Data aggregation
Define the term data aggregation?
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An operational data source generally consists of the records of individual transactions just like the product sales. If user of the data warehouse only requires a summed total, you may decrease the records to more manageable number by aggregating the data.
Explain what is meant by the term universe stage?
Illustrates the term data sparsity and how this effect upon aggregation?
Describe briefly reusable transformations?
Explain about the Buffer Manager in relational database management system.
Write down brief note on the issues for database performance?
List out the main attributes of the data stage?
Illustrates the ways to tune Reporting Services?
Define the term environment variables?
Illustrates the term tkprof and how is this used?
Can you explain how to install an SSIS package?
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