What is the function of surrogate key in data warehousing?
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Can we have more than one time dimensions in a Schema(Star or Snowflake)
three ways sql*loader could load data, what are those three types?
What is a fact table?
why we use dmr model in cognos report studio ? give me difference between dmr model and relational model.
What is recovering sessions?
Why facts table is useful in representing the data?
What is a Data Cube?
What is dimension modeling?
Tell me what is full load & incremental or refresh load?
what are the types of dimension tables
What is a view as it relates to system modeling?
I need to set predefined condition. How I do this?