Statement parameter dynamically in Sender JDBCAdpter

Hi All,
I have one scenario in which we are using JDBC Sender Adapter.
Now in this case,we need to set Query SQL Statement with a SELECT statement based on some fields.
This SQL statement is not constant, it would need to be changed.
Means sometimes receiver will want to execute SQL statement with these fields and sometimes they will want to execute it with different fields.
We can create separate channels for each SQL statement but again that is not an optimum solution.
So ,I am looking out for a way to set these parameters dynamically or set SQL statement at Runtime.
Can you all please help me to get this?

Shweta ,
Sometimes receiver will want to execute SQL statement dynamically....
How you will get the query dynamically? Ok Let me assume, consider they are sending the query through file, then its definitely possible. But u need BPM and also not sender JDBC receiver adapter instead, receiver JDBC adapter.
SQL Query File ->BPM>Synchronous send [Fetch data from DB]--->Response -
>...............
Do u think the above design will suit's ur case!!!!
Best regards,
raj.

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||'.applicant_adverseaction_info@'||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||'.edm_application@'||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||'.applicant_adverseaction_info@'||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||'.edm_application@'||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

How to set dynamic table name in sql query?

I want set dynamic table name by parameter in sql query,just like:
select * from :tbname
but run report is error,BI P report table name is invalidation.
What can i do? Thanks!

Hi,
that's only possible inside a data template with a lexical parameter.
Regards
Rainer

How to use a Sybase table in Oracle SQL statement?

How to use a Sybase table in Oracle SQL statement?
Sybase version : 11.9.2.4
Oracle version : 10.2.05
Thanks.

user12088323 wrote:
How to use a Sybase table in Oracle SQL statement?
Sybase version : 11.9.2.4
Oracle version : 10.2.05
Thanks.Any Oracle client connected to the Oracle database can access Sybase data through the Database Gateway for Sybase (it requires an additional license) or the Database gateway for ODBC (it's free).
The Oracle client and the Oracle database can reside on different machines. The gateway accepts connections only from the Oracle database.
A connection to the gateway is established through a database link when it is first used in an Oracle session. In this context, a connection refers to the connection between the Oracle database and the gateway. The connection remains established until the Oracle session ends. Another session or user can access the same database link and get a distinct connection to the gateway and Sybase database.
Database links are active for the duration of a gateway session. If you want to close a database link during a session, you can do so with the ALTER SESSION statement.
To access the Sybase server, you must create a database link. A public database link is the most common of database links.
SQL> CREATE PUBLIC DATABASE LINK dblink CONNECT TO
2 "user" IDENTIFIED BY "password" USING 'tns_name_entry';
--dblink is the complete database link name.
--tns_name_entry specifies the Oracle Net connect descriptor specified in the tnsnames.ora file that identifies the gatewayAfter the database link is created you can verify the connection to the Sybase database, as follows:
SQL> SELECT * FROM DUAL@dblink;
Configuring Oracle Database Gateway for Sybase
{message:id=10649126}

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