Write Differences Between NVARCHAR and VARCHAR

Write Differences Between NVARCHAR and VARCHAR

use SandBox

go

CREATE TABLE dbo.t(c NVARCHAR(32));

INSERT dbo.t(c) SELECT 'រៀន';

INSERT dbo.t(c) SELECT 'នរៀ';

INSERT dbo.t(c) SELECT N'រៀន';

SELECT c FROM dbo.t;

SELECT c FROM dbo.t WHERE c = 'រៀន';

SELECT c FROM dbo.t WHERE c = N'រៀន';