SQL> show user
USER 为 "SYS"
SQL> ALTER SESSION SET CURRENT_SCHEMA =xu;
会话已更改。
SQL> create view v_a as select * from t;
视图已创建。
SQL> desc xu.v_a
名称 是否为空? 类型
----------------------------------------- -------- ----------------------------
OWNER NOT NULL VARCHAR2(30)
OBJECT_NAME NOT NULL VARCHAR2(30)
SUBOBJECT_NAME VARCHAR2(30)
OBJECT_ID NOT NULL NUMBER
DATA_OBJECT_ID NUMBER
OBJECT_TYPE VARCHAR2(19)
CREATED NOT NULL DATE
LAST_DDL_TIME NOT NULL DATE
TIMESTAMP VARCHAR2(19)
--------------------------------------------------------------------------------
From: james.huang@je01.com
To: xjwei_no1@hotmail.com
Subject: 请教一个问题
Date: Tue, 19 Feb 2008 19:27:01 +0800