Kimball and Inmon methodologies?
Answers were Sorted based on User's Feedback
Answer / anju
Kimball: Data warehouse is combined of all the data marts
in an enterprise.Inofrmation is stored in dimensional model
Inmon:Datawarehouse is a part of business Intelligence
system. An enterprise has one data warehouse and data marts
source information from the datawarehouse.Information is
stored in 3rd normal form
Practically most of the enterprise data warehouses
following Ralph Kimball's methodology.Started as Data marts
and then evolve into data warehouse.
| Is This Answer Correct ? | 10 Yes | 2 No |
Answer / raghu
KIMBALL FIRSTDEVOLEP DATAMATRS
INMON FIRST DEVOLP DATAWAREHOUSE
KIMBOLL:DWH IS ANALYTICAL PROCESSING OF DATA
IMMON:DWH IS SUBORITENED,INTEGRETED,NONVOLATILE
(PERMENT),TIMVARIANT DATEBASE
| Is This Answer Correct ? | 4 Yes | 4 No |
How to read data from flat file source if the data is in paragraph format?
How many ways a relational source definition can be updated and what are they?
how the data will be loaded while desiging the schema?which one first (for e.g.-dimesions and facts)
What is the difference between Bad file and Reject file? and Where u can see the Reject file? What records stored in Reject file?
Suppose i have 10000 records.First time i have to load 1 to 1000 records and second run i have load 1000 to 2000 records and third load i have to load 2000 to 3000 rows .How will achieve
Can we change Dynamic to Static or Persistent cache? If so what happens?
TWO FLAT FILES ARE THERE , EACH HAVING NO MATCHING COLUMNS . HOW CAN U JOIN THESE TWO USING JOINER TRANSFORMATION ?
What is an expression transformation?
How to display session logs based upon particular dates. If I want to display session logs for 1 week from a particular date how can I do it without using unix. ?
How can we handle two sessions in informatica?
What is the Difference between DSS & OLTP?
we have table like cust_id,cust_name,cust_loc like this 1.we need to get perticular location,to do this we can use filter transformatin,that logic is same for relation table and flat file tabl?