Need for an infocube
Hi experts.
I am from a Mainframe background and learning SAP.
Can anyone please tell me as to why do we need an Infocube, when we have a full fledged Database?
Regards,
Swaroop.
Hi,
If you take any OLAP systems to create reportsm we need to store the data in some area, that we call it as InfoCube, it is not Two Dimensional Table, it is MultiDimensional Table, so normal Data base is having only Two Dimensional tables, so we need InfoCubes, it is better to gothrough help.SAP and then come.
http://help.sap.com/saphelp_nw2004s/helpdata/en/b2/e50138fede083de10000009b38f8cf/frameset.htm
http://www.thespot4sap.com/articles/SAP_BW_Info_Cubes.asp
Thanks
Reddy
Similar Messages
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Prerequisites for an Infocube to crete BIA indexes
Hi experts,
I am very new to BIA. I have just loaded some data into a Cube and I want to create and fill BIA indexes. But before that I doubt whether we need to do any must-be-done activities such as roll up or compressing that particular request. Please guide me step by step approach to create BIA indexes starting from the load to the cube has been done. Thanks.Hi,
I would like to ad that though technically there are no pre-requisits for an InfoCube to create BWA indexes, from a business side there is. This is assuming being on BW 7.x is not considered as a pre-req.
1. In a BW only enviroment modeling is not very critical as space and selection are both ceheap and manual.
2. Move to BWA and sudeenly space is a very expensive commodity, not only at the time of ourchase but also on an annual basis. In such an environment if re-modelign can reduce the Cube footprint by 30 to 60% then that company has to spend 30-60% less on blades and annual maintenence costs. Or fit 30-60% more cubes into the BWA. This one seems to be a no-brainer.
3. A lot of time we run our queries from Multiproviders and go ahead and index all the Cubes. The in some cases user says that the query response is still the same. When we dive deeper we discover that the query, or Muptiprovider, is dependent on a reporting DSO. Well this reporting DOS must now either be converted to an InfoCube or one built on top for leveraging the BWA. This is a common 1st time mistake with some BWA installations - lessons get learnt quite rapidly
But just at a high level these is a lot of business reasons to reshape the Cubes prior to BWA, or create 'RightModeled" Cubes on top of reporting DSO's. Companies will save manyfolds more in this process and enhance prformances that the cost for deployign this solution. - It's all automated now.. -
Hi experts,
Would it be advisable not to use the autogenerated InfoSource for an InfoCube (name = 8xxxx), create a new InfoSource (name = Zxxxxx) and attach the InfoCube DataSource there? I am planning to create a new InfoSource for an InfoCube and add some additional Key Figures.....
What are the disadvantages of doing this? Would this be a maintenace nightmare?Hi,
I think there is a problem. While you create/generate export datasource from cube(datasource, infosource and mapping will be generated automatically). If you are assigning this perticular datasource to different infosurce(I am not sure it will work if you generate datasource again or activated cube). It will overwites the existing mappings. <b>Test it</b>.
I think you are adding new fields in infosource to write some code in start routine. But its better to maintain new fields in targer and write field level routines by definig some global internal tables or variables, then you no need to enhace the infosource. And also you will not get any problems in future.
Hope it Helps
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help needed for writing query
i have the following tables(with data) as mentioned below
FK*-foregin key (SUBJECTS)
FK**-foregin key (COMBINATION)
1)SUBJECTS(table name)
SUB_ID(NUMBER) SUB_CODE(VARCHAR2) SUB_NAME (VARCHAR2)
2 02 Computer Science
3 03 Physics
4 04 Chemistry
5 05 Mathematics
7 07 Commerce
8 08 Computer Applications
9 09 Biology
2)COMBINATION
COMB_ID(NUMBER) COMB_NAME(VARCHAR2) SUB_ID1(NUMBER(FK*)) SUB_ID2(NUMBER(FK*)) SUB_ID3(NUMBER(FK*)) SUBJ_ID4(NUMBER(FK*))
383 S1 9 4 2 3
384 S2 4 2 5 3
---------I actually designed the ABOVE table also like this
3) a)COMBINATION
COMB_ID(NUMBER) COMB_NAME(VARCHAR2)
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384 S2
b)COMBINATION_DET
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1 383 9
2 383 4
3 383 2
4 383 3
5 384 4
6 384 2
7 384 5
8 384 3
Business rule: a combination consists of a maximum of 4 subjects (must contain)
and the user is less relevant to a COMB_NAME(name of combinations) but user need
the subjects contained in combinations
i need the following output
COMB_ID COMB_NAME SUBJECT1 SUBJECT2 SUBJECT3 SUBJECT4
383 S1 Biology Chemistry Computer Science Physics
384 S2 Chemistry Computer Science Mathematics Physics
or even this is enough(what i actually needed)
COMB_ID subjects
383 Biology,Chemistry,Computer Science,Physics
384 Chemistry,Computer Science,Mathematics,Physics
you can use any of the COMBINATION table(either (2) or (3))
and i want to know
1)which design is good in this case
(i think SUB_ID1,SUB_ID2,SUB_ID3,SUB_ID4 is not a
good method to link with same table but if 4 subjects only(and must) comes
detail table is not neccessary )
now i am achieving the result by program-coding in C# after getting the rows from oracle
i am using oracle 9i (also ODP.NET)
i want to know how can i get the result in the stored procedure itsef.
2)how it could be designed in any other way.
any help/suggestion is welcome
thanks for your time --PradeeshWell I forgot the table-alias, here now with:
SELECT C.COMB_ID
, C.COMB_NAME
, (SELECT SUB_NAME
FROM SUBJECTS
WHERE SUB_ID = C.SUB_ID1) AS SUBJECT_NAME1
, (SELECT SUB_NAME
FROM SUBJECTS
WHERE SUB_ID = C.SUB_ID2) AS SUBJECT_NAME2
, (SELECT SUB_NAME
FROM SUBJECTS
WHERE SUB_ID = C.SUB_ID3) AS SUBJECT_NAME3
, (SELECT SUB_NAME
FROM SUBJECTS
WHERE SUB_ID = C.SUB_ID4) AS SUBJECT_NAME4
FROM COMBINATION C;
As you need exactly 4 subjects, the columns-solution is just fine I would say. -
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Hello,
I have to produce XML to look like:
<?xml version='1.0'?>
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I have a query which does produce that output (except for the roletype attribute), but its performance is horrible; it takes about 40 minutes to return data:
SELECT
XMLROOT(
XMLELEMENT("enterprise",
XMLAGG(
XMLELEMENT("membership",
XMLFOREST( XMLELEMENT("id",cx.mapped_course_id) as "sourcedid"
(SELECT XMLAGG(
XMLELEMENT("member",
XMLFOREST(XMLELEMENT("id",spriden_id) AS "sourcedid",
XMLELEMENT("status",'1') AS "role"
FROM enrollments_fall_sfrstca efs
, spriden sp
, gzv_tuid t
WHERE sp.spriden_change_ind IS NULL
AND sp.spriden_pidm = t.pidm
AND t.tuid = efs.user_name
AND efs.mapped_course_id = cx.mapped_course_id
AND efs.term = cx.semester
, VERSION '1.0', STANDALONE NO VALUE)
FROM courses_xt cx
WHERE cx.semester = :term_code
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Is there some other way I can produce the nesting I need for the vendor's schema?
The source views are basically as follows (showing relevant columns only):
courses_xt:
MAPPED_COURSE_ID SEMEST
AVFT209-13307-201210 201210
AVFT210-13308-201210 201210enrollments_fall_sfrstca:
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AVFT209-13307-201210 FULLERC8
AVFT209-13307-201210 SHUPEK
AVFT209-13307-201210 NOMAN
AVFT210-13308-201210 SHUPEK
AVFT210-13308-201210 PELLONMWhen I have the query without the XML (with the subquery as a column of the outer query), this returns the correct data quickly (a couple of minutes).
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Please advise!
Thanks,
Anita LeesHi Anita,
Have you tried with a GROUP BY and no subquery?
Here's an example using SCOTT schema.
I've used the same tag names and structure so that you can see the analogy :
SELECT XMLElement("enterprise",
XMLAgg(
XMLElement("membership",
XMLElement("sourceid", xmlelement("id", d.deptno))
, XMLAgg(
XMLElement("member",
XMLElement("sourceid",
XMLElement("id", e.empno)
, XMLElement("role",
XMLAttributes(e.job as "roletype")
, XMLElement("status", '1')
FROM scott.dept d
LEFT OUTER JOIN scott.emp e ON e.deptno = d.deptno
WHERE d.deptno IN (10,20)
GROUP BY d.deptno
;which gives :
<enterprise>
<membership>
<sourceid>
<id>10</id>
</sourceid>
<member>
<sourceid>
<id>7782</id>
</sourceid>
<role roletype="MANAGER">
<status>1</status>
</role>
</member>
<member>
<sourceid>
<id>7934</id>
</sourceid>
<role roletype="CLERK">
<status>1</status>
</role>
</member>
<member>
<sourceid>
<id>7839</id>
</sourceid>
<role roletype="PRESIDENT">
<status>1</status>
</role>
</member>
</membership>
<membership>
<sourceid>
<id>20</id>
</sourceid>
<member>
<sourceid>
<id>7369</id>
</sourceid>
<role roletype="CLERK">
<status>1</status>
</role>
</member>
<member>
<sourceid>
<id>7902</id>
</sourceid>
<role roletype="ANALYST">
<status>1</status>
</role>
</member>
<member>
<sourceid>
<id>7566</id>
</sourceid>
<role roletype="MANAGER">
<status>1</status>
</role>
</member>
</membership>
</enterprise> -
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Hope u understoodl
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How many Licenses of Acrobat Professional do I need for Adobe LC PDF Generator
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ATI Radeon 9000 Pro Mac AGP (driver needed for OS 9.2?)
Hi guys!
How's everybody doin?
I just picked up a used ATI 9000 AGP 128 MB (as an upgrade for my G4 Quicksilver 800 MHZ).
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Thanx
Everyone is very helpful around here
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I know it's been a while since we last talked about this issue. Well apparently, I do have OS freezing problems
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http://discussions.apple.com/message.jspa?messageID=4289264#4289264
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After dealing with lots of laptops that got destroyed by daily use, our organizations is considering ordering 25 Thinkpad W530 laptops from Lenovo and we hope that they last a little longer.
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Solved!
Go to Solution.I installed 32GB (4x8GB) of Corsair Vengeance RAM, and it has been working wonderfully since day 1.
Thinkpad W530, i7-3720QM, 1920x1080 screen, 32GB RAM, dual SSDs (Samsung 830, Crucial M4 mSATA), Quadro K2000M, 9-cell battery, DVD burner, backlit keyboard, Bluetooth, Intel 6300 wireless card
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