ADO.NET Provider for Yahoo! JAPAN DATA SOLUTION

Build 24.0.9062

集計関数

COUNT

クエリ条件に一致する行の数を返します。

SELECT COUNT(*) FROM SearchRanking WHERE SearchPeriod = 'weekly'

COUNT(DISTINCT)

クエリ条件に一致する、null 以外の個別のフィールド値の数を返します。

SELECT COUNT(DISTINCT SearchKeyword) AS DistinctValues FROM SearchRanking WHERE SearchPeriod = 'weekly'

AVG

カラムの値の平均を返します。

SELECT SearchPeriod, AVG(AnnualRevenue) FROM SearchRanking WHERE SearchPeriod = 'weekly'  GROUP BY SearchPeriod

MIN

カラムの値の最小値を返します。

SELECT MIN(AnnualRevenue), SearchPeriod FROM SearchRanking WHERE SearchPeriod = 'weekly' GROUP BY SearchPeriod

MAX

カラムの値の最大値を返します。

SELECT SearchPeriod, MAX(AnnualRevenue) FROM SearchRanking WHERE SearchPeriod = 'weekly' GROUP BY SearchPeriod

SUM

カラムの値の合計を返します。

SELECT SUM(AnnualRevenue) FROM SearchRanking WHERE SearchPeriod = 'weekly'

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Build 24.0.9062