Appreciated if someone can share your good data modeling tips/experience!

Note: we don't want to read SAP Help links and we are tired of reading and understand SAP Help links, just share your own experience of good data modeling tips to improve the data load and query performance.
We will give reward points and thanks in advance!

One more (no giving away any more golden eggs)..
Remember that BW validation is referential integrity and that R/3 is dynpro integrity
Remember this when using compound info objects (ever wondered why some info obejcts that you would consider absolutely essential are not in content cubes..)
Think about the following scenario..
Does R/3 let you save a billing document without passing it through accounting?
Can that process fail?
Can it fail because the customer doesn't exist in Accounting?
Now imagine you have put 0CUST_COMPC (Customer company code) into your Sales Info cube - and have validation switched ON for SID checking
As soon as that SD billing document comes down the line - infopackage failure
Next scenario..
Can you save a purchase order with a blank material..?
Then fancy putting 0MAT_PLANT on your purchasing cube?
Even with validation switched off you are going to have a SID failure on upload (Plant filled - material initial - SID doesn't exist and never will do)

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Ting Rung,
The JClient application will communicate with your application module. So all logic in you app module, EO's and VO's can be resued by JClient. Logic in Jheadstart handlers cannot be reused.
Steven Davelaar,
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Can i copy the data model from report?

hi all
I use oracle reports 6i newlly
I want to make a copy of the data model in one report and paste it to an other report
as they have almost the same structure with little modifications
how can i do that ?
Regards

hi all
I use oracle reports 6i newlly
I want to make a copy of the data model in one report
and paste it to an other report
as they have almost the same structure with little
modifications
how can i do that ?
RegardsCan't you save the Report1 as Report2 (by doing this you will have your Data Model and everything from Report1 will be copied to Report2) and do those little modifications in the Report2.
OR
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I have an Excel file that contains a Power Pivot data model. After running some Power View analysis, I found out that my model was missing some relationships and hierarchies, so I wanted to edit my underlying data model, but I couldn't directly find a way..
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Hi Jasper,
You can do this by opening the workbook from SharePoint in Excel on your desktop and then making the changes. When you save these changes they will be applied to the version in SharePoint.
If you manually download the workbook to a location of your choice, you can then make the changes but they won't automatically be applied to version in SharePoint when you save them. After making your changes to the copy, you can use the 'Upload Document'
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Regards,
Michael
Please remember to mark a post that answers your question as an answer...If a post doesn't answer your question but you've found it helpful, please remember to vote it as helpful :)
Website: nimblelearn.com, Blog:
nimblelearn.com/blog, Twitter:
@nimblelearn

Can you change the data model query dynamically based on its parent query

Hi
Question:
I have a data model query q1 and q2 is the child of q1
Say q1 returns 2 rows and and
for the first row
i want q2 to be select 1 from table1
for the second row
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One simple (but not very realistic) example:
1. DATABASE TABLES AND DATA
CREATE TABLE dept_all (
deptno NUMBER (2),
dname VARCHAR2 (20),
in_usa CHAR (1) DEFAULT 'Y')
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empno NUMBER (4),
ename VARCHAR2 (20),
deptno NUMBER (2))
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INSERT INTO emp_usa VALUES (1002, 'EMP 1002', 10);
INSERT INTO emp_usa VALUES (3001, 'EMP 3001', 30);
INSERT INTO emp_usa VALUES (3002, 'EMP 3002', 30);
CREATE TABLE emp_non_usa (
empno NUMBER (4),
ename VARCHAR2 (20),
deptno NUMBER (2))
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INSERT INTO emp_non_usa VALUES (2002, 'EMP 2002', 20);
2. DATABASE PACKAGE
Note that Oracle Reports 3.0 / 6i needs 'static' ref cursor type for building Report Layout.
So, in package specification we must have both ref cursor types, static for Report Layout
and dynamic for ref cursor query.
CREATE OR REPLACE PACKAGE example IS
TYPE t_dept_static_rc IS REF CURSOR RETURN dept_all%ROWTYPE;
TYPE t_dept_rc IS REF CURSOR;
FUNCTION dept_query (p_where VARCHAR2) RETURN t_dept_rc;
TYPE t_emp_rec IS RECORD (
empno emp_usa.empno%TYPE,
ename emp_usa.ename%TYPE);
TYPE t_emp_static_rc IS REF CURSOR RETURN t_emp_rec;
TYPE t_emp_rc IS REF CURSOR;
FUNCTION emp_query (
p_in_usa dept_all.in_usa%TYPE,
p_deptno dept_all.deptno%TYPE)
RETURN t_emp_rc;
END;
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l_dept_rc t_dept_rc;
BEGIN
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p_in_usa dept_all.in_usa%TYPE,
p_deptno dept_all.deptno%TYPE)
RETURN t_emp_rc
IS
l_emp_rc t_emp_rc;
l_table VARCHAR2 (30);
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USING p_deptno;
RETURN l_emp_rc;
END;
END;
3. REPORT - QUERY FUNCTIONS AND DATA LINK
FUNCTION q_dept RETURN example.t_dept_static_rc IS
BEGIN
-- "p_where" is a User Parameter
RETURN example.dept_query (:p_where);
END;
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BEGIN
-- "in_usa" and "deptno" are columns from Parent Group (G_DEPT)
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END;
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Regards
Zlatko Sirotic

I can't create Entity Data Model Class directly from database

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omer brandis
visit the sap on db2 for z/os blog
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no
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- NL: template_nl.rtf
- DE: template_de.rtf
- EN: template_en.rtf
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Hello,
Probably the easiest would be to use an OnDemand Process and some AJAX to pull your data into the extjs object.
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http://apex.oracle.com/pls/otn/f?p=11933:11
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Carl
blog : http://carlback.blogspot.com/
apex examples : http://apex.oracle.com/pls/otn/f?p=11933:5

Appreciated if someone can share your good data modeling tips/experience!

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