CData Python Connector for XML

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 NorthwindOData WHERE Email = '[email protected]'

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 Email) AS DistinctValues FROM NorthwindOData WHERE Email = '[email protected]'

AVG

カラムの値の平均を返します。

SELECT Username, AVG(AnnualRevenue) FROM NorthwindOData WHERE Email = '[email protected]'  GROUP BY Username

MIN

カラムの値の最小値を返します。

SELECT MIN(AnnualRevenue), Username FROM NorthwindOData WHERE Email = '[email protected]' GROUP BY Username

MAX

カラムの値の最大値を返します。

SELECT Username, MAX(AnnualRevenue) FROM NorthwindOData WHERE Email = '[email protected]' GROUP BY Username

SUM

カラムの値の合計を返します。

SELECT SUM(AnnualRevenue) FROM NorthwindOData WHERE Email = '[email protected]'

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Build 24.0.9062