Need to add a FY Dates Table

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Need to add a FY Dates Table

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marty.seed

Posted Tuesday, November 03, 2009 12:21 PM

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Hey all,

I have been tasked with adding a table that stores all the dates for our fiscal years.

I want to add each year at a time

Our problem stems with the fact that our fiscal year starts at strange times. For instance I want to add FY 2008, the start date is 12/02/07.

Here are the things I am trying to add and the table created...

CREATE TABLE [dbo].[Calendar](
[dt] [smalldatetime] NOT NULL,
[isWeekday] [bit] NULL,
[isHoliday] [bit] NULL,
[Y] [smallint] NULL,
[FY] [smallint] NULL,
[FYQ] [tinyint] NULL,
[FYM] [tinyint] NULL,
[D] [tinyint] NULL,
[DW] [tinyint] NULL,
[monthname] [varchar](9) NULL,
[dayname] [varchar](9) NULL,
[WeekNumber] [tinyint] NULL,
PRIMARY KEY CLUSTERED
(
[dt] ASC
)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
) ON [PRIMARY]

While I can get the majority of this data into the table what I am really having a hard time with is finding the fy week number, fy month number.

I need 12/02/07 to be week 1 and month 1 if that makes more sense...

Any help is greatly appreciated!

Post #813143

GSquared

Posted Tuesday, November 03, 2009 12:39 PM

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Will DateDiff(Week) from the start date of the year give you the week?

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Post #813150

Luke L

Posted Tuesday, November 03, 2009 12:58 PM

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Are your storing every date in the year or just start and end dates for Fiscal months and such?

I ask because the Datediff week calculation will not work correctly...

You may need to do datediff(week, date, date) + 1

Because 2007-12-02 and 2007-12-03 will return 0 because they are in the same week.

-Luke.

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Post #813171

LutzM

Posted Tuesday, November 03, 2009 1:30 PM

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What is the business rule for the beginning of a new fiscal year (always first Sunday of December?)
What is the business rule for defining a fiscal month? Is it based on week pattern (like 4-4-5-4-4-5 a.s.o.) or when does a new fiscal month start?

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Post #813193

marty.seed

Posted Tuesday, November 03, 2009 2:50 PM

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I took your suggestions and was able to change it so:

declare @min datetime
set @min=(select MIN(DATEFULL)
from Calendar)
Update Calendar
SET WeekNumber=DateDiff(week,@min,datefull)+1

Post #813261

marty.seed

Posted Thursday, November 05, 2009 10:36 AM

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Hey Imu,

Thought I had this correct but seems like it is more how you have it

Here is the cunundrum.
Our fiscal year ends the Saturday after the last Friday or November, the next Fiscal year start the immediate Sunday.

If a week has wed-sat falling in the next month it is considered a new week, new month.

The business rule for defining a Fiscal Month is as you have it below
(like 4-4-5-4-4-5 a.s.o.)

Post #814429

LutzM

Posted Thursday, November 05, 2009 11:54 AM

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marty.seed (11/5/2009)

...If a week has wed-sat falling in the next month it is considered a new week, new month.

The business rule for defining a Fiscal Month is as you have it below
(like 4-4-5-4-4-5 a.s.o.)

Sounds like an either/or to me...
I'm not sure if it's possible to meet both criteria all the time (haven't tried it yet).
Could you please clarify?

Post #814470

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