ADO.NET Provider for Couchbase

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 Customer WHERE CustomerId = '12345'

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 Name) AS DistinctValues FROM Customer WHERE CustomerId = '12345'

AVG

カラムの値の平均を返します。

SELECT TotalDue, AVG(AnnualRevenue) FROM Customer WHERE CustomerId = '12345'  GROUP BY TotalDue

MIN

カラムの値の最小値を返します。

SELECT MIN(AnnualRevenue), TotalDue FROM Customer WHERE CustomerId = '12345' GROUP BY TotalDue

MAX

カラムの値の最大値を返します。

SELECT TotalDue, MAX(AnnualRevenue) FROM Customer WHERE CustomerId = '12345' GROUP BY TotalDue

SUM

カラムの値の合計を返します。

SELECT SUM(AnnualRevenue) FROM Customer WHERE CustomerId = '12345'

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Build 24.0.9062