SQL Server differences of char, nchar, varchar and nvarchar data types
Sherlee Dizon looks at the basic differences between char, nchar, varchar, and nvarchar, as well as what to be aware of when using each data type.
2016-07-21
5,665 reads
char
Generate script to change column length of string datatypes in a DB
This script can be used to generate alter column length of any string data type column(s) in a database.
2011-12-27 (first published: 2011-11-22)
1,252 reads
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Question of the Day
The Large Encoded Value
I want to use the new BASE64_ENCODE() function in SQL Server 2025, but return a string that isn't large type. What is the longest varbinary string I can pass in and still get a varchar(8000) returned?
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