摘要： 1：查看当前用户的环境设置：SQL> defineDEFINE _DATE = "21-JAN-14" (CHAR)DEFINE _CONNECT_IDENTIFIER = "updb" (CHAR)DEFINE _USER = "SCOTT" (CHAR)DEFINE _PRIVILEGE = "" (CHAR)DEFINE _SQLPLUS_RELEASE = "1102000300" (CHAR)DEFINE _EDITOR = "ed" (CHAR)DEFINE 阅读全文