text: USE [updb]
  GO
  
  SET ANSI_NULLS ON
  GO
  
  SET QUOTED_IDENTIFIER ON
  GO
  
  CREATE TABLE [dbo].[update_packages]
  (
      [id]                [int] IDENTITY(1,1) NOT NULL,  -- The update package's ID.
      [file_name]         [nvarchar](260) NOT NULL,        -- The update package's file name.
      [file_hash_sha1]    [binary](20) NOT NULL             -- The update package's file hash that computed with SHA1.
  )
  ON [PRIMARY]
  WITH (DATA_COMPRESSION = PAGE)
  GO
  
  CREATE TABLE [dbo].[update_modules]
  (
      [id]                [int] IDENTITY(1,1) NOT NULL,  -- The update module's ID.
      [file_name]         [nvarchar](260) NOT NULL,        -- The update module's file name.
      [file_hash_sha1]    [binary](20) NOT NULL             -- The update module's file hash that computed with SHA1.
  )
  ON [PRIMARY]
  WITH (DATA_COMPRESSION = PAGE)
  GO
  