Real SQL Queries: 50 Challenges by Brian Cohen & Neil Pepi & Neerja Mishra
Author:Brian Cohen & Neil Pepi & Neerja Mishra
Language: eng
Format: mobi, azw3, epub
Published: 2015-08-02T21:00:00+00:00
Create a query about sales order reasons. When a sales order has only one reason, categorize as “Exclusive Reason.” When a sales order has more than one reason, categorize as “Contributing Reason.” Then, create a summary count of sales orders by reason name and your newly created ReasonInfluence column (Exclusive Reason or Contributing Reason).
Based on the directions stated above, your output will contain the following columns:
ReasonName
ReasonInfluence (Exclusive Reason or Contributing Reason)
SalesOrderCount
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| Data Modeling & Design | Data Processing |
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