working on applications and technology

When we build data model in OBIEE, We actually use OBIEE administration tools. A client tools that we could define physical layer, logical layer(Business layer) and each field 's label appearance in presentation layer.

The output of these definitions is a file call BI repository file (.rpd) which contain the following data model definition :

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Data model for business intelligence

The most important component of business intelligence is the concept of 'data model'. data model determinde what kind of analysis that end user could do with the data. It is also an independant concept that could span across different vendor 's product.

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What does a business intelligence system made of?

whether the business intelligence product is from Oracle or SAP, They usually provide similar concept for implementing a business intelligence system. These concept is the core of business intelligence and usually share common view even for different company 's products!

These three concept is usually the main concern for building business intelligence system:

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Report and business intelligence

We all understand the word 'report', For most of us, we have the duty to collect data and combine them into report at the quarter end and send it to our manage, our manager combine reports from differnet subordiates and send it to his manager and so on.Read more

What is Oracle partition?
Oracle Partition is an option for Oracle database enterprise edition, It is an answer for very large data managment.
Partition is not difficult to understand though, It is just based on some common sense:

• We could not move a house alone, but we could move a house of box by ourselves.
• It is difficult to find one books out of one million, but finding books out of a hundred could be done.

Partition start with the above common sense for large data management:Read more

I used to maintain two different website for different content, But I find out that I do not have much stamina for maintaining two separate website and thinking of merge my website into one.

Since both website have gain traffic and I do not want to lose any of their traffic , I set out to find ways of merging my websites without losing any traffic.

Fortunetly there 're ways of keeping the traffic loss minimum for merging two website. And It is the same step if you want to change your website 's address to another, and here 's how:

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