Varchar vs char vs nvarchar vs nchar

Johnny Zraiby

logo-db-300x300CHAR is fixed length.
VARCHAR is a varying length.

Typically I would recommend you use VARCHAR all the time, unless you have a short (< 5 char) field and you are 100% sure it is a set size.

The “N” at the beginning signifies a double byte character to store Unicode data. Use that if you need to handle multiple languages, or languages with double byte characters like Chinese.

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