2. www.edureka.co/data-warehousing-and-bi
What will you learn today?
What is Data Warehousing?
What is Business Intelligence (BI)?
Relation between Data Warehousing and BI
A look at Data Warehousing, ETL and BI tools
Hands-On
3. www.edureka.co/data-warehousing-and-bi
Data is everywhere
Data is everywhere yet …
I can’t find the data I need – data is scattered over many versions with subtle differences
I can’t understand the data I found – data is not well documented
I can’t use the data I found – data needs to be transformed from one form to other
8. www.edureka.co/data-warehousing-and-bi
Database vs Data Warehouse
Database Data Warehouse
Purpose Data retrieval, updating and
management
Data analysis and decision
making
Application OLTP (Online Transaction
Processing)
Reporting and OLAP (Online
Analytical Processing)
Format Normalized Denormalized
Time Frame Current/Real-Time Historical
Note that you can use a database as a data warehouse. It depends on, for which
purpose you have design the database
10. www.edureka.co/data-warehousing-and-bi
What a Data Warehouse is good at ?
Among others, a data warehouse is the foundation for a successful business intelligence program
The Data Warehouse Institute
www.tdwi.org
15. www.edureka.co/data-warehousing-and-bi
Amazon Redshift
Amazon Redshift is a cloud based data warehouse service offered by
Amazon. The great thing about Amazon Redshift is you can start with a
small, single-node cluster and easily scale up to a larger, multi-node cluster
as your data warehouse requirements change.
Amazon Redshift makes it very easy to manage the warehouse with an
intuitive user interface
16. www.edureka.co/data-warehousing-and-bi
Informatica PowerCenter
PowerCenter is Informatica's most widely-used
tool. Informatica PowerCenter tool helps with
the integration of data from almost any
business system in almost any format.
This flexibility of PowerCenter to handle almost
any data makes it the most widely used tool in
the data integration world