Business Intelligence and Data Warehousing.


Business Intelligence and Data Warehousing :

Business Intelligence is a process and methodology to convert raw data in to meaningful information for business use.

     Business Intelligence Tools can be Categorized Into :
  • ETL Tools :
For Extracting Transforming and Loading the data to Data warehouse.
  • Reporting Tools :
Read data, process the data and format the data in to structured reports
and dashboards those are delivered to business users.
  • Data Mining Tools :
Data mining is commonly used for marketing, surveillance, and fraud detection.
  • Knowledge Management Tools :
          Knowledge management tools are used capture, develop, share, and effectively                                          using organizational knowledge


              

What is Data Warehousing ?

A data warehouse is a collection of corporate information, derived directly from operational systems and some external data sources. Its specific purpose is to support business decisions, not business operations.


Characteristics of a Data Warehouse:
  • Subject-oriented Data
 •        Collects all data  for a subject,  from different sources
       Read-only Requests
        Loaded during off-hours, read-only during day hours
  • Interactive Features, Ad-hoc query.
       Flexible design to handle spontaneous user queries.
       Pre-aggregated data
       To improve runtime performance
  •  Highly demoralized data structures
Data Mart :

         It’s a smallest level or Subset of the data warehouse and is specific to a business.
          Example : Sales Data Mart, Orders Data Mart, Finance Data Mart.

Staging Area  :
  •  Is an Intermediate storage area between the source and data warehouse.
  • It’s an area where the cleansing of  raw data takes place
  • It might be UNIX storage mount or relation staging table based on the requirement.
Sources :

It might any OLTP relational or file sources:
   Example : ERP, Mainframe, Oracle, Teradata , DB2.

Available BI Tools In market ?

ETL Tools 
  • Informatica
  • Abintio
  • Data Stage
  • Talend 
Reporting Tools.
  • Cognos
  • Business Objects (BOXI)
  • OBIEE
  • MicroStrategy
Data Bases and Operating Systems used for DW Design

Popular Relational Databases.

• Oracle
• IBM DB2
• Teradata
• Sybase
• MySQL
• Greenplum
• VectorWise

Popular OS Platforms.

• Red Hat Linux
• Solaris Unix
• Window 

Difference Between OLTP and OLAP

OLTP
OLAP
1
OLTP is for Business process or Business Operations.
OLAP is for Business Decisions and Analytics
2
OLTP involves short and fast inserts and updates initiated by end users.
Periodic long-running batch jobs refresh the data
3
Highly normalized with many tables
De-normalized with fewer tables
4
Clerical Users
Managerial/Business Users
5
Detailed Oriented Data
Subject Oriented Data
6
Entity Attribute Relationship Model
Dimensional Modeling
7
Contains Instant Data
Contains Historical Data

 Types of OLAP

ROLAP :

·         Relational Online Analytical Processing.
·         ROLAP data will be stored in Standard Relational Database as a result it doesn’t need any pre computation.
·         ROLAP is scalable to handle large volumes of data.
                Ex : Business Object       
               
MOLAP :

·         Multi Dimensional Online Analytical Processing.         
·         MOLAP is alternative to ROLAP
·         Store pre-computed data in an optimized multidimensional array storage we call it as  cube
·         Query performance will be very high due to the optimized storage.
                 Ex : Cognos.

HOLAP :

·         Hybrid Online Analytical Processing.
·         It’s a combination of ROLAP and MOLAP.
·         Increased Aggregation and Query performance.
                Ex : Micro strategy.



52 comments:

  1. Thanks shivakumar, nice blog to sharing valuable information Java Training Chennai

    ReplyDelete
  2. Hi am, interested learning datawarhousing tool. but i don't selected which tool best in the this tool? please discuss to me shiva Java Training in Chennai

    ReplyDelete
  3. Great post, and great website. Thanks for the information! Odzyskiwanie danych Łódź

    ReplyDelete
  4. Might you be able to envision what the thing that matters is between the over a significant time span showcasing systems?data science course in pune

    ReplyDelete
  5. I was blown out after viewing the article which you have shared over here. So I just wanted to express my opinion on Data Analytics, as this is best trending medium to promote or to circulate the updates, happenings, knowledge sharing.. Aspirants & professionals are keeping a close eye on Data analytics course in Mumbai to equip it as their primary skill.

    ReplyDelete
  6. Great post!
    Thanks for sharing this list!
    It helps me a lot finding a relevant blog in my niche!
    Java Training in Chennai
    Java Training in Coimbatore
    Java Training in Bangalore

    ReplyDelete

  7. Such a very useful article. Very interesting to read this article.I would like to thank you for the efforts you had made for writing this awesome article. I would like to state about something which creates curiosity in knowing more about it. It is a part of our daily routine life which we usually don`t notice in all the things which turns the dreams in to real experiences. Back from the ages, we have been growing and world is evolving at a pace lying on the shoulder of technology. data science course will be a great piece added to the term technology. Cheer for more ideas & innovation which are part of evolution.

    ReplyDelete
  8. I feel very grateful that I read this. It is very helpful and very informative and I really learned a lot from it.
    pmp certification in bangalore

    ReplyDelete
  9. Such a very useful article. I have learn some new information.thanks for sharing.
    data scientist course in mumbai

    ReplyDelete
  10. I curious more interest in some of them hope you will give more information on this topics in your next articles.

    Data science course in mumbai

    ReplyDelete
  11. Excelr is providing emerging & trending technology training, such as for data science, Machine learning, Artificial Intelligence, AWS, Tableau, Digital Marketing. Excelr is standing as a leader in providing quality training on top demanding technologies in 2019. Excelr`s versatile training is making a huge difference all across the globe. Enable ?business analytics? skills in you, and the trainers who were delivering training on these are industry stalwarts. Get certification on "
    best data science course in hyderabad"
    and get trained with Excelr.

    ReplyDelete
  12. Such a very useful Blog. Very interesting to read this article. I have learn some new information.thanks for sharing. know more about

    ReplyDelete
  13. Nice explanations of Tech Cloud ERP’s Business Intelligence Tool, it's good to know that! A friend of mine has implemented a company which is the best ERP software in Hyderabad right now, she provides cloud based ERP software in Hyderabad, so I hope it goes well for her.
    Best Regards

    ReplyDelete
  14. Are you a businessman? Are you facing any kind of crisis in your business? If your answer is yes, then you should meet Antose Antony Bangalore Karnataka to get some good advice on how to overcome such kinds of problems in no time. He is a great person with several years of experience and his proficiency helps him to guide others. can help you in the time of such kinds of problems. You may consult him for better business-related advice.

    ReplyDelete
  15. I’m excited to uncover this page. I need to to thank you for ones time for this particularly fantastic read!! I definitely really liked every part of it and i also have you saved to fav to look at new information in your site.
    ExcelR Data Analytics courses

    ReplyDelete
  16. Great blog thanks for sharing Instagram and Facebook have provided an amazing place for new brands to grow and flourish. We can find the perfect niche for your brand on the best social media platforms. Marketing through social media brings forth global audience without all these physical boundaries. Analyze and take over the competition with ease with Adhuntt Media’s digital marketing tools and strategies.
    digital marketing company in chennai

    ReplyDelete
  17. Nice blog thanks for sharing Karuna Nursery Gardens provides you with the best nursery solutions for setting you up with a glamorous landscape. That’s right, you have finally found the perfect nursery to set you up with the best house garden in Chennai.
    plant nursery in chennai

    ReplyDelete
  18. Excellent blog thanks for sharing Shopping for international cosmetics in Chennai? Look no further, the Pixies Beauty Shop has got your back with hundreds of international brands to choose from, that too with the best value.
    beauty Shop in Chennai

    ReplyDelete
  19. Very nice blog here and thanks for post it.. Keep blogging...
    ExcelR data science training

    ReplyDelete
  20. Attend The PMP Certification in Abu Dhabi From ExcelR. Practical PMP Certification in Abu Dhabi Sessions With Assured Placement Support From Experienced Faculty. ExcelR Offers The PMP Certification in Abu Dhabi.
    ExcelR PMP Certification in Abu Dhabi

    ReplyDelete
  21. After reading your article I was amazed. I know that you explain it very well. And I hope that other readers will also experience how I feel after reading your article.
    ExcelR data analytics courses

    ReplyDelete
  22. Its very informative blog and useful article thank you for sharing with us , keep posting learn Informatica Certification

    ReplyDelete
  23. Great blog thanks for sharing Online marketing has changed how businesses run and succeed in today’s highly competitive world. With Adhuntt Media, your E-commerce store can reach for the stars and find the right customers. Our team of marketing analysts can analyze, strategize and implement the perfect path for you to take to beat your competition and come out as #1.
    social media marketing company in chennai

    ReplyDelete
  24. Nice blog thanks for sharing Say no to unethical ways for growing plants fast. We at Karuna Nursery Gardens stick to traditional and environment friendly methods of caring and growing therefore enabling us to showcase the largest collection on organic plants in Chennai.
    plant nursery in chennai

    ReplyDelete
  25. Excellent blog thanks for sharing Pixies beauty Shop is the best place to buy cosmetics in Chennai. With thousands of premium imported brands to choose from, you’ll never run out of lipstick again. And don’t forget about the best offers and value they provide.
    beauty Shop in Chennai

    ReplyDelete
  26. I am looking for and I love to post a comment that "The content of your post is awesome" Great work!
    ExcelR data analytics courses

    ReplyDelete
  27. I would like to thank you for the efforts you have made in writing this article. I am hoping the same best work from you in the future as well. In fact your creative writing abilities has inspired me to start my own Blog Engine blog now. Really the blogging is spreading its wings rapidly. Your write up is a fine example of it. excelr data science

    ReplyDelete
  28. Its very informative blog and useful article thank you for sharing with us , keep posting learn
    more about Microstrategy Online Training
    Power BI Online Training

    ReplyDelete
  29. I have to search sites with relevant information on given topic and provide them to teacher our opinion and the article.
    data science course in mumbai

    ReplyDelete

Featured Post

Cloud : A Trendsetter Technology