Fact table is in normalized or de-normalized form?
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Which one among Star and snowflake schemas will occupy more space?
What is Analysis Services?
What is confirmed dimension?
What is VLDB?
How many clustered indexes can u create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
How to get the first 100 rows from the flat file into the target?
What is the difference between constraind base load ordering and target load plan?
What is execution plan?
Explain how many ways you create ports?
What are the steps involved in creating dimensional modeling process?
what is the difference between MOLAP and ROLAP?
What is a ETL/ How does Oracle support the ETL process?