IN SQL, POSTGRESQL. For customer, product and state, show the average sales before and after each quarter (e.g., for Q2, show average sales of Q1 and Q3. For “before” Q1 and “after” Q4, display . The “YEAR” attribute is not considered for this query – for example, both Q1 of 2017 and Q1 of 2018 are considered Q1 regardless of the year. Report #2: CUSTOMER PRODUCT STATE Q1 BEFORE_AVG AFTER_AVG ======== ======= ===== == ========== ========= Bloom Bread NJ 1 2434 Sam Milk CT 3 254 325
IN SQL, POSTGRESQL. For customer, product and state, show the average sales before and after each quarter (e.g., for Q2, show average sales of Q1 and Q3. For “before” Q1 and “after” Q4, display . The “YEAR” attribute is not considered for this query – for example, both Q1 of 2017 and Q1 of 2018 are considered Q1 regardless of the year. Report #2: CUSTOMER PRODUCT STATE Q1 BEFORE_AVG AFTER_AVG ======== ======= ===== == ========== ========= Bloom Bread NJ 1 2434 Sam Milk CT 3 254 325
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 12P: Assuming that the CUSTOMER table contains a CUST_AGE attribute, write the query to update the values...
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Question
IN SQL, POSTGRESQL. For customer, product and state, show the average sales before and after each
quarter (e.g., for Q2, show average sales of Q1 and Q3. For “before” Q1 and “after”
Q4, display . The “YEAR” attribute is not considered for this query – for
example, both Q1 of 2017 and Q1 of 2018 are considered Q1 regardless of the year.
Report #2:
CUSTOMER PRODUCT STATE Q1 BEFORE_AVG AFTER_AVG
======== ======= ===== == ========== =========
Bloom Bread NJ 1 2434
Sam Milk CT 3 254 325
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