What is degenerate dimension table?
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Can we take backup when the database is opened?
How to performance tune reports?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
What are components of reportnet?
Explain what type of indexing mechanism do we need to use for a typical datawarehouse?
Explain what are the various file formats involved in reportnet?
How to import vsam files from source to target. Do we need a special plugin?
What is the difference between junk dimension and degenerated dimension?
Explain what is analytical or analytic mean?
What Oracle features can be used to optimize my Warehouse system?
What is a hash cluster?
What is an error log table in informatica occurs and how to maintain it in mapping?