Question 9 nag .How to calculate the average using map function for sales, volume, median, listing and inventory?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Question 9 nag
.How to calculate the average using map function for sales, volume, median, listing and inventory?


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