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SQL Server: Unable to handle/store Unicode character in NVARCHAR data type

In SQL Server one may face the issue of unable to insert or update Unicode characters in column of NVARCHAR type.

Reason: By default when you insert into NVARCHAR column, SQL Server try to save data as simple string.

Solution: Use 'N' as prefix with NVARCHAR, The N' prefix indicates NCHAR or NVARCHAR data. It tells SQL Server to convert a string into NCHAR.

Example:

DECLARE @TestVar NVARCHAR(20)
SET @TestVar = N'≤ 2'
SELECT @TestVar
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