What is the difference between varchar and nvarchar?

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What is the difference between varchar and nvarchar?

marylubmr

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#21

07-31-2023, 09:36 AM

[Since SQL Server 2019 varchar columns support UTF-8 encoding.][1]

Thus, from now on, the difference is size.

In a database system that translates to difference in speed.

Less data = Less IO + Less Memory = More speed in general. Read the article above for the numbers.

Go for **varchar in UTF8 from now on!**

Only if you have **big percentage** of data with characters in ranges 2048 - 16383 and 16384 – 65535 - you will have to measure

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