CREATE TABLE [dbo].[TabImbArt] (
    [KeyA]   NVARCHAR (50)   NOT NULL,
    [NumImb] DECIMAL (9, 6)  CONSTRAINT [DF_TabImbArt_NumImb] DEFAULT ((0)) NOT NULL,
    [TotOut] DECIMAL (18, 6) CONSTRAINT [DF_TabImbArt_TotOut] DEFAULT ((0)) NOT NULL,
    [Durata] DECIMAL (18, 6) CONSTRAINT [DF_TabImbArt_Durata] DEFAULT ((0)) NOT NULL,
    CONSTRAINT [PK_TabImbArt] PRIMARY KEY CLUSTERED ([KeyA] ASC)
);