BW VS other data warehousing tools
What are some of the fundamental differences between SAP BW and other datawarehousing tools like Business objects and Cognos.
Please provide specific points for each of the tools.
Thanks
Hi
See the following
SAS or BW as reporting tool
Re: Difference between COGNOS and SAP BW
Assign points if useful
Cheers
N Ganesh
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Scope for data warehousing ETL Tool
Hi all
can anybody explain scope for data warehousing ETL Tool
for oracle developer in future this is ok or..
regards
Message was edited by:
174313What exactly is your question?
The scope of using an ETL tool would be setting up and maintaining datawarehouses and building ETL processes to populate these datawarehouses.
A tool is generally preferred over hand coding because tools allow better maintenance, shorter development cycles etc.
Oracle has a pretty good ETL tool, called Oracle Warehouse Builder. It's not the best tool available, but if you compare price/ functionality I would say in most cases it will do.
If your question is if it's a wise pick to master OWB or any ETL tool my answer would be a clear YES! Datawarehouses and BI are becoming more important every day, their use gets broader everyday.
If your question is if an investment in OWB is a wise investment for the future I would answer a clear YES again. It's increddilbe to see what progress Oracle made with the tool, coming from a 'laughing stock' postition, regarded completely immature good for nothing tool, to where they are now, with 10.2. Regarded as one of the leaders by Gartner.
Oracle has recognized (a long while ago) that ETL is the bread and butter of the future and invests in a good quality tool for accomplishing this.
I hope this answes your question, if not, please try to specify more clearly.
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Toin. -
Access data from a third party warehousing tools in BEx WAD
Hi,
I would like to know whether it's possible to access data from a third party warehousing tools ( For eg: Cognos) in BEx Web Application designer. Any help would be appreciated.
ThanksHi,
BEx Web Application designer is only integrated to BIW server. So We can not access data of other tools unless the data is stored in the BIW server as the data in any data target.
With rgds,
Anil Kumar Sharma .P -
What are the uses of diffrent concepts in data warehousing
What are the uses of diffrent concepts in data warehousing? Why?
naveenHi,
Your statement is correct. To be crisp, the portal offers a single point of access to SAP and non-SAP information sources, enterprise applications, information repositories, databases and services in and outside your organizationall integrated into a single user experience. It provides you the tools to manage this knowledge, to analyze and interrelate it, and to share and collaborate on the basis of it.
With its role-based content, and personalization features, the portal enables usersfrom employees and customers to partners and suppliersto focus exclusively on data relevant to daily decision-making processes
To read more visit,
http://help.sap.com/saphelp_nw04/helpdata/en/a9/76bd3b57743b09e10000000a11402f/frameset.htm
Regards
Srinivasan T -
Hello People,
Now,I am engaging in a new data warehousing project.It is the first time for me building a data warehouse, so I've encountered a lot of difficulties.I hope that I can get much help from the accommodating people here.
The source data of this data warehousing comes from a sms(cell phone short message)gateway's log files.The log files recorded every piece of the short messages,which were sent to a certain service-processing application from a user's cell phone(kind of MO message),or were sent to a user's cell phone from a service-processing application(kind of MT message).Every record of the log fils have many properties of the short message, including sending time,user's phone number,service-provider's code,charge value,the id of the short message and so on.
Now,we hope to build a data warehousing over these data. Our plan was devided into two parts,first is to build the data warehousing and realize some simple statistic function and OLAP function on the data warehousing, second is to do something with data mining technology.I am now facing the designing work,but I have something uncertain.
1.How to design the dimention?We difined three dimentions,time,district and service using the OWB tool.Every dimention has some levels and some levels form a hierarchy.In the OWB,every level need some attributes to be defined, I am uncertain which attributes are necessary or not,and uncertain the data type of
every attribute.
2.How many fact tables are necessary?According to our source data, two kinds of data are available,the MO messages and the MT messages,so I create two fact tables.I don't know whether it is appropriate.
3.What colomns should a fact table contain?Our first phase of our plan is to realize some statistic functions.One is counting the flux of short message within one hour,one day or a certain spell.One is counting the sum of the users, who had used certain service within a spell.One is counting the profits,for every record of the short message includes the charge value.So, I created the fact tables including every field of the log files.I know it is not good,but I don't know what the good method is.
4.How to plan the materialized views?I know the materialized view is the key part to improve query performance.
Above are the difficulties that I am encountering now.As you seen, I am definitely a tyro, I eagerly need help.I am longing for your email, thank you!Hi there,
There is an active data warehousing communite at www.datawarehousing.com, where you can send an email to the dw-list.
Cheers
A. Elliott -
Best Course for Data Warehousing
Hi,
I am planning to join data warehousing course .I heard there is lot courses in data warehousing .
Data warehousing with ETL tools or
Data warehousing with Crystal Reports or
Data warehousing with Business object or
Data warehousing with Informatica or
Data warehousing with Bo-Webel or
Data warehousing with Cognos or
Data warehousing with Data Stage or
Data warehousing with MSTR or
Data warehousing with Erwin or
Data warehousing with oracle.
Please suggest me which best to choose and which have more scope because I don't know the ABC of data warehousing but I have some experience in oracle.
Is it must that I need work experience in data warehousing then only can get a job ?Please tell me which is the best book for data warehousing which should start from scratch. Please give your suggestions about to my queries.
Thanks & Regards,
RajiHi,
Basically Datawarehouse is a concept.To develop DW , we need two tools mainly. One is ETL tool and other one is Reporting tool .
The few famous ETL tools are
Informatica
Data Stage
Few famous Reporting tools are
Crystal Reports
Cognos
Business object
As a DW developer you should aware of atleat one ETL tool and atleat one Reporting tool.The combination is your choice.It better to finout the best combination in point of job market , and then learn them.
Erwin is Datamodel tool. It can aslo be used in DW implementation. You have already have experience on ORacle,So my adivce is go for Data warehousing with oracle or Data warehousing with Informatica .And learn one reporting tool.I donot is there any reporting tool available from ORACLE.
My suggestion on books.
Fundamentals of Datawarehouse by PaulRaj Ponnai and
Datawarehouse toolkit.
http://www.inmoncif.com/about.html is one of the best site for Datawarehouse.
With rgds,
Anil Kumar Sharma .P
Assigning points is the way to say thanks in SDN site. -
ALM - Visual Studio Database Projects and Data Warehousing
I have moved onto a team doing data warehousing. In the past I have performed application lifecycle managment using Visual Studio and TFS for web and test projects. I am helping my current team define a plan to start using TFS 2010 and Visual Studio 2012
to manage our schema and T-SQL code (develop, build, and deploy). I was wondering if there are a set of best pracitices specific to databases with large data volumes on multicoatabase Windows servers. Some of our deployment edge cases involve long running
data migrations (which we can manage in an ETL tool) and schema upgrades to larger tables. That last one is what I need some guidance on. any guidance on applying ALM best practices to warehouses with larger volumes of data would be greatly appreciated. Thanks.
Eric AldingerAny ideas for Eric? Is this the right forum?
Thanks!
Ed Price (a.k.a User Ed), SQL Server Customer Program Manager (Blog,
Small Basic,
Wiki Ninjas,
Wiki)
Answer an interesting question?
Create a wiki article about it! -
pls help me in knowing the differences between database and data warehousing in detail
send me links and PDF if u have
thanksHi Ranjith,
A data warehouse is, primarily, a record of an enterprise's past transactional and operational information, stored in a database designed to favour efficient data analysis and reporting (especially OLAP). Data warehousing is not meant for current, "live" data.
A database is a collection of information stored in a computer in a systematic way, such that a computer program can consult it to answer questions. The software used to manage and query a database is known as a database management system (DBMS). The properties of database systems are studied in information science.
[http://www.webopedia.com/TERM/D/data_warehouse.html]
BW is an analytical tool where reports from various module of business can be handled easily and very faster .
ABAP reports will make burden on OLTP server.
BW data is designed for reports.
Also check the links:
The Home of SAP Business Warehouse (BW)
[http://www.erpgenie.com/sap/sapfunc/bw.htm]
SAP Business Information Warehouse
[http://help.sap.com/saphelp_nw04/helpdata/en/b2/e50138fede083de10000009b38f8cf/content.htm]
Business Intelligence : Programming in BW
[https://www.sdn.sap.com/irj/sdn/wiki?path=/display/bi/programminginBW&]
BW and Portals 2005
[https://www.sdn.sap.com/irj/sdn/bi-and-portals2005]
SAP Business Warehouse (BW) Overview
[http://gleez.com/sap/bw/overview]
Hope this helps
Regards
Hemant Khemani -
Data warehousing book - guidance
can someone point out a good book on data warehousing with 10g, a book that focuses on concepts and details of the technology - more than focusing on how to use oracle tools- beginner/intermediate level?
thanks and sorry if the post is in the wrong context, i just thought i'd get guidance from people who use the technologyI would recommend looking at the following database documentation (these links are for 11g documentation but the majority of concepts are applicable to all versions of the database):
2 Day + Data Warehousing Guide
http://www.oracle.com/pls/db111/to_toc?pathname=server.111/b28314/toc.htm
Data Warehousing Guide
http://www.oracle.com/pls/db111/to_toc?pathname=server.111/b28313/toc.htm
OLAP User's Guide
http://www.oracle.com/pls/db111/to_toc?pathname=olap.111/b28124/toc.htm
Data Mining Concepts
http://www.oracle.com/pls/db111/to_toc?pathname=datamine.111/b28129/toc.htm
Also look at the whitepapers published on the Data Warehouse Technology Center home page on OTN : http://www.oracle.com/technology/tech/bi/index.html
Hope this helps
Keith Laker
Oracle EMEA Consulting
BI Blog: http://oraclebi.blogspot.com/
DM Blog: http://oracledmt.blogspot.com/
BI on Oracle: http://www.oracle.com/bi/
BI on OTN: http://www.oracle.com/technology/products/bi/
BI Samples: http://www.oracle.com/technology/products/bi/samples/ -
Hi there,
I'm a recent graduate and I want to look for a job in data warehousing. Could you give me some tips as to what
skill set/knowledge is required to be successful in this domain? I'm familiar with the basics of SQL, PL/SQL but I'd like
to master or improve my skills here.
I've Oracle complete reference with me. I'm sure there are tons of books out there. But could some of you give me
few suggestions?
I really appreciate your help.
Thanks.Skills required depend on the environment and your job role.
Different organisations will have a different mix of skills.
Oracle Discoverer
Oracle Warehouse Builder
Oracle business Intelligence
DB administration (specific skills would be partitioning, materilized views)
sql tuning skills (essential)
pl/sql skills (essential)
unix/linux knowledge
database design skills
Reporting tool (varies by organisation)
And whats the motivation for wanting to work in a datawarehouse environment? -
hi folks
i wanna to build data warehous for simple oracle database
what is the tool used to built data warehouse
in sql server its sql server analysis manager but i don't know what its in oracle ?ORACLE WAREHOUSE BUILDER.
see:
http://download-east.oracle.com/docs/cd/B31080_01/doc/nav/portal_booklist.htm -
pls help me in knowing the differences between database and data warehousing in detail
send me links and PDF if u have
thanksHi,
A data base is a structured collection of records or data. A computer database relies upon software to organize the storage of data. The software models the database structure in what are known as database models.
A data warehouse is a repository of an organization's electronically stored data. Data warehouses are designed to facilitate reporting and analysis.This classic definition of the data warehouse focuses on data storage. However, the means to retrieve and analyze data, to extract, transform and load data, and to manage the dictionary data are also considered essential components of a data warehousing system. Many references to data warehousing use this broader context. An expanded definition for data warehousing includes business intelligence tools, tools to extract, transform, and load data into the repository, and tools to manage and retrieve metadata.
Regards. -
Does BusObj Enterprise have a "warehousing" tool?
Hello all,
I am trying to grasp an understanding of the BusObj tools without a salesperson telling me that "each tool can do everything I need".
I need assistance with the following scenario:
We keep track of records that can change data multiple times a week. For instance, on Monday:
FP1.0 = 10 records
FP2.0 = 20 records
By next Monday, management can re-target records to the correct FP:
FP1.0 = 15 records
FP2.0 = 15 records
Then next Monday:
FP1.0 = 15 records
FP2.0 = 30 records
Our current reporting environment has a (obsolete)tool that does "data warehousing" every Monday. With the Warehousing tool, we can get a trend (bar/line) chart that shows
how the number of records have changed for each feature package each Monday. We NEED to know that there were 20 FP2.0 records 3 weeks ago, down to 15, then back up to 30... If I use Crytal Reports, it seems like I would just get 30 records on this past Monday's date. The fields asked for charting vary, so I can't script some type of "history-type" field to keep track on a weekly basis. Is there a "warehousing-type" tool from BusObj that does this and can replace our obsolete tool?
Again,
I am just looking to have an area that stores the fact that each Monday could contain new data for trending.
thanks...You might check the Business Objects > Enterprise Information Management forum, that may be closer to what you're seeking.
Sincerely,
Ted Ueda -
Difference between OLAP, Data Mining and Data Warehousing
Dear Sirs,
I am new to the above topics, but I know oracle DBA very well. I would like to move into the above field. Hence, can anyone tell me the basic oracle softwaare used for OLAP, Data Mining and Data warehousing and also in brief the difference between these three.
I would be great helpfull to me.
Thanks & Regards,
Manoj MathewHi Manoj Mathew,
Check these links to what Oracle has to say about its own software specific for these topics:
DataMining (tool is Oracle Data Miner): http://www.oracle.com/technology/products/bi/odm/index.html
Datawarehousing (tool is OWB): http://www.oracle.com/technology/products/warehouse/index.html
OLAP (tool = Analytic Workspace Manager): http://www.oracle.com/technology/products/bi/olap/olap.html
Good luck, Patrick
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