Week10_management

May 23rd, 2016
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1. Using ch10_abc_markets database, write the SQL code to select the invoice year from inv_date with the column name invoiceYear, the invoice month from inv_date with the column name invoiceMonth, the invoice day from inv_date with the column name invoiceDay, and the sum of the invoice total with the column name invoiceTotal from the invoice table. Group the results by year, month, and day using the ROLLUP subclause. QUESTION: What does the rollup subclause provide in terms of grouping and how does it differ from the CUBE subclause? 2. Using ch10_abc_markets database and invoice table, write the SQL code to select the invoice number, line number and the sum of the line price as sumLP. Group the results using grouping sets of invoice number and line number to show the sumLP by invoice number order. QUESTION: What is the purpose of the GROUPING SETS subclause and what is its primary use? 3. What is data analytics? Briefly explain explanatory and predictive analytics.

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Running head: WEEK 10 MANAGEMENT1Week 10 ManagementNameInstitutionCourseDateWEEK 10 MANAGEMENT2Week 10 ManagementQuestion1Regarding grouping, the ROLLUP subclause takes a grading between the separatecolumns. It differs from CUBE subclause in that in CUBE subclause; all possible sets aregrouped by not considering the hierarchy for a given column set whereas in ROLLUP subclause,the grouping of the sets is done in a hierarchical manner (Carlos & Steven , 2016).Question 2The GROUPING SETS subclause defines many grouping sets in a similar query. In thefurthest pair of parentheses, one can use GROUPING SETS subclause to identify a list ofgrouping sets detached by a comma.Question 3Data analytics is a subsection of BI functionality comprising of an extensive range ofstatistical, mathematical, and modeling methods that usually purpose to extract knowledge fromstatistical data. Data analytics is applied at all stages in the BI structure, together with reportingand queries, observing and notifying, and data conception. Henceforth, data analytics is ashared service that is important to what BI improves to business. Data analytics signifies whatcorporate

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