Write a query that returns the mean cost per install for each adgroup as well as the percentage of total spend that each adgroup had.

Database Systems: Design, Implementation, & Management
12th Edition
ISBN:9781305627482
Author:Carlos Coronel, Steven Morris
Publisher:Carlos Coronel, Steven Morris
Chapter8: Advanced Sql
Section: Chapter Questions
Problem 59P
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Write a query that returns the mean cost per install for each adgroup as well as the percentage of total spend that each adgroup had.

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