SSAS-时间维度的标准设计

1、首先要构建一个时间维度表,下面给出通用的构建时间维度的存储过程:

USE [BI_DW]
GO
/****** Object:  StoredProcedure [dbo].[proc_Dim_date]    Script Date: 05/20/2016 11:35:58 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER  proc [dbo].[proc_Dim_date]
as
 begin

IF OBJECT_ID('dbo.Dim_Date') IS NOT NULL
 DROP TABLE dbo.[Dim_Date]
  
  
CREATE TABLE [dbo].[Dim_Date](
 [DateKey] [int] NULL,
 [Date] [datetime] NULL,
 [Year] [float] NULL,
 [Month] [float] NULL,
 [Month EN] [nvarchar](50) NULL,
 [Month Short EN] [nvarchar](50) NULL,
 [Month CN] [nvarchar](50) NULL,
 [Day] [float] NULL,
 [Quarter] [float] NULL,
 [Quarter EN] [nvarchar](50) NULL,
 [Quarter CN] [nvarchar](50) NULL,
 [Weekday] [float] NULL,
 [Weekday CN] [nvarchar](50) NULL,
 [Weekday Short EN] [nvarchar](50) NULL,
 [Week of Year] [float] NULL,
 [Day of Year] [float] NULL,
 [SemiYearly] [nvarchar](50) NULL,
 [Period of Ten Days] [nvarchar](10) NULL,
 [Period of Index] [nvarchar](2) NULL,
 [Weekend] [nvarchar](5) NULL
) ON [PRIMARY]

SET DATEFIRST 7 --设周日为每周的第一天

--向日期表插入数据
DECLARE @b1 DATETIME
set @b1='2010-01-01'     --设置起始日期 
 
WHILE @b1<dateadd(day,2,GETDATE())   --设置截止日期
BEGIN
 INSERT INTO dbo.[Dim_Date] (
  [DateKey],
  [Date], 
  [Year],
  [Month],
  [Month EN],
  [Month Short EN],
  [Month CN],
  [Day],
  [Quarter],
  [Quarter EN],
  [Quarter CN],
  [Weekday],
  [Weekday CN],
  [Weekday Short EN],
  [Week of Year],
  [Day of Year],
  [SemiYearly],
  [Period of Ten Days],
  [Period of Index] ,
  [Weekend]
 ) 
 VALUES( 
   CONVERT(NVARCHAR(10),@b1,112),  --DateKey 1
   @b1, --Date 2
   DATEPART(year, @b1), --Year 3
   DATEPART(month, @b1), --Month 4
   CASE --Month EN 5
     when (DATEPART(month, @b1))='1' then 'January' 
     when (DATEPART(month, @b1))='2' then 'February'
     when (DATEPART(month, @b1))='3' then 'March'
     when (DATEPART(month, @b1))='4' then 'April'
     when (DATEPART(month, @b1))='5' then 'May'
     when (DATEPART(month, @b1))='6' then 'June'
     when (DATEPART(month, @b1))='7' then 'July'
     when (DATEPART(month, @b1))='8' then 'August'
     when (DATEPART(month, @b1))='9' then 'September'
     when (DATEPART(month, @b1))='10' then 'October'
     when (DATEPART(month, @b1))='11' then 'November'
     else 'December'
   END, 
   CASE --Month Short En 6
    when (DATEPART(month, @b1))='1' then 'Jan' 
    when (DATEPART(month, @b1))='2' then 'Feb'
    when (DATEPART(month, @b1))='3' then 'Mar'
    when (DATEPART(month, @b1))='4' then 'Apr'
    when (DATEPART(month, @b1))='5' then 'May'
    when (DATEPART(month, @b1))='6' then 'Jun'
    when (DATEPART(month, @b1))='7' then 'Jul'
    when (DATEPART(month, @b1))='8' then 'Aug'
    when (DATEPART(month, @b1))='9' then 'Sep'
    when (DATEPART(month, @b1))='10' then 'Oct'
    when (DATEPART(month, @b1))='11' then  'Nov'
    else 'Dec'
   END,
      CASE --Month CN 7
       when (DATEPART(month, @b1))='1' then N'一月' 
    when (DATEPART(month, @b1))='2' then N'二月'
    when (DATEPART(month, @b1))='3' then N'三月'
    when (DATEPART(month, @b1))='4' then N'四月'
    when (DATEPART(month, @b1))='5' then N'五月'
    when (DATEPART(month, @b1))='6' then N'六月'
    when (DATEPART(month, @b1))='7' then N'七月'
    when (DATEPART(month, @b1))='8' then N'八月'
    when (DATEPART(month, @b1))='9' then N'九月'
    when (DATEPART(month, @b1))='10' then N'十月'
    when (DATEPART(month, @b1))='11' then  N'十一月'
    else N'十二月'
   END,
   DATEPART(day, @b1),--day  8
   DATEName (qq, @b1),--quarter 9
   CASE   --quarter en  10
    when DATEName (qq, @b1)='1' then 'Q1'
    when DATEName (qq, @b1)='2' then 'Q2' 
    when DATEName (qq, @b1)='3' then 'Q3'
    else  'Q4'
   END,
         CASE  --quarter cn  11
    when DATEName (qq, @b1)='1' then N'一季度'
    when DATEName (qq, @b1)='2' then N'二季度' 
    when DATEName (qq, @b1)='3' then N'三季度'
    else  N'四季度'
   END,    
   DATEPART(dw, @b1),--Weekday 12
   CASE --Weekday CN  13
    when DATEPART(dw, @b1)=1 then  N'星期日'
    when DATEPART(dw, @b1)=2 then  N'星期一'
    when DATEPART(dw, @b1)=3 then  N'星期二'
    when DATEPART(dw, @b1)=4 then  N'星期三'
    when DATEPART(dw, @b1)=5 then  N'星期四'
    when DATEPART(dw, @b1)=6 then  N'星期五'  
    else N'星期六'
   END,
   CASE --Weekday Short EN 14  --注意,周日是第一天.
    when DATEPART(dw, @b1)='1' then 'Sun'
    when DATEPART(dw, @b1)='2' then 'Mon'
    when DATEPART(dw, @b1)='3' then 'Tue'
    when DATEPART(dw, @b1)='4' then 'Wed'
    when DATEPART(dw, @b1)='5' then 'Thu'
    when DATEPART(dw, @b1)='6' then 'Fri'
    else 'Sat'
   END, 
   DATEName (wk, @b1),--week of year 15
   DATEName (dy, @b1),--day of year  16
   CASE --SemiYearly 17
    when DATEPART(month, @b1)<=6 then N'上半年'
    else N'下半年'
   END,
      CASE  --Period of Ten Days 18
    when DATEName (dd, @b1)<=10 then N'上旬' 
    when DATEName (dd, @b1)>20  then N'下旬'
    else N'中旬'
   END,
      CASE  --Period of Ten Days 19
    when DATEName (dd, @b1)<=10 then N'1' 
    when DATEName (dd, @b1)>20  then N'3'
    else N'2'
   END,
   CASE --Is it Weekend? 20
    when DATEPART(dw, @b1)='1' then '周末'
    when DATEPART(dw, @b1)='7' then '周末'
    else '平时'
   END 
)
--日期加1天
 set @b1=DATEADD(day, 1, @b1)
END
end

2、在数据库中构建这样的维度表之后,在SSAS出新建维度,这里就不再多说了。

   重点介绍如何构建一个标准的时间维度,首先,打开维度设计选项卡,添加下面两套成员用来构建标准时间维度,按照图中的样子:

3、设置属性:

     3.1 将Dim Date的属性“TYPE”设置为:Time

            

  3.2 将带有“层级”的成员属性设置为:以“Day-层级”为例:Type =Days; KeyColumms ='内容见“键列”图',这里选择了组合键(确保在层级中“Day”是唯一的);所以需要设置NameColumns,将NameColumns='Day'用来显示成员而已。

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  3.3 带有层级的其他成员都按照3.2的设置,具体有不同:Year-层级的Type='Years' ,Month-层级的Type='Months' ,Quater-层级的Type='Quaters';当然还要选择NameColumn的相应字段用来显示。KeyColumns的组合字段的选择,只要符合保证唯一即可,例如Month的KeyColumns:

    

  3.4 按照以上步骤,设置好之后,还是不行的,还需要将属性关系设置合理才行,按照下图的属性关系设置即可;设置成员的属性的时候,最好将成员的order by属性设置为“Key”,这样浏览的数据就会按照key排序了;除了带有层级的成员属性外,其他属性可以不需要额外设置即可

    

 3.5  这样处理维度,浏览查看效果:

      

原文地址:https://www.cnblogs.com/java-oracle/p/5511596.html