text: CREATE TABLE [dbo].[maint_event]
  (
      [ev_id] BIGINT NOT NULL PRIMARY KEY identity (1,1),
      [ev_code] NVARCHAR(10) NULL, 
      [ev_mileage] INT NULL, 
      [ev_vehid] BIGINT NULL, 
      [ev_venid] BIGINT NULL,
      [ev_date] DATE NULL,
      constraint [FK_dbo.ev_vehid] foreign key ([ev_vehid])
      references [dbo].[vehicle] ([veh_id]),
      constraint [FK_dbo.ev_venid] foreign key ([ev_venid])
      references [dbo].[vendor] ([ven_id])
  )
  