text: CREATE DATABASE PostOffice;
  GO
  USE PostOffice
  GO
  CREATE TABLE [dbo].[PostalSending](
  	[SenderName] [varchar](100) NOT NULL,
  	[ReceiverName] [varchar](100) NULL,
  	[DocumentTitle] [varchar](255) NOT NULL,
  	[NumberOfPages] [smallint] NOT NULL,
  	[SendingDate] [DateTimeOffset] NOT NULL,
  	[ExpectedReceivingDate] [DateTimeOffset] NOT NULL
  );
  GO
  
  INSERT INTO [dbo].[PostalSending] (
  	[SenderName],
  	[ReceiverName],
  	[DocumentTitle],
  	[NumberOfPages],
  	[SendingDate],
  	[ExpectedReceivingDate])
  VALUES(
  	'Andrei A Golyakov',
  	'Ivan I Ivanov',
  	'The Ultimate Crossword Guide',
  	30535,
  	GETUTCDATE(),
  	'2021-01-17 16:47')
  
  INSERT INTO [dbo].[PostalSending] (
  	[SenderName],
  	[DocumentTitle],
  	[NumberOfPages],
  	[SendingDate],
  	[ExpectedReceivingDate])
  VALUES(
  	'Ivan I Ivanov',
  	'RE: The Ultimate Crossword Guide',
  	100,
  	GETUTCDATE() + 2,
  	GETUTCDATE() + 4)
  
  SELECT *
  FROM dbo.PostalSending
  WHERE NumberOfPages > 100
  	AND ReceiverName IS NULL
  ORDER BY SenderName
  
  DROP TABLE dbo.PostalSending