16.20 - 例: 全四半期の第1週の平日累積売上げ - Teradataカレンダ - Teradata Vantage NewSQL Engine

Teradata Vantage™ SQL日付と時刻の関数および式

prodname
Teradata Database
Teradata Vantage NewSQL Engine
vrm_release
16.20
category
プログラミング リファレンス
featnum
B035-1211-162K-JPN

この例では、全四半期の第1週の平日における品目の累積売上げを検索します。

SET SESSION calendar = Teradata;
/* Setting SUNDAY and SATURDAY as weekend days. */
exec dbc.createbusinesscalendarpattern('teradata','SUNDAY','OFF',);
exec dbc.createbusinesscalendarpattern('teradata','SATURDAY','OFF',);
SEL Item_Code, SUM(Sale_Amt) FROM Sales_Tbl,
       Sys_Calendar.BusinessCalendar
WHERE WeekNumber_Of_Quarter(Sale_Date) = 1
AND calendar_date = Sale_Date
AND IsBusinessDay  = 1
GROUP BY Item_Code
ORDER BY 1;

SET SESSION calendar = Teradata;

Item_Code SUM(Sale_Amt)
101 190
102 120
Sales_Tbl
Item_Code Sale_Amt Sale_Date
101 10 2008-12-30
101 15 2008-12-31
101 20 2009-01-01
101 25 2009-01-02
101 30 2009-01-03
101 35 2009-01-04
101 40 2009-01-05
101 45 2009-01-06
101 50 2009-01-07
101 55 2009-01-08
102 10 2009-01-01
102 20 2009-01-03
102 30 2009-01-05
102 40 2009-01-07
102 50 2009-01-09
Jan 2009 Calendar
S M T W T F S
        1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31