nchar and nvarchar (Transact-SQL) - SQL Server | Microsoft Learn
Nov 18, 2025 · Use nchar when the sizes of the column data entries are consistent. Use nvarchar when the sizes of the column data entries vary considerably. Use nvarchar (max) when the …
sql server - What is the difference between varchar and nvarchar ...
NVARCHAR supports Unicode, making it ideal for multilingual data, but it uses twice the storage (2 bytes per character). VARCHAR is for non-Unicode data, using half the storage (1 byte per …
SQL Server NVARCHAR Data Type Overview
In this tutorial, you will learn how to use the SQL Server NVARCHAR data type to store variable-length, Unicode string data.
Difference Between CHAR, NCHAR, VARCHAR, and NVARCHAR in SQL …
Jul 7, 2024 · The NVARCHAR type in SQL Server is similar to VARCHAR but supports Unicode characters. Therefore, each character is stored using two bytes of storage, effectively doubling …
VARCHAR, VARCHAR (MAX), and NVARCHAR in MS SQL Server
Aug 12, 2024 · Let’s learn the differences between VARCHAR, VARCHAR (MAX) and NVARCHAR. We’ll see what makes each one unique, how they’re different from each other, …
Transact-SQL: VARCHAR vs. NVARCHAR and the 'N' Prefix
Jul 25, 2025 · Q: What is the primary difference between VARCHAR and NVARCHAR in SQL Server ANS: VARCHAR stores non-Unicode characters using 1 byte per character, while …
SQL Server differences of char, nchar, varchar and nvarchar …
Jun 14, 2016 · The differences of SQL Server char, nchar, varchar and nvarchar are frequently discussed not just during interviews, but also by developers during discussions on database …
Nvarchar Data type - SQL Server
The nvarchar data type in SQL Server is a variable-length Unicode character data type that is designed to store character data in a multi-byte character set, such as UTF-16.
SQL String Data Types: CHAR, VARCHAR, NCHAR & NVARCHAR …
Nov 27, 2025 · In modern SQL systems, NVARCHAR is the most versatile and safest choice, especially when working with multilingual or user-generated content.
SQL NVARCHAR Data Type - Dofactory
Dec 21, 2023 · The NVARCHAR data type stores variable-length character strings. Use NVARCHAR when there is variability in the length of the data. NVARCHAR may hold up to …