Explain degenerate dimension table?
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What is aggregate fact table?
I HAVE A FLAT FILE DO THE NULL CHEK AND PRIMARI KEY CHEK AND DATE VALIDITAION LOAD TO TARGET TABLE
Explain is olap databases are called decision support system true/false?
How can you define a transformation? What are different types of transformations in Informatica?
What are the advantages and disadvantages of reporting directly against the database?
Explain difference between snow flake and star schema.
what are the similarities between ROLAP and MOLAP
What is Data purging?
Explain the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs.
for data loading in oracle, what are conventional loading , what are conventional loading and direct-path loading?
What is query panel?
Explain what are components of reportnet?