eshirvana
2020-11-30 03:17:08
你可以使用窗口功能和分区来实现
SELECT
*
, AVG(Change) over (parition by Team) as ChangeAverage
, (AVG(Change) over (parition by Team)) * 4 as SeriesMetric
FROM @TableVariable
但是，如果要与其他表结合使用以显示最终结果，则需要执行以下操作：
SELECT T.[TeamName] as 'TeamName'
, @ScoreChange AS 'ScoreMetric'
, AVG(TV.Change)* 4 AS 'SeriesMetric'
FROM dbo.[Team] T
LEFT JOIN @TableVariable TV
on T.TeamName = TV.TeamName -- or whatever FK-PK is
WHERE T.[OwnerId] = @OwnerId
GROUP BY
T.NAME ,ScoreMetric
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