Need ur valuable suggestions on performance in sap BI

Hi All,
Hope every one is doing great. Need ur valuable suggestions on performance in SAP BI.
1. what is meant by DB partitioning, in which scenario we use it and what the steps to do this task.
2. Navigational attributes are use when v want to make use of this attr in reporting with certian actions. My question is do navigational attributes improves the performance if so how and if not what are the draw backs.
3. Multiprovider are use to access the data from different infoprovider to generate the reports.
In what way multiprovider inproves the performance??
4. Number Range buffering when it is used what r the steps has to follow ??
5. what is the procedure to calculate the DB statistics. what are the technical conents v install for this, when we install this befor the development are after completion of the developement and in what way they are helpfull to measure the performance.
Thanks in Advance
KK

1. what is meant by DB partitioning, in which scenario we use it and what the steps to do this task.
http://help.sap.com/saphelp_nw70/helpdata/en/33/dc2038aa3bcd23e10000009b38f8cf/content.htm
2. Navigational attributes are use when v want to make use of this attr in reporting with certian actions. My question is do navigational attributes improves the performance if so how and if not what are the draw backs.
Nav Attribute:-
The dataflow performance/space is affected in the infoobject load, since the sid tables is growing with navigational attributes
The dataflow performance/space is not affected in transactional data (except for the aggregates).
So every navigationa attribute in an infoobject can be added to the infocubes without any cost.
The performance in query is affected, but the solution is simple: do not use!
Please check the following thread:
Re: Navigate Attribute
3. Multiprovider are use to access the data from different infoprovider to generate the reports.
In what way multiprovider inproves the performance??
--THis causes performance degradation as OLAP has to divide the query in many sub-queries.
4. Number Range buffering when it is used what r the steps has to follow ??
5. what is the procedure to calculate the DB statistics. what are the technical conents v install for this, when we install this befor the development are after completion of the developement and in what way they are helpfull to measure the performance.
--For DB Statistics :
Ref : SAP Note No: 588668
http://help.sap.com/saphelp_nw04/helpdata/en/19/f832ac5d4611d4aa1500a0c9430730/content.htm

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Needs Your Valuable Suggestion

Hi All,
I have been facing a typical problem related to SQL. Please let me if you have any solution/queries.
Table1 Structure
ID     DPLY_NM     DESC_TX
100001     All Currencies     This parameter allows coverage of all currency codes without
100001     Excluded Cust IDs     Customer account IDs of the Firm
100001     Excluded Trader IDs     Trader IDs of the Firm excluded
100002     Short Sale Times Window     Number of seconds prior to the
100002     XYXZ     XYZ
100003     HR Min Trans Amt     Minimum total transaction
100004     Included Desk IDs     Minimum percentage at
Table2 Structure
ID     DPLY_NM     DESC_TX
100001     All Currencies     This parameter allows coverage of all currency codes without
100001     Excluded Cust IDS     Customer account IDs of The Firm
100001     Excluded Trader IDS     Trader IDs of the Firm excluded
100002     Short Sale Tim Window     Number of seconds prior to the
100003     HR Min Trans Amount     Minimum total transaction
100004     Incl Desk IDs     Minimum percentage at all level
In the above two tables, there is difference between the DPLY_NM and DESC_TX there are four possibility, i have to do log as below condition
DPLY_NM     DESC_TX     Result which we have to Log
Y     Y     No Need to log
Y     N     Do Log
N     Y     Do Log
N     N     Do Log
I have to compare the table 1 with table 2 and log the descripencies as given in above conditions. and the final log should look like-
log start
Difference in display name
Table1     DSPLY_NM
Table2     DSPLY_NM
Table1     DSPLY_NM
Table2     DSPLY_NM
Table1     DSPLY_NM     Extra
Difference in description
Table1     DSPLY_NM
Table2     DSPLY_NM
Table1     DSPLY_NM
Table2     DSPLY_NM
Table2     DSPLY_NM     Extra
log end
I followed the following apporch
I made a master table (MT) of having the all daat of table 1 and table 2 with the flag. The master table looks like given below:
SCNRO_ID     DPLY_NM     DESC_TX     FLAG
100001     All Currencies     This parameter allows coverage of all currency codes without     T2
100001     Excluded Cust IDs     Customer account IDs of the Firm     T2
100001     Excluded Trader IDs     Trader IDs of the Firm excluded     T2
100002     Short Sale Times Window     Number of seconds prior to the     T2
100002     XYXZ     XYZ     T2
100003     HR Min Trans Amt     Minimum total transaction     T2
100004     Included Desk IDs     Minimum percentage at     T2
100001     All Currencies     This parameter allows coverage of all currency codes without     T1
100001     Excluded Cust IDS     Customer account IDs of The Firm     T1
100001     Excluded Trader IDS     Trader IDs of the Firm excluded     T1
100002     Short Sale Tim Window     Number of seconds prior to the     T1
100003     HR Min Trans Amount     Minimum total transaction     T1
100004     Incl Desk IDs     Minimum percentage at all level     T1
FLAG T1: shows the data from T1 table and T2 shows the data from T2 table.
Now created another two table with the interchange of flag they are T3 and T4
the table structure (T3) will be like:
ID     DPLY_NM     FLAG
100001     All Currencies     T2
100001     Excluded Cust IDs     T2
100001     Excluded Trader IDs     T2
100002     Short Sale Times Window     T2
100002     XYXZ     T2
100003     HR Min Trans Amt     T2
100004     Included Desk IDs     T2
and the table structure (T4) will be like:
ID     DPLY_NM     FLAG
100001     All Currencies     T1
100001     Excluded Cust IDS     T1
100001     Excluded Trader IDS     T1
100002     Short Sale Tim Window     T1
100003     HR Min Trans Amount     T1
100004     Incl Desk IDs     T1
Now i run the query giveb below and i got the appropriate record
(select * from MT
minus
select * from T3)
minus
select * from T4;
For finding the descrepancies in description make the two table T5 and T6 as given below
(I need descripencies in the DESC_TX only)
T5 Table structure
ID     DPLY_NM     DESC_TX     FLAG
100001     All Currencies     This parameter allows coverage of all currency codes without     T2
100001     Excluded Cust IDs     Customer account IDs of the Firm     T2
100001     Excluded Trader IDs     Trader IDs of the Firm excluded     T2
100002     Short Sale Times Window     Number of seconds prior to the     T2
100002     XYXZ     XYZ     T2
100003     HR Min Trans Amt     Minimum total transaction     T2
100004     Included Desk IDs     Minimum percentage at     T2
T6 Table structure
ID     DPLY_NM     DESC_TX     FLAG
100001     All Currencies     This parameter allows coverage of all currency codes without     T1
100001     Excluded Cust IDS     Customer account IDs of The Firm     T1
100001     Excluded Trader IDS     Trader IDs of the Firm excluded     T1
100002     Short Sale Tim Window     Number of seconds prior to the     T1
100003     HR Min Trans Amount     Minimum total transaction     T1
100004     Incl Desk IDs     Minimum percentage at all level     T1
Now i run the query given below but i am not getting the appropriated records. Ther are some false record.
(select * from MT
minus
select * from T5)
minus
select * from T6;
Thanks
Anand
Message was edited by:
user567015

Lemme get on the old soapbox.. yet again.. and give you my prepared speech about manners here... yet again..
<soapbox on>
Don't you think that you claiming that your problem is urgent is rude? Are you not saying by that, that other people who also have problems posted here, are less important than your so very special and urgent problem?
And what do you expect from professionals here, with paid jobs, spending their free time to help people like you?
Should they now jump to it, stop with their paid work, and solve your urgent problem for you? Is that not also just plain rude?
I suggest that you first learn some basic manners when using public forums like this. I for one has stopped helping posters who claim their problems as urgent and then demand special treatment in forums like this.
<soapbox off>

Need a Valuable Suggestion.

I am a SAP ABAP Consultant. I know both ABAP and Webdynpro.I want to learn more and more in SAP. Please tell me which module is beneficial for mei.e SAP HANA or SAP BI/BO.

Hi Sarhan,
I am also an ABAPe'r but I dont want to do programming Stuff.
Which area will be better for me?
I attended training on Data modelling and implementation.
What is the scope in the same?
Is there any coding also involved in the same?
Please guide.
BR
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i am new to SAP FICO , i am learning now , but i need your valuable suggestion how to prepare and become Expert like all of you.
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Hi Cabe,
You are correct to guess that its no good to copy juss the program as all the includes and stuff wont be working in your system. The best process would be to do a client copy, but i dont think you will have access to it as it will not be given normally by BASIS guys.
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Proposal for a sticky thread "Performance of SAP standard"

Hello,
in this form there are many questions about your programs, selects function modules but what about the SAP standard programs, they are not always the best performing things on your system. What do you think about a thread with improvements of SAP standard programs?
Ok, that should be the job of SAP, but sometimes everybody needs a little kick.
So this thread should collect suggestions of improvements of SAP coding. These suggestions should be very precise, so SAP should implement them easily. I'm pretty sure, everybody will find some not optimized code during debugging, learning, ... .
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Function module CO_SF_HEADER_GOODS_ISSUE
SELECT SINGLE * FROM caufv WHERE aufnr EQ aufnr.
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autyp
loekz
objnr
gamng
gmein
rsnum
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select single aufnr loekz autyp gamng gmein rsnum
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Not sure I'm on board, I doubt SAP will take suggestions for modifying their code via a forum post, I think it is best to go thru OSS.
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Regards,
Rich Heilman

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The government agency processing the E filing might have a system that is capable of receiving http requests.
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regarding, what has to be done in PI, you just need to configure in ID.
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Don't double post
Re: Need suggession on best Storage systems fro SAP.
Markus

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Edited by: 862944 on Aug 18, 2011 9:52 AM

862944 wrote:
Need help in optimising the performance of a query. Below is the query that is executed on TABLE_A, TABLE_B and TABLE_C with record counts as 10M, 10m and 42 (only) respectively and it takes around 5-7 minutes to get 40 records:
SELECT DISTINCT a.T_ID_, a.FIRSTNAME, b.T_CODE, b.PRODUCT,
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INNER JOIN TABLE_A a ON (a.T_ID_ = b.T_ID_) LEFT JOIN TABLE_C c ON b.PRODUCT = c.PRODUCT
WHERE b.STATUS = 'T' AND (b.TYPE = 'ACTION'
AND ( TRUNC(b.DATE) + 1 = TRUNC(SYSDATE) ) ) AND b.PRODUCT = 2;
Note: Indices on the join columns are available in the respective tables
Please let me know if there is any better way to write it.
Edited by: 862944 on Aug 18, 2011 9:52 AM[When Your Query Takes Too Long|https://forums.oracle.com/forums/thread.jspa?messageID=1812597]

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Need ur valuable suggestions on performance in sap BI

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