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Tuesday, November 3, 2009. Which database to choose as data warehouse? So the company you worked has decided to have a data warehouse.The big question is to choose the right database.Although there are numerous databases in market the choice depend on various factors. 2 Ease of use: Db2 and Oracle are the most user friendly databases available.The amount of computer professionals and tech support avialable for these databases is huge. So far in my career I had seen these databases used mostly. 1 Generall...

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Informatica | dwh-infa.blogspot.com Reviews
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Tuesday, November 3, 2009. Which database to choose as data warehouse? So the company you worked has decided to have a data warehouse.The big question is to choose the right database.Although there are numerous databases in market the choice depend on various factors. 2 Ease of use: Db2 and Oracle are the most user friendly databases available.The amount of computer professionals and tech support avialable for these databases is huge. So far in my career I had seen these databases used mostly. 1 Generall...
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2 2 oracle
3 3 teradata
4 4 sybase
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Informatica | dwh-infa.blogspot.com Reviews

https://dwh-infa.blogspot.com

Tuesday, November 3, 2009. Which database to choose as data warehouse? So the company you worked has decided to have a data warehouse.The big question is to choose the right database.Although there are numerous databases in market the choice depend on various factors. 2 Ease of use: Db2 and Oracle are the most user friendly databases available.The amount of computer professionals and tech support avialable for these databases is huge. So far in my career I had seen these databases used mostly. 1 Generall...

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1

Informatica: October 2009

http://dwh-infa.blogspot.com/2009_10_01_archive.html

Thursday, October 15, 2009. Why it is better to load data into flat files first? If you have dealed with DWH project you will know that in most of the project instead of directly loading data into tables,first data is loaded into flat files.The advantages of loading data into flat files are lot.In some cases even it is loaded into intermediate tables called staging tables. 2Once the load ready files is created the data can be loaded directly into tables which is much speedier process.

2

Informatica: July 2009

http://dwh-infa.blogspot.com/2009_07_01_archive.html

Tuesday, July 7, 2009. Data Warehousing What is it? Data Warehouse is big database which contain huge amount of data for analysis . The data in data warehouse can come from heterogeneous sources as well as from homogeneous sources. Heterogeneous sources mean data coming from differnet databases like DB2,Oracle etc. Homogeneous sources mean data coming from same database. So there are plenty of challenges to be overcome while building a data warehouse. After ETL we load data into Data Warehouse. After the...

3

Informatica: November 2009

http://dwh-infa.blogspot.com/2009_11_01_archive.html

Tuesday, November 3, 2009. Which database to choose as data warehouse? So the company you worked has decided to have a data warehouse.The big question is to choose the right database.Although there are numerous databases in market the choice depend on various factors. 2 Ease of use: Db2 and Oracle are the most user friendly databases available.The amount of computer professionals and tech support avialable for these databases is huge. So far in my career I had seen these databases used mostly.

4

Informatica: Careers in Data Warehousing

http://dwh-infa.blogspot.com/2009/07/careers-in-data-warehousing.html

Monday, July 6, 2009. Careers in Data Warehousing. Well if you reading this you must be interested in a career in data warehousing. Data Warehousing is vast field. So even if you are involved with data warehousing it not necessary that you work in main field that is creating the data warehouse. You can take several roles in the project. I will try to explain in detail two real time projects in latter blog. 6Repors Developer : Ok.The data warehouse has been build but who is going to use it.Here co...Label...

5

Informatica: Mapplets and Transformation

http://dwh-infa.blogspot.com/2009/07/mapplets-and-transformation.html

Tuesday, July 7, 2009. Here I continue to write about Informatica. Mapplet and Transformation are two important things that you will use a lot while developing your mappings. What Exactly is Mapplet. A mapplet is reusable component of mapping.Suppose you feel that you are going to change date to '10/10/2009' whatver date may come for all the tables. For loading data into different tables you will have differnt mapping. You can create a mapplet for such purpose. You can drag this mapplet than to mapping.

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Informatica

Tuesday, November 3, 2009. Which database to choose as data warehouse? So the company you worked has decided to have a data warehouse.The big question is to choose the right database.Although there are numerous databases in market the choice depend on various factors. 2 Ease of use: Db2 and Oracle are the most user friendly databases available.The amount of computer professionals and tech support avialable for these databases is huge. So far in my career I had seen these databases used mostly. 1 Generall...

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