text: --01. Create Table Logs
  CREATE TRIGGER tr_AccountChanges ON Accounts FOR UPDATE
  AS
  	DECLARE @newSum DECIMAL (15, 2) = (SELECT Balance FROM inserted)
  	DECLARE @oldSum DECIMAL (15, 2) = (SELECT Balance FROM deleted)
  	DECLARE @accoundId INT = (SELECT Id FROM inserted)
  
  	INSERT INTO Logs (AccountId, OldSum, NewSuM) 
  	VALUES (@accoundId, @oldSum, @newSum)