What is metadata in context of a datawarehouse and how it is important?
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What is difference between Mapplet and reusable transformation?
What is the main difference between star and snowflake star schema? Which one is better and why?
What is the difference between ods and oltp?
What is DTM session?
How to performance tune reports?
What is the function of etl when used in data warehousing?
What are the steps of implementing data warehousing?
What is crass reference table?
How to add a number to a macro variable?
Explain the differences between normalizer and normalizer transformation?
What is partitioning? What are the types of partitioning?
Explain the difference between view and materialized view?