Explain what are the various transformation available?
No Answer is Posted For this Question
Be the First to Post Answer
What are aggregate fact tables ? why they are needed? give an example
Is there any default username & pwd for bo designer & supervisor?
What is the difference between olap and oltp?
Explain what is the advantages data mining over traditional approaches?
What are the different types of datawarehosuing?
Explain which columns go to the fact table and which columns go the dimension table?
Can we have more than one time dimensions in a Schema(Star or Snowflake)
Why null values are mapped as 0 in fact tables?
What are aggregate transformation?
How can we run the graph?
Explain difference between data ware house & data mart?
Fact table is in normalized or de-normalized form?