SQL Server procedure - Backup table data

Script :

SET ANSI_NULLS ON

GO

SET QUOTED_IDENTIFIER ON

GO

ALTER PROCEDURE [dbo].[BackupTable]

@SchemaName nvarchar(255),

@TableName nvarchar(255)

AS

Set @SchemaName = replace(replace(@SchemaName,'[',''),']','')

Set @TableName = replace(replace(@TableName,'[',''),']','')

declare @Tstamp nvarchar(max) = Replace(Replace(Replace(convert(varchar(25), getdate(), 120),'-',''),' ','_'),':','')

declare @InputTable nvarchar(max)= '['+@SchemaName+'].['+@TableName+']'

declare @OutputTable nvarchar(max)= '[bckup].['+@TableName+'_'+@Tstamp+']'

declare @lsql nvarchar(max) = '

Select * into '+@OutputTable+' from '+@InputTable+''

EXEC(@lsql)