Mega Code Archive
Using a CASE expression to sum sales by weekday
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4>
5>
6> CREATE TABLE sales(
7> stor_id char(4) NOT NULL,
8> ord_num varchar(20) NOT NULL,
9> ord_date datetime NOT NULL,
10> qty smallint NOT NULL,
11> payterms varchar(12) NOT NULL,
12> title_id varchar(80)
13> )
14> GO
1> insert sales values('1', 'QA7442.3', '09/13/94', 75, 'ON Billing','1')
2> insert sales values('2', 'D4482', '09/14/94', 10, 'Net 60', '1')
3> insert sales values('3', 'N914008', '09/14/94', 20, 'Net 30', '2')
4> insert sales values('4', 'N914014', '09/14/94', 25, 'Net 30', '3')
5> insert sales values('5', '423LL922', '09/14/94', 15, 'ON Billing','3')
6> insert sales values('6', '423LL930', '09/14/94', 10, 'ON Billing','2')
7> GO
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
(1 rows affected)
1>
2>
3> SELECT sum(qty) AS Total,
4> CASE datepart(weekday, ord_date)
5> WHEN 1 THEN 'Sunday'
6> WHEN 2 THEN 'Monday'
7> WHEN 3 THEN 'Tuesday'
8> WHEN 4 THEN 'Wednesday'
9> WHEN 5 THEN 'Thursday'
10> WHEN 6 THEN 'Friday'
11> WHEN 7 THEN 'Saturday'
12> END AS Weekday
13> FROM sales
14> GROUP BY datepart(weekday, ord_date)
15> GO
Total Weekday
----------- ---------
75 Tuesday
80 Wednesday
(2 rows affected)
1> drop table sales;
2> GO
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