如何将变量数（sql变量）的最大值限制为100

Question

我有一个视图表，其中包含以下内容

CAST(ROUND(SUM(dbo.TR.Score * 100) AS int) AS ScoreReached

我想将ScoreReached的数量限制为仅100（不能大于100）

我能这样做吗？

Answer 1

SELECT TOP 100 CAST(ROUND(SUM(dbo.TR.Score * 100) AS int) AS ScoreReached
FROM MyTable

如果我理解你的问题是对的。 这是TSQL的语法，您可以检查其他人here的语法。

Answer 2

您可以使用 CASE ... WHEN 语法来约束ScoreReached列的值

SELECT CASE 
         WHEN TBL.ScoreReached > 100 THEN 100 
         ELSE TBL.ScoreReached 
       END AS ScoreReached
FROM   (SELECT CAST(ROUND(SUM(dbo.TR.Score * 100), 0) AS INT) AS ScoreReached 
        FROM   <your table name>) TBL