Currently, in my SQL Server 2012 database, I am using varchar, and I’d like to change that. I've generated a script to do that. My question is are there any differences in how SQL Server writes to varchar columns vs. nvarchar columns? We have a number of backend procedures that I'm concerned about.
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Log in to answerBest Answer · By JanBask MS SQL Server Expert
Answered on Jul 12, 2021
Ensure that you prefix Unicode string literals with an ‘N’ prefix. For instance, these will work differently if the underlying data type is NVARCHAR: Results: Comparing SQL server nvarchar vs varchar The key difference between SQL server nvarchar vs varchar is how we store it. Nvarchar stores data at 2 bytes per character, whereas varchar stores regular 8-byte data (1 byte per character).
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