Storing decimal values

We (like many organizations) are having rounding issues. I'm currently building out a warehouse for an organization and thought it would be fine to just set decimal columns to float. I'm working with some test data and loaded .02 into a table. When I did
a select on the table the value came back as:
.0199999995529652
What? I mean that's effectively .02 but why not just store .02!?
Is there a best practice data type I should be using to store decimal values?

Money is what is causing the problems. Two decimal places isn't precise enough. I want to minimize the rounding problem by rounding only in one place; at the client.
Money stores 4 decimal places.
money and smallmoney (Transact-SQL)
Hasn't be a problem for me in Datawarehouse-Projects.
But of course it depends on how often you re-calculate against it, whether this is sufficient.
Andreas Wolter | Microsoft Certified Master SQL Server
Blog: www.insidesql.org/blogs/andreaswolter
Web: www.andreas-wolter.com |
www.SarpedonQualityLab.com

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hi check this..
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type-pools: slis.
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sir,
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In PO Print out , it showing values as 1425023.00 which is wrong.
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I want to know where else the Decimal values could have been set to 2 decimal places.
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Hello Srinivasa
Please check the forum Rules of Engagement - https://wiki.sdn.sap.com/wiki/display/HOME/RulesofEngagement.
Cross posting is not permitted. This issue is already raised in the application area forum which is probably correct. This does not look like a PI technical issue.
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CREATE TABLE [dbo].[Product_Sales](
[Year_of_Sale] [smallint] NOT NULL,
[Product_Type] [varchar](25) NOT NULL,
[Product_Group] [varchar](25) NOT NULL,
[Category_Type] [varchar](25) NOT NULL,
[Category_Group] [varchar](10) NOT NULL,
[Product_Count] [bigint] NOT NULL,
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[Category_Count] [bigint] NOT NULL,
[Category_Amount] [decimal](19, 2) NOT NULL,
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[Product_Group] ASC,
[Category_Type] ASC,
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) ON [PRIMARY]
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Known is a DROP, Unknown is an OCEAN.

You can modify the decimal column(s) in the table to varchar type before export. But it does not look good.
alter table [dbo].[Product_Sales]
Alter column [Product_Amount] varchar(20)
alter table [dbo].[Product_Sales]
Alter column [Category_Amount] varchar(20)
Does that make any sense?
Known is a DROP, Unknown is an OCEAN.
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Modifying the source wouldn't be a good idea. Never do that if you can't get your desired output.
Known is a DROP, Unknown is an OCEAN.

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Error saving purchase order data decimal values

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PO was created with currency japanese YEN using Tcode ME21N . The net price was showing 142502300 (in JPY).
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Hi Srinivasa,
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Storing decimal values

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