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SQL query questions please no special functions. Table: create table sales cust varchar(20), prod varchar(20), day integer, month integer, year integer, state char(2), quant integer, date date Question: For customer and product, show the average sales before, during and after each month (e.g., for February, show average sales of January and March. For "before" January and "after" December, display NULL. The "YEAR" attribute is not considered for this query - for example, both January of 2017 and January of 2018 are considered January regardless of the year. Report: DURING AVG CUSTOMER PRODUCT MONTH BEFORE_AVG AFTER_AVG Boo Fish 284 434 Sam Eggs 254 539 325

SQL query questions please no special functions. Table: create table sales cust varchar(20), prod varchar(20), day integer, month integer, year integer, state char(2), quant integer, date date Question: For customer and product, show the average sales before, during and after each month (e.g., for February, show average sales of January and March. For "before" January and "after" December, display NULL. The "YEAR" attribute is not considered for this query - for example, both January of 2017 and January of 2018 are considered January regardless of the year. Report: DURING AVG CUSTOMER PRODUCT MONTH BEFORE_AVG AFTER_AVG Boo Fish 284 434 Sam Eggs 254 539 325

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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SQL query questions please no special functions. Table: create table sales cust varchar(20), prod varchar(20), day integer, month integer, year integer, state char(2), quant integer, date date Question: For customer and product, show the average sales before, during and after each month (e.g., for February, show average sales of January and March. For "before" January and "after" December, display NULL. The "YEAR" attribute is not considered for this query - for example, both January of 2017 and January of 2018 are considered January regardless of the year. Report: DURING AVG CUSTOMER PRODUCT ΜOΝΤΗ BEFORE_AVG AFTER_AVG Boo Fish 1 <NULL> 284 434 Sam Eggs 254 539 325
Transcribed Image Text:SQL query questions please no special functions. Table: create table sales cust varchar(20), prod varchar(20), day integer, month integer, year integer, state char(2), quant integer, date date Question: For customer and product, show the average sales before, during and after each month (e.g., for February, show average sales of January and March. For "before" January and "after" December, display NULL. The "YEAR" attribute is not considered for this query - for example, both January of 2017 and January of 2018 are considered January regardless of the year. Report: DURING AVG CUSTOMER PRODUCT ΜOΝΤΗ BEFORE_AVG AFTER_AVG Boo Fish 1 <NULL> 284 434 Sam Eggs 254 539 325
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