DECLARE @hire_date_years TABLE(hire_date_year NVARCHAR(50));
INSERT  INTO @hire_date_years( hire_date_year)SELECT DISTINCTDATEPART(YEAR, Employee.HireDate)FROM    HumanResources.Employee;DECLARE @sql_yearlist NVARCHAR(MAX);SELECT  @sql_yearlist = ISNULL(@sql_yearlist, '') + ','+ QUOTENAME(hire_date_year)
FROM    @hire_date_yearsSET @sql_yearlist = STUFF(@sql_yearlist, 1, 1, '')SELECT  @sql_yearlist

DECLARE @hire_date_years TABLE(hire_date_year NVARCHAR(50));
DECLARE @sql_yearlist NVARCHAR(MAX);
DECLARE @sql_command NVARCHAR(MAX);INSERT  INTO @hire_date_years( hire_date_year)SELECT DISTINCTDATEPART(YEAR, Employee.HireDate)FROM    HumanResources.Employee;SELECT  @sql_yearlist = ISNULL(@sql_yearlist, '') + N','+ QUOTENAME(hire_date_year)
FROM    @hire_date_yearsSET @sql_yearlist = STUFF(@sql_yearlist, 1, 1, '')SET @sql_command = N'
WITH    employee_dataAS ( SELECT   Employee.BusinessEntityID ,Employee.JobTitle ,DATEPART(YEAR, Employee.HireDate) AS HireDate_YearFROM     HumanResources.Employee)SELECT JobTitle,' + @sql_yearlist + N'
FROM    employee_data
PIVOT   (COUNT(BusinessEntityID) FOR HireDate_Year IN ('  + @sql_yearlist + N')) pivot_data'PRINT @sql_command

IF OBJECT_ID(N'dbo.job_title_year_summary', 'P') IS NOT NULL
BEGINDROP PROCEDURE dbo.job_title_year_summary;
ENDSET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GOCREATE PROCEDURE job_title_year_summary
AS
BEGIN-- SET NOCOUNT ON added to prevent extra result sets from-- interfering with SELECT statements.SET NOCOUNT ON;DECLARE @hire_date_years TABLE(hire_date_year NVARCHAR(50));DECLARE @sql_yearlist NVARCHAR(MAX);DECLARE @sql_command NVARCHAR(MAX);INSERT  INTO @hire_date_years( hire_date_year)SELECT DISTINCTDATEPART(YEAR, Employee.HireDate)FROM    HumanResources.Employee;SELECT  @sql_yearlist = ISNULL(@sql_yearlist, '') + N','+ QUOTENAME(hire_date_year)FROM    @hire_date_yearsSET @sql_yearlist = STUFF(@sql_yearlist, 1, 1, '')SET @sql_command = N'WITH    employee_dataAS ( SELECT   Employee.BusinessEntityID ,Employee.JobTitle ,DATEPART(YEAR, Employee.HireDate) AS HireDate_YearFROM     HumanResources.Employee)SELECT JobTitle,' + @sql_yearlist + N'FROM    employee_dataPIVOT   (COUNT(BusinessEntityID) FOR HireDate_Year IN ('  + @sql_yearlist + N')) pivot_data'PRINT @sql_command;EXEC sp_executesql @sql_command;
END
GO