How to resolve “The maximum permissible key length is 900 bytes.”

Question

I have the following table structure:

CREATE TABLE [dbo].[Signature]
(
    [caption_id] [nvarchar](512) NOT NULL,
    [signature_id] [int] NOT NULL
)


        

Answer 1

Have a look here It may help you
Living with SQL's 900 Byte Index Key Length Limit