Why denormalization is promoted in universe designing?
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What is the difference between olap and datawarehosue?
What is a ETL/ How does Oracle support the ETL process?
Explain what are components of reportnet?
Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?
What is the purpose of cluster analysis in data warehousing?
What a static and local variable?
What are the different types of Fatcs? Explain with example only
What is cfapplication tag?
Which one among Star and snowflake schemas will occupy more space?
How can you define a transformation? What are different types of transformations in Informatica?
Explain what is the difference between datawarehouse and bi?
What is scd1 , scd2 , scd3?