Sql 分组平均值
尝试获取TypeID的每个不同分组的值的平均值。差不多Sql 分组平均值,sql,Sql,尝试获取TypeID的每个不同分组的值的平均值。差不多 SELECT AVG(Value) FROM dbo.TableTest GROUP BY DISTINCT TypeID 桌面测试 TypeID PopularityID CriteriaID ExposureID Value 10 20 5 12 2 10 20
SELECT AVG(Value) FROM dbo.TableTest
GROUP BY DISTINCT TypeID
桌面测试
TypeID PopularityID CriteriaID ExposureID Value
10 20 5 12 2
10 20 4 4 0.90
14 20 2 10 1.21
15 32 5 8 0.90
18 20 3 7 51
我怀疑你想要:
SELECT TypeID, AVG(Value)
FROM dbo.TableTest
GROUP BY TypeID ;
使用GROUP BY DISTINCT表明您需要学习或需要复习SQL语法和SELECT查询的语法。SELECT TypeID,AVGValue FROM dbo.TableTest GROUP BY TypeID