关于Scott用户

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一：典型安装的情况下包括Scott用户 ，默认情况下是锁定的状态，可以通过命令行来进行解锁；

-:SQL> alter user scott account unlock identefied bu tiger;
alter user scott account unlock identefied bu tiger
                                *
ERROR at line 1:
ORA-00922: missing or invalid option


SQL>

_：缺失或者无效的选择

然后进行查找看看有没有这个Scott

SQL> select username from dba_users where username=‘scott‘;

no rows selected

二：如果环境中没有Scott用户，那么可以利用Oracle自带的脚本来进行创建

SQL>
SQL> @?/rdbms/admin/utlsampl.sql
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@localhost ~]$
[oracle@localhost ~]$
[oracle@localhost ~]$ sqlplus scott/tiger

SQL*Plus: Release 11.2.0.4.0 Production on Sun Sep 25 20:27:44 2016

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select * from tab;

TNAME                          TABTYPE  CLUSTERID
------------------------------ ------- ----------
BONUS                          TABLE
DEPT                           TABLE
EMP                            TABLE
SALGRADE                       TABLE

SQL>

SQL> select tname from tab;

TNAME
------------------------------
BONUS
DEPT
EMP
SALGRADE

SQL>

（*？是指操作系统中环境变量$ORACLE_HOME)

关于Scott用户

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原文地址：http://www.cnblogs.com/material/p/5906812.html