How to achieve the mapping logic - to validate incoming empty string

Dear all,
I have the following structure
i have written a udf to validate the field externalid.

Hi,
If at sender side you are connecting to webservice/PROXY then you can limit by creating data type as below.
ID occurrence(1..1) min length(1)
Other than those you can check as below
ID --> mapwithdefault-->equals()-->Not-->map ID value to target field
constant(empty)/
Regards
Venkat

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How to achieve the following logic

I have a target and a source table.
CREATE TABLE scd_tgt(
col1 VARCHAR2(10) not null,
col2 VARCHAR2(10) not null,
start_date DATE not null,
end_date DATEnot null
INSERT INTO scd_tgt VALUES('100','AKS','1-JAN-2010','9-SEP-9999');
INSERT INTO scd_tgt VALUES('101','Singh','1-JAN-2010','9-SEP-9999');
CREATE TABLE scd_src(
col1 VARCHAR2(10) not null,
col2 VARCHAR2(10) not null
INSERT INTO scd_src VALUES('99','Kumar');
INSERT INTO scd_src VALUES('100','Abhijit');
INSERT INTO scd_src VALUES('101','Singh');
Now, I have to perform update/insert data in scd_tgt using source data in scd_src based on the following rules:
1) INSERT any records from the SOURCE that aren't already in the TARGET, based on a col1.
2) If the TARGET has a record present in SOURCE (based on col1) and col2 of TARGET does not match with col2 of SOURCE then UPDATE the end_date to SYSDATE - 1. Proceed to Step 3.
3) INSERT the record from #2 into TARGET. Set start_Date as SYSDATE and end_date as '9-sep-9999'
Can this be achieved using MERGE? I am using 10.2g
After executing the steps scd_tgt should have the following data
99     Kumar     18-JUN-10     09-SEP-99
100     AKS     01-JAN-10     17-JUN-10
100     Abhijit     18-JUN-10     09-SEP-99
101 Singh 01-JAN-10     09-SEP-99

Hi,
With a merge it's not possible if you want to to update and insert (or insert/update) at the same time within the same condition (when matched or when not matched parts of the stement), what's authorizzed with a merge is:
an update + a delete in the "when matched" clause
an insert in the "when not matched" clause
So one solution could be that you use two differents DML op:
UPDATE scd_tgt
   SET end_date =   TRUNC(SYSDATE)
                  - 1
WHERE col1 IN(SELECT col1
               FROM   scd_src)
INSERT INTO scd_tgt
   SELECT col1,
          col2,
          TRUNC(SYSDATE),
          TO_DATE('09-sep-9999', 'dd-mon-yyyy')
   FROM   scd_srcIf the number of rows generally updated by the 1st statement is low (comparing to the volume of the scd_tgt table) an index on col1 in(scd_tgt table) would probably be benifical...
If you never delete from scd_tgt and if the performance goal is qiete important, then consider an /*+ APPEND */ hint with the insert ..
(depends on how many rows are inserted each time this code is ran).
As often this is not the only one solution but this the most simple one
-> In development always remind this addage: the most is simple the code is the better is (for everyone!) ..

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Hi,
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After the new project by importing PPT release, how to achieve the release of the demo mode SWF, but not now only Click to continue?

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How to write the map expression for a const string

hi all,
i am trying to map from source table A to target table B. Table B has a column that A doesn't have and the column type is string.
what should i do if i want to keep this column a const string like "abc"? How to write the map expression?
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In project explorer, I went into schedules. Then i created the schedule. After that, i am not sure, how to link the mapping on this scheduler.
any help is highly appreciated.
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Hi ,
Do you have metalink or my oracle support access ?
If yes then check Note 444877.1 for OWB mapping or process flow scheduling .
1. Verify the mapping or process flow completes successfully.
2. Navigate to the Schedules node in the Design Center Console and create a new Schedules module
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3. Create a new schedule, TEST_SCH, with time greater than current database machine time (server where the job executes).
4. Associate your schedule with the mapping or process flow. Right click the mapping or process flow and select the option "Configure" and "set Referred Calendar" to TEST_SCH.
5. In the Control Center Manager, navigate to your TARGET_LOCATION and note the Scheduled Job TEST_SCH_JOB under the Scheduled Jobs node. Deploy the job with action "Create".
Using SQLPlus logged into the database as the TARGET user, verify the user has a job TEST_SCH_JOB, in state DISABLED:
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How to achieve the results by Query ??

Hello Guys,
I have couple tables which I need to join to get the result....This is what is in the tables...
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3B,1
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Hello
I'm off home now so I can't look at the query, but for future reference, if you want to improve your chances of getting help, you need to provide simple create table statements, and test data to go with it. I've done that with what you provided and hopefully someone else will be able to help. Also, you were asked if you could provide this in your other thread...
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insert into job_2_courses VALUES(2,'C');
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search in sdn.
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[http://www.riyaz.net/blog/sap-pi-abap-mapping-simplified/technology/sap/837/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3ARiyaznetBlog(riyaz.net)]
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Edited by: Chen K V on Jun 13, 2011 12:36 PM

How to achieve the mapping logic - to validate incoming empty string

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