相关疑难解决方法(0)

桌子 :

    CREATE TABLE GUESTS (
      GUEST_ID int IDENTITY(1,1) PRIMARY KEY, 
      GUEST_NAME VARCHAR(50), 
      GUEST_SURNAME VARCHAR(50), 
      ADRESS VARCHAR(100), 
      CITY VARCHAR(50), 
      CITY_CODE VARCHAR(10), 
      COUNTRY VARCHAR(50), 
      STATUS VARCHAR(20), 
      COMMENT nvarchar(max);

对于日志记录:

CREATE TABLE AUDIT_GUESTS (
  ID int IDENTITY(1,1) PRIMARY KEY, 
  GUEST_ID int,
  OLD_GUEST_NAME VARCHAR(50), 
  NEW_GUEST_NAME VARCHAR(50), 
  OLD_GUEST_SURNAME VARCHAR(50), 
  NEW_GUEST_SURNAME VARCHAR(50),
  OLD_ADRESS VARCHAR(100), 
  NEW_ADRESS VARCHAR(100),
  OLD_CITY VARCHAR(50), 
  NEW_CITY VARCHAR(50),
  OLD_CITY_CODE VARCHAR(10), 
  NEW_CITY_CODE VARCHAR(10), 
  OLD_COUNTRY VARCHAR(50), 
  NEW_COUNTRY VARCHAR(50), 
  OLD_STATUS VARCHAR(20), 
  NEW_STATUS VARCHAR(20), 
  OLD_COMMENT nvarchar(max), 
  NEW_COMMENT nvarchar(max), 
  AUDIT_ACTION varchar(100),
  AUDIT_TIMESTAMP datetime);

我想在我的GUESTS表上创建一个触发器来记录我表中的所有更改AUDIT_GUESTS.我如何在SQL …