Can we have more than one time dimensions in a Schema(Star or Snowflake)
What are the advantages of raid 1, 1/0, and 5. What type of raid setup would you put your tx logs?
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What is partitioning? What are the types of partitioning?
What is staging area?
What is the data type of the surrogate key?
Why fact table is in a normal form?
What is surrogate key? Explain with examples.
what are confirmed dimension? We alwys give date as a conformed dimension but if it has different format for different contries say YYMMDD for italy and MM-DD-YYYY for france.Then are they not confirmed.
Write a short note on data warehousing & three-Tier Warehouse architecture in detail.
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What is the capacity of power cube?
Explain what is a cube in data warehousing concept?