Briefly state different between data ware house & data mart?
No Answer is Posted For this Question
Be the First to Post Answer
What is loop in data warehousing?
What are the primary ways to store data in OLAP?
I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE
What is a look up function? What is default transformation for the look up function?
Explain which columns go to the fact table and which columns go the dimension table?
How to performance tune reports?
Explain clustering algorithm?
What is Sequence clustering algorithm?
Explain why fact table is in normal form?
Explain when do we analyze the tables? How do we do it?
Which parameter specified in the default storage clause of create tablespace cannot be altered after creating the table space?
Hierarchy of DWH?
2 Answers Accenture, EDS, IBM, iFlex, TCS,