What is the difference between drill through and masterdetail reports?
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Can we take backup when the database is opened?
Explain what are snapshots? What are materialized views & where do we use them? What is a materialized view log?
What is a relationship?
Advantages of de normalized data?
5.Explain ODS ?
What is partitioning? What are the types of partitioning?
Explain what is partitioning? What are the types of partitioning?
Describe a data warehouse.
Explain what is full load & incremental or refresh load?
What is the difference between ods and oltp?
State any 5 of Cods guidelines of an OLAP system, brief description each?
What is multi-dimensional analysis?