COUNT

クエリ条件に一致する行の数を返します。

SELECT COUNT(*) FROM OEInvoices WHERE Allowpartialshipments = 'Yes'

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 InvoiceUniquifier) AS DistinctValues FROM OEInvoices WHERE Allowpartialshipments = 'Yes'

AVG

カラムの値の平均を返します。

SELECT ApprovedLimit, AVG(AnnualRevenue) FROM OEInvoices WHERE Allowpartialshipments = 'Yes'  GROUP BY ApprovedLimit

MIN

カラムの値の最小値を返します。

SELECT MIN(AnnualRevenue), ApprovedLimit FROM OEInvoices WHERE Allowpartialshipments = 'Yes' GROUP BY ApprovedLimit

MAX

カラムの値の最大値を返します。

SELECT ApprovedLimit, MAX(AnnualRevenue) FROM OEInvoices WHERE Allowpartialshipments = 'Yes' GROUP BY ApprovedLimit

SUM

カラムの値の合計を返します。

SELECT SUM(AnnualRevenue) FROM OEInvoices WHERE Allowpartialshipments = 'Yes'