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  SQL Server Tips by Gama and Naughter



Varchar stores variable length ASCII data. This example has nothing new because the details have been explained in the previous onesí:


DECLARE @b varchar(10)

SET @b='abc'

select DATALENGTH(@b)






The above book excerpt is from:

Super SQL Server Systems
Turbocharge Database Performance with C++ External Procedures

ISBN: 0-9761573-2-2
Joseph Gama, P. J. Naughter


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