Main data structures
Name the main data structures used in these areas: Hierarchical data model, RDBMS and Network data model?
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i. Tree = Hierarchical data model ii. Array (Array of structures) = RDBMS iii. Graph = Network data model
Briefly describe the employed of data cube?
Elucidate what are the basic requirements to join two sources in the source qualifier?
Give a brief introduction of the term active data warehousing?
Describe briefly the term SQL Server Analysis Services cubes?
What are some of the impediments to good decision making? Given the availability of copious information, why do good managers still make bad decision?
Explain the term iConv and oConv?
Describe briefly the term recursive relationship? Comprise an appropriate example?
Another company used statistic in reports is the total number of orders placed by a shopper. Complete the following steps to create a function named NUM_PURCH_SF that accepts a shopper id and returns the total number of orders the shopper has placed. Use the function in a SELECT statement to display
Explain the package folders?
Explain the Aggregator Transformation?
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