LTS doubt

Hello All,
In my physical layer we have some table disconnected(TableA and TableB). When I create a logical table in BMM layer and use these two tables and pull columns from each table and do consistency check, it doesn't give me error msg.So now I have "a" column from TableA and "b" column from TableB they are not actually joined in physical layer but belong to same logical table.
When I create Answer request will it generate cartition product?
I think it will generate query something like this.
select TableA.a, TableB.b from TableA,TableB
Please suggest.
-AMit

First of all, Check whether Table A and B are related through some columns. Then you can create a join between them.

Similar Messages

Question about multiple LTS

Hi,
I am currently working with the rpd and a general doubt pops up... in the physical layer I have dimensions related, like for example Person, related to another dimension City and for example Age (with Foreign Key join):
City -< Person
Age -< Person
So in order to have a true star schema in the BMM, I need to create a single logical table with these three physical tables, right? The question is how.
I can add the physical tables as 3 logical table sources, or have one single logical table source, mapped to these three physical tables.
What is the difference, if any? Can someone explain, please? I always use the first choice (multiple logical table sources, each of them mapped to one physical table), but is it better to have just one single logical table source?
Thanks in advanced :)

I'm not surprised that it works fine, but there is a chance that it can lead to some problems. Let me explain.
You now have three LTS in your Logical dimension table Person.
Person
Age
City
When you create a report with columns from City and the Fact table, the BI Server will need to set up a join path between Fact and City table. There is no other option then via the physical Person table. So the BI Server decides for you to create a join between fact and person and person and city.
When the City is joined to other tables in the physical layer then the BI Server might create another join path between Fact and City, because it thinks it is more efficient. This can lead to inccorect results.
When you add the three physical tables to one LTS, you explicitly tell the BI Server, to create a join path from Fact to City table via the Person table.

Joins in LTS??

Hi all,
can any one help me what is the difference between joins at LTS(general tab) and type of joins when we creating complex join between two tables??
thanks in advance.

Hi,
In addition to the above, in the general tab, when you click on the add button. Then you can see all the tables which you have joined in the physical layer.
And after you add it in the general tab, it appears in the 'Joins' below.
Supposing you have a fact table and you have joined with dimension in the physical layer, then in the fact source when you add, dimension table will be showcased to you.
Select the dimension, and you see the joins with the fact and the dimension appearing by default in the 'Joins' section. And default of 'inner joins'.
This indicates that whenever you are pulling columns from the fact table then the joins with the dimension and fact appears (if you have enabled the 'tick' mark in the 'Joins' sections.
So, if you think you need default joins to happen when the fact columns is pulled then you can enable the joins in the 'Joins' section with fact and dimension. (For example, security purpose, user will always want the joins to appear with a particular fact and dimension).
Or else it will make the join only when the dimension is applied to the fact(joins will be taken according to the physical layer).
Different Joins are
1.Inner
2.Left Outer
3.Right Outer
4.Full Outer
And these joins is fully dependent on the requirement. By default its, inner join.
Hope this clarified all your doubts.
Regards
MuRam

Can we improve perfromence if we add the dimensions in LTS

hi all
i have one small doubt ,
i heard that if we add dimensions in to the fact in LTS(once u double clikc on the LTS in General tab you can find add button from there u can select all the other dimensions which are connected to the fact table , if we add few dimension to the fact table will it increase the performance??
other wise can any one tel me why we have to add the dimensions ,
if we will not add the dimensions to the fact performance problem will come or not?
Thanks
Sreedhar

Sreedhar,
No the performance will not bump up merely adding a dimension as a new source to logical fact table.
Adding sources will not effect performances.
Adding Summary/Aggregate/Materialized Views(Oracle terminology for summary tables) will bump up performance and specifying exact content information is vital.
Google for Aggregate tables in OBIEE. You will find tons of posts.
Let me know if your are not clarified.
mark answers promptly.
J
-bifacts
http://www.obinotes.com
Edited by: bifacts on Nov 15, 2010 9:53 AM

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plz exlain!

Hi
There are 2 tables(open and Closed Items) in FI for Account Payables and Account Receivables and GL accounts
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Can we read and validate the attachment of the mail.If so how to do it.
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Sakthi

Hi Sakthi,
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http://help.sap.com/saphelp_nw2004s/helpdata/en/0d/52b240ac052817e10000000a1550b0/frameset.htm
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Setting Logical Level in LTS

Hi all,
Usually we set the Logical Level (Content Tab) for the LTS in the Fact table.
Is there any best practice to set it for the LTS in Dimension tables too? If yes, why do we do that?
Please clarify on this. This is very urgent.
Regards.

one thing is If you have multiple LTS in a single dimension like detail dim and aggregated dim. then you have to set the content levels for each LTS. Its always a good practice to mention which level the dimension is in any case.

Content tab in LTS

Hi Experts,
What is the purpose of content tab in the logical table source(LTS) after mapping the columns in the LTS why we have to set the logical level for the dimension if we won't set what will happens.
Please let me know with good scenario for better understanding.
Regards,
Edited by: RAJ.bi on Jan 22, 2013 7:57 PM

To use a source correctly, the Oracle BI Server has to know what each source contains in terms of the business model. Therefore, you need to define aggregation content for each logical table source of a fact table. The aggregation content rule defines at what level of granularity the data is stored in this fact table. For each dimension that relates to this fact logical table, define the level of granularity, making sure that every related dimension is defined.
Good scenario is Fact table and Aggregate fact table.
If helps pls mark
Edited by: Srini VEERAVALLI on Jan 22, 2013 9:57 PM
updates?
Edited by: Srini VEERAVALLI on Jan 24, 2013 7:16 AM

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I need to install Forms and Reports 6i in Ubuntu 6.06 LTS.
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Small Doubt Regarding SY-MANDT

Hi All,
     SELECT changenr FROM cdhdr CLIENT SPECIFIED INTO CORRESPONDING FIELDS OF TABLE it_cdhdr
                                         WHERE mandant = syst-mandt
                                         AND   objectclas = 'MATERIAL'
                                         AND   objectid   = wa_matl-matnr
                                         AND   tcode      = 'MM02'.
     I have written the select stament as shown above.
     In this i have a doubt like adding a field sy-mandt in the where condition will increase the Efficiency of program or not.
regards,
raghu.

Hi..
No doubt the efficency would be affected but from business point of view there will many things that need to be checked as in:
If you are viewing data from CDHDR and CDPOS which is client specific then you are not viewing complete data.
These tables give us and document changes made to a particular object in SAP but if anything is cross client like company code(lets assume) then changes to it wont be visible in all the clients..
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Doubts with control break statements on internal table loops (AT/ENDAT)

Hi, i've had a couple of doubts for a long while which I hope someone can clarify today:
1) I know how to use the AT statements, however, i'm not sure I get correctly what this part of help regarding this commands means:
"The control level structure with internal tables is static. It corresponds exactly to the sequence of columns in the internal table (from left to right). In this context, the criteria according to which you sort the internal table are unimportant."
I've always sorted the internal table before the control break and it works that way. For example:
SORT ITAB BY EBELN EBELP.
LOOP AT ITAB.
AT NEW EBELN.
* Code for the order header
ENDAT.
ENDLOOP.
If I don't sort the internal table, it doesn't work! (i get dupplicated processing). In the example, if i have more than one register with the same EBELN and they're not consecutive, the header gets processed twice. I really don't get that part of the help text.
2) I know this: "At the start of a new control level (i.e. immediately after AT), the following occurs in the output area of the current LOOP statement:
All character type fields (on the right) are filled with "*" after the current control level key.
All other fields (on the right) are set to their initial values after the current control level key."
My doubt is: WHY is that this way? Because sometimes (most times) I need those fields INSIDE the statement! So when that happened i've solved it in one of three ways:
LOOP AT ITAB INTO WA_ITAB.
WA_ITAB_AUX = WA_ITAB.
AT NEW FIELD.
 WA_ITAB = WA_ITAB_AUX.
* ...Rest of the code for the first register
ENDAT.
ENDLOOP.
LOOP AT ITAB INTO WA_ITAB.
AT NEW FIELD.
 READ TABLE ITAB INDEX SY-TABIX INTO WA_ITAB.
* ...Rest of the code for the first register
ENDAT.
ENDLOOP.
* (Without AT)
LOOP AT ITAB INTO WA_ITAB.
IF WA_ITAB-FIELD <> FIELD_AUX.
 FIELD_AUX = WA_ITAB_FIELD.
* ...Rest of the code for the first register
ENDIF.
ENDLOOP.
Is there any problem with this way of coding? Can be done better?
Thank you very much in advance.

Hi..,
1)
See if u sort the table on a field on which u r using AT ENDAT .. then all the records which are having the same value for that field will form a group or those reocrds will be at one place.. so when u sort the table for all the records AT ENDAT will get executed onli once..
If u dont sort this table on this field then all these records will be at different places and in between there may be records with different value for this field.. so this AT ENDAT will get executed for each record !!
2)
No u cannot use the Right hand fields of the field in the table .. Because these AT events work as Group based operations... So till that field on which AT ENDAT is working it breaks that record into two groups.. One is the left hand fields including that field.. and right hand fields as another group.. and makes the right hand group as stars ****. Thats y u can observe that even any one field in the left hand group changes the AT ENDAT will get executed !!!!
Hope u understood !!!
regards,
sai ramesh

LOOP DOUBT INSIDE PACKAGE

CREATE PACKAGE EMP_PKG AS
CURSOR EMP_CUR IS
SELECT EMPNO,DEPTNO,SAL,HIREDATE
FROM EMP
WHERE DEPTNO=30;
PROCEDURE P_EMP;
PROCEDURE P_GET_SAL(V_EMPNO NUMBER);
PROCEDURE P_GET_LOC(V_EMPNO NUMBER);
Now inside my Package Body
INSIDE THE MAINPROCEDURE P_EMP
I WILL BE CALLING THE BELOW TWO PROCEDURES
PROCEDURE P_EMP
BEGIN
FOR I IN EMP_CUR LOOP
P_GET_SAL(I.EMPNO);-- DO I NEED TO LOOP AGAIN IN P_GET_SAL PROC?
P_GET_LOC(I.DEPTNO);
END LOOP;
END;
NOW WHAT IAM DOING IS
in my P_GET_SAL Procedure is
PROCEDURE P_GET_SAL(V_EMPNO NUMBER)
V_SAL EMP.SAL%TYPE;
BEGIN
FOR I IN EMP_CUR LOOP
SELECT SAL INTO V_SAL FROM EMP
WHERE EMPNO=I.EMPNO --DOUBT HERE
END;
I WANT TO KNOW WHETHER I NEED TO LOOP AGAIN
HERE OR INSTEAD OF THAT
PROCEDURE P_GET_SAL(V_EMPNO NUMBER)
V_SAL EMP.SAL%TYPE;
BEGIN
SELECT SAL INTO V_SAL FROM EMP
WHERE EMPNO =V_EMPNO;
END;
SINCE iam calling V_EMPNO WITH CURSOR FROM MY
MAINPROCEDURE ..
WILL THE PROCEDURE USES THE CURSOR VALUES
AND LOOP ITSELF FOR EVERY EMPLOYEE TO
GET THE SALALRY ?
PLEASE LET ME KNOW SINCE MY PACKAGE IS MORE THAN 3000
LINES I cant proceed unless its confirmed i can
do so ..

Hi all,
Thanks for Looking into my Problem
I Got answer by MySelf ..i dont need to loop again my sub procedures
if i try to do that iam getting the error
ERROR at line 1:
ORA-06511: PL/SQL: cursor already open
Thank you all once again ..

Doubt on Rows and Coloums in BEx Query Designer.

Hello, Experts.
I have a Doubt in BEx Query Designer.
In the Rows I have a Fiscal year Period, if the user enters the Fiscal year period for e.g. : 001/2006 .
in the columns i have forecast for the Fiscal year period which user entered ( 001/2006 ),   and we have another column pervious ( Prior )fiscal year period ( 001/2005 ).
My Questions is , as we are Restricting with 001/2006 will the query retrieve the values of 2005 or not?
Thanks in Advance .
Sharp

yes i am Doing Offest.
I moved this Fiscal year Period to Free char,   and i Restricted with Pervious Fical Year period and Fical year period . it worked. but
when i kept this in Rows and deleted Previous Fiscal Year period . it is displaying blanks.   in prior years forecast.
is it because i am Ristricting it to only fical year period which user entered
         Colums--> Forcast ( User Entered year )          Prior year
Rows
Fiscal year period
Fiscal year period( user enterd )
Thanks

LTS doubt

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