支持
Create Table TEST(ID Int)
Insert TEST Select 1
Union All Select 2
Union All Select 3
Union All Select 2
Union All Select 3
Union All Select 1
Union All Select 5
Union All Select 3
Union All Select 7
GO
Select 次數, Count(*) As 人數 From
(
Select ID, Count(*) As 次數 From TEST Group By ID) A
Group By 次數
Order By 次數
Go
Drop Table TEST
/*
次數 人數
1 2
2 2
3 1
*/
Create Table TEST(ID Int)
Insert TEST Select 1
Union All Select 2
Union All Select 3
Union All Select 2
Union All Select 3
Union All Select 1
Union All Select 5
Union All Select 3
Union All Select 7
GO
Select 次數, Count(*) As 人數 From
(
Select ID, Count(*) As 次數 From TEST Group By ID) A
Group By 次數
Order By 次數
Go
Drop Table TEST
/*
次數 人數
1 2
2 2
3 1
*/