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Answer Posted / ram
Surrogate keys are keys that are maintained within the data
warehouse instead of keys taken from source data systems.
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Can any one explain the hierarchies level data warehousing.
Fact table is in normalized or de-normalized form?
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.
Explain reference cursor?
Explain the definition of normalized and denormalized view?
How can you clear the cache?
What is the purpose of Dataware Control?
Difference between cold fusion mx 6 and cold fusion mx 7?
why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.
Explain how are the dimension tables designed?
What is the difference between er modeling and dimensional modeling?
What is the difference between static cache and dynamic cache?
Ist the schema that a data warehouse system can implements.
what are relationships?
What is a data warehousing?
