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9.8

Data Types

Asked by AzraSound in MS SQL Server

Tags: data, real, types

I probably learned this back in college, but who paid attention then anways?   :-)

I need to create a table that is going to hold numerical data from a whole range of different numerical possibilities.  Some will be decimal values...others always whole numbers, etc.  So, I was going to use the real data type.  Then I noticed that both the real and int data types only require 4 bytes, though the real data type can hold much larger values.  I know this is due to how the data is stored, but are there issues I should be aware of since the value is not exact?  For example, is it possible to store a whole number (e.g., 24) when updating the database, but when you read it out you get something else (e.g., 23.9998).  Any other "gotchas" I should be aware of?
 
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Keywords: Data Types
 
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[+][-]05/16/06 11:07 AM, ID: 16693001Accepted Solution

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Zone: MS SQL Server
Tags: data, real, types
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Solution Provided By: DonKronos
Participating Experts: 1
Solution Grade: A
 
 
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