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Questions and Answers
What was the primary purpose of organizations in the early 1990s?
What was the primary purpose of organizations in the early 1990s?
What is the main difference between a regular database and a data warehouse?
What is the main difference between a regular database and a data warehouse?
What is OLTP?
What is OLTP?
What is the primary goal of an ETL process?
What is the primary goal of an ETL process?
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When did organizations recognize the need for sophisticated data analysis?
When did organizations recognize the need for sophisticated data analysis?
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What is the primary focus of traditional operational databases?
What is the primary focus of traditional operational databases?
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What is the primary benefit of using an OLAP cube in data analysis?
What is the primary benefit of using an OLAP cube in data analysis?
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Which of the following is an example of a dimension that can be merged in a multidimensional cube?
Which of the following is an example of a dimension that can be merged in a multidimensional cube?
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What can be achieved by combining the three dimensions (Time, Location, and Product) in a multidimensional cube?
What can be achieved by combining the three dimensions (Time, Location, and Product) in a multidimensional cube?
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What is a key advantage of using a multidimensional chart?
What is a key advantage of using a multidimensional chart?
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What can be observed from the multidimensional chart example?
What can be observed from the multidimensional chart example?
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What is a result of using a multidimensional cube?
What is a result of using a multidimensional cube?
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What is the main purpose of the drill-down operation in a multidimensional cube model?
What is the main purpose of the drill-down operation in a multidimensional cube model?
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What is the result of applying the dice operation to a multidimensional cube?
What is the result of applying the dice operation to a multidimensional cube?
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What is the benefit of a hierarchical data structure in a multidimensional cube model?
What is the benefit of a hierarchical data structure in a multidimensional cube model?
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What is the main advantage of using OLAP operations in a data warehouse?
What is the main advantage of using OLAP operations in a data warehouse?
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What is a characteristic of structured data?
What is a characteristic of structured data?
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What is the purpose of the roll-up operation in a multidimensional cube model?
What is the purpose of the roll-up operation in a multidimensional cube model?
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What type of data is typically used in a data warehouse?
What type of data is typically used in a data warehouse?
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What is the main focus of OLAP operations in a data warehouse?
What is the main focus of OLAP operations in a data warehouse?
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What is an example of semi-structured data?
What is an example of semi-structured data?
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What is a characteristic of unstructured data?
What is a characteristic of unstructured data?
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What type of database model is commonly used for structured data?
What type of database model is commonly used for structured data?
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What is a benefit of using structured data?
What is a benefit of using structured data?
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What is the primary function of metadata in a data warehouse?
What is the primary function of metadata in a data warehouse?
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What is the purpose of a data mart?
What is the purpose of a data mart?
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What is stored in a data mart?
What is stored in a data mart?
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What is performed in the OLAP tier of the data warehouse architecture?
What is performed in the OLAP tier of the data warehouse architecture?
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What is an example of metadata in the Global Super Stores dataset?
What is an example of metadata in the Global Super Stores dataset?
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What can data analysts do with the data in the Global Super Stores repository?
What can data analysts do with the data in the Global Super Stores repository?
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