SQL Stored Procedure and Function

Anything can be programmable with defined syntax and common lib.

 ALTER PROCEDURE [dbo].[sp_GetLaborHourPerDayEmployee](@au_Date DATETIME, @au_employeeID VARCHAR(30))
     -- Add the parameters for the stored procedure here
 AS
 BEGIN
     -- SET NOCOUNT ON added to prevent extra result sets from
     -- interfering with SELECT statements.
     SET NOCOUNT ON;
     DECLARE @au_ItemDate DATETIME;

     SET @au_ItemDate = CONVERT(VARCHAR(10), @au_Date, 120);

     SELECT SUM(ISNULL(T1.Hours,0)) as Hours
     FROM [dbo].[LBS_Maintenance] as T0
     left join [dbo].[LBS_LaborHour] as T1
     on T0.MaintenanceID = T1.MaintenanceID
     where T0.IsFlag = 0
     and CONVERT(VARCHAR(10),T0.ItemDate,120) = @au_ItemDate
     and T0.EmployeeID = @au_employeeID
     --and (T2.CurrentStatus = 'Active' or (T2.CurrentStatus = 'Suspend' and T2.SuspendWhat = 'Billing'))
 END

 USE [OES_LBS]
 GO
 /****** Object:  UserDefinedFunction [dbo].[fn_GetLaborHourPerDayEmployee]    Script Date: 08/07/2013 16:17:00 ******/
 SET ANSI_NULLS ON
 GO
 SET QUOTED_IDENTIFIER ON
 GO
 -- =============================================
 -- Author:        <Author,,Name>
 -- Create date: <Create Date,,>
 -- Description:    <Description,,>
 -- =============================================
 ALTER FUNCTION [dbo].[fn_GetLaborHourPerDayEmployee](@au_Date DATETIME, @au_employeeID VARCHAR(30))
 RETURNS NUMERIC(5,2)
 AS
 BEGIN
     DECLARE @ret NUMERIC(5,2)
     SET @ret = 0
     SELECT @ret = A0.Hours
     FROM
     (
         SELECT SUM(ISNULL(T1.Hours,0)) as Hours
         FROM [dbo].[LBS_Maintenance] as T0
         left join [dbo].[LBS_LaborHour] as T1
         on T0.MaintenanceID = T1.MaintenanceID
         where IsFlag = 0
         and T0.ItemDate = @au_Date
         and T0.EmployeeID = @au_employeeID
         --and (T2.CurrentStatus = 'Active' or (T2.CurrentStatus = 'Suspend' and T2.SuspendWhat = 'Billing'))
         --and T1.Hours != 0
     )as A0
 RETURN(@ret)
 END