一、ed编辑器 SQL define DEFINE _DATE = 09-FEB-18 (CHAR) DEFINE _CONNECT_IDENTIFIER = wyzc11g (CHAR) DEFINE _USER = HR (CHAR) DEFINE _PRIVILEGE = (CHAR) DEFINE _SQLPLUS_RELEASE = 1102000300 (CHAR) DEFINE _EDITOR = ed (CHAR) # 默认编辑...