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SQL*Plus: Release 9.2.0.4.0 - Production on Tue Jul 14 18:12:38 2009
Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.
SQL> conn sys/sys as sysdba
Connected.
SQL> show user
USER is "SYS"
SQL> desc dba_users
 Name                                   Null?    Type
 ----------------------------------------- -------- ----------------------------
 USERNAME                         NOT NULL VARCHAR2(30)
 USER_ID                             NOT NULL NUMBER
 PASSWORD                                 VARCHAR2(30)
 ACCOUNT_STATUS                   NOT NULL VARCHAR2(32)
 LOCK_DATE                                       DATE
 EXPIRY_DATE                                    DATE
 DEFAULT_TABLESPACE                    NOT NULL VARCHAR2(30)
 TEMPORARY_TABLESPACE&n


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Oracle Êý¾ÝÉú³É Ë÷Òý

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