Need to know these topics please ....,

Hi
i faced interview recently, there i was failed due to below questions in BO. Can anyone provide the outputs please.,
1. what kind of limitations do we have whilst using BO on the top of BW/BI? million cells issue
RKF issues
MDX limitations
Hierachy issues
Info provider (ID) issues
filters.
can you explain about the above issues detailly., why those would become as a issue ..??
2. is it good idea to do filters at Query level (BEX) or BO level?
3. Can we create universe on the top of DSO?
4. What kind of limitations do we have using infoset.
5. How would you improve BO query performance?
6. If you introduce new fields in the cube and there was a universe has already been created on
it how would you refresh universe (align).
7. Data issues between BI and BO.
8. New features of BO etc.
9. WEBi/DESKI differences.
10. WEBI/Boxi schedular
Apart above., can anyone send any interview questions and answers on BO please. especially universe and web i.
waiting valuable inputs from you guys. please .,
Thanks in advance.
Regards
swetha

Hi swetha,
1. These are the complete deski, webi differences
[http://wiki.sdn.sap.com/wiki/display/BOBJ/ConversionfromDesktopIntelligencetoWebIntelligence#ConversionfromDesktopIntelligencetoWebIntelligence-DeskIfunctions]
2. How would you improve BO query performance?
At universe level by using loop resolving technique we have a chance to improve the performance and also using the aggregate tables.
in report level removing data provider remove unneccery formales andveriables
At universe level 3 ways we can improve the query performance.
1. Using aggregation tables in scheme.
2. Chnge the Array Fetch parameter.
3. Using shot cut joins.
4. Puting indexes on tables
3.Can we create universe on the top of DSO?
You can build a universe directly on an InfoCube (but NOT on a DSO or InfoSet) without the Data Federator. Still this is not the recommended approach. Please review the section +SAP NetWeaver BW Queries as
recommended data sources+ in the following document: http://help.sap.com/businessobject/product_guides/boexir31SP2/en/xi31_sp2_sap_olap_univ_en.pdf
4.What kind of limitations do we have using infoset.
A. Base64 Optimization
The Base64 optimization (see the Fast Infoset for Java Web Services Developer Pack v2.0 documentation) only applies to schema-defined (or WSDL-defined) elements. It does not apply to attribute values or element values, which are not defined in the schema (for example, those generated by the XWSS library). Moreover, this optimization is turned off when JAX-RPC handlers are defined.
B. XWSS Library Optimizations
Certain optimizations in the XWSS library may not be available when Fast Infoset is turned on
5. Hierarchie Limitations
 If number of expanded hierarchy levels is more than formula will become very lengthy and complicated.
 Used only for displaying two hierarchy levels at a time in report, can be increased for more number of levels but at the same time complexity will increase.
 This logic is specific to expanded hierarchy requirement only.
 Authorization concept as part of this logic is not covered in this above details.
[http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/90ed9723-14ad-2d10-fc9d-910dc8dbc405?quicklink=index&overridelayout=true]
6.Data issues between BI and BO
Will any BI and BW products be combined? Yes. For OLAP Analysis, the capabilities of the BEx Analyzer and BO Voyager will be combined, code-named Pioneer, with a release year set for 2010.
What other products can we expect? 2010 is also the year set for the release of NetWeaver Crystal Reports for Enterprise Reporting (companies can obviously use Crystal Reports now with BOu2019s integration tools). Polestar for NetWeaver, powered by the BIA, is expected in 2009.
All the best,
Praveen

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Need help in these topics. Or links please

Hi guys,
Could you tell me a resource where I can find information on these.
1. Programs written in java to manipulate on String functionaliy like String concat, substring, length and other string methods without using String's Builtin functions.
2. Java resource for Searching and Sorting Algorithms

I shall take a look at Source code that comes with JDK....
I have implemented something for String Concatenation ... I hope its correct....
public class StringConcatEx {
   public StringConcatEx() { }
   public char[] concat(char[] x, char[] y) {
       boolean done;
       char [] ret;
       int len = 0;
       len += x.length;
       len += y.length;
       ret = new char[len];
       for(int i= 0; i<x.length; i++ ){
            ret[i] = x;
for(int i= 0; i<y.length; i++ ){
     ret[x.length + i] = y[i];
return ret;
public static void main(String [] args) {
char charArray[];
StringConcatEx te = new StringConcatEx();
charArray = te.concat("foo".toCharArray(), "bar".toCharArray());
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Probably a really easy question but im really stuck so need to know asap please!

Im currently working on a piece for my final year project that takes a webcam and has an old movie effect over it. I have this all working but what I need to know asap though is,
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KR

hi
i guess what you need is motion detection - when motion is detected, set visibility of black box to true.
this should get you started: http://nocreativity.com/blog/webcam-motion-detection-coolness

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traversing it's software. I just want to take the ALBUM an copy it to the PC (no, not a mac, a PC) an while we're at this
lets specifiy Windows XP Pro full updates & SP's.
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And I don't see why it's so hard for you to understand. Other than the camera roll Photo Sync is intended to be a one way street. PC>Phone.
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You can NOT create an album on the phone. The only place you can place photos on the phone without syncing them is in the camera roll.
There is no magic code that is documented by Apple that you can use to convince your phone it's synced to the new library that was created when you installed iTunes on another computer. Even if there was YOU CAN'T MOVE PHOTOS other than those in the camera roll TO the PC FROM the iPhone using iTunes.
Apparently you did not have the common sense to back up the data on your computer BEFORE you went and formatted the drive.
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Thesis Topic in SAP Order Management

Dear All,
I am currently working as a Intern in SAP Order Management.I am looking for a challenging topic to continue as my master thesis topic.Please guide me
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Dear Mr Wagner,
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I am about to comence my Edit, and was told of Mpeg Streamclip, however this doesn't seem to work with my Canon XF305 Clips, the reason I was told to use it was so I wouldn't have to Render in Final Cut Pro all the time.. I do have the Canon Disc with the Plug in Utility and the update from their site.
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We only work with PR422 files in FC7. We use Shane's workflow with all 5D & MXF footage.
Make your life easier and stick to the ProRes family for your footage and edit sequences. Avoid H264 & convert any you have to ProRes.
Unless you are considering Blu-Ray the only way to deliver video on a DVD is to convert it to SD.
Depending on the length of your show you can make a Blu-Ray in Compressor but you have very limited authoring options when compared to DVD Studio Pro.
Compressor can also convert your HD to SD mpg-2 & Ac3 files. The best results usually come from setting the frame controls in the mpg-2 setting of Compressor to best. Depending on the the length of the show and your Qmaster settings this can take quite a while.
I personally find Compressor's HD to SD DVD conversion varies. Sometimes it is wonderful and sometimes not so much. I prefer the following as it is usually is faster and very consistent.
Export a quicktime movie (not QT conversion) of your final sequence
Import the exported HD file back into FC.
Create a SD 16x9 sequence and then drop in the recently exported HD seq and render. Rendering the sequence basically has FC doing the HD to SD conversion. Export the SD sequence and then convert to mpg-2 & ac3 in Compressor. While this does take time I still find it faster than Compressor with Qmaster utilizing all cores.
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http://pixelcorps.cachefly.net/macbreak-154-540p-h264.mov
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In theory the jobs version could be faster (based on a number of variables- length, Qmaster, etc) but I haven't had time to compare the two.

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Complete Novice-Need to know how to replicate these effects

Hey,
I am currently making some instructional videos for work where we help disabled students with computer software. I write all the scripts, get the audio done and create the videos but used to get another guy to produce them and add the finishing touches. He no longer works for us and I desperatly need to get more done but can't figure out how.
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hold both until maybe an Apple logo appears if nothing after 20 secs
the iPad is toast
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Apple do not do repairs
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