查看oracle实例有哪些用户？
涉及的表为dba_users
[oracle@rtest ~]$ sqlplus /nolog SQL*Plus: Release 11.2.0.3.0 Production on Mon Sep 2 11:05:49 2013 Copyright (c) 1982, 2011, Oracle. All rights reserved. idle> conn /as sysdba Connected. sys@TESTDB> 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 NOT NULL VARCHAR2(30) CREATED NOT NULL DATE PROFILE NOT NULL VARCHAR2(30) INITIAL_RSRC_CONSUMER_GROUP VARCHAR2(30) EXTERNAL_NAME VARCHAR2(4000) PASSWORD_VERSIONS VARCHAR2(8) EDITIONS_ENABLED VARCHAR2(1) AUTHENTICATION_TYPE VARCHAR2(8)查看用户状态：
sys@TESTDB> select username,account_status from dba_users; USERNAME ACCOUNT_STATUS ------------------------------ -------------------------------- SYS OPEN SYSTEM OPEN OUTLN EXPIRED & LOCKED MGMT_VIEW EXPIRED & LOCKED FLOWS_FILES EXPIRED & LOCKED MDSYS EXPIRED & LOCKED ORDSYS EXPIRED & LOCKED EXFSYS EXPIRED & LOCKED DBSNMP EXPIRED & LOCKED WMSYS EXPIRED & LOCKED APPQOSSYS EXPIRED & LOCKED APEX_030200 EXPIRED & LOCKED OWBSYS_AUDIT EXPIRED & LOCKED ORDDATA EXPIRED & LOCKED CTXSYS EXPIRED & LOCKED ANONYMOUS EXPIRED & LOCKED SYSMAN EXPIRED & LOCKED XDB EXPIRED & LOCKED ORDPLUGINS EXPIRED & LOCKED OWBSYS EXPIRED & LOCKED SI_INFORMTN_SCHEMA EXPIRED & LOCKED OLAPSYS EXPIRED & LOCKED SCOTT EXPIRED & LOCKED ORACLE_OCM EXPIRED & LOCKED XS$NULL EXPIRED & LOCKED BI EXPIRED & LOCKED PM EXPIRED & LOCKED MDDATA EXPIRED & LOCKED IX EXPIRED & LOCKED SH EXPIRED & LOCKED DIP EXPIRED & LOCKED OE EXPIRED & LOCKED APEX_PUBLIC_USER EXPIRED & LOCKED HR EXPIRED & LOCKED SPATIAL_CSW_ADMIN_USR EXPIRED & LOCKED SPATIAL_WFS_ADMIN_USR EXPIRED & LOCKED 36 rows selected.
比如解锁sh账户，sh账户为OCP考试需要用到的用户，SH账户里涉及的多张表在OCP有涉及考试。
目前SH的账户的状态为：EXPIRED & LOCKED
用以下命令给SH账户解锁：
> alter user sh account unlock; --解开LOCKED
> alter user sh identified by sh;--解开EXPIRED
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sys@TESTDB> alter user sh account unlock; User altered. sys@TESTDB> select username,account_status from dba_users; USERNAME ACCOUNT_STATUS ------------------------------ -------------------------------- SYS OPEN SYSTEM OPEN SH EXPIRED OUTLN EXPIRED & LOCKED MGMT_VIEW EXPIRED & LOCKED FLOWS_FILES EXPIRED & LOCKED MDSYS EXPIRED & LOCKED ORDSYS EXPIRED & LOCKED EXFSYS EXPIRED & LOCKED DBSNMP EXPIRED & LOCKED WMSYS EXPIRED & LOCKED APPQOSSYS EXPIRED & LOCKED APEX_030200 EXPIRED & LOCKED OWBSYS_AUDIT EXPIRED & LOCKED ORDDATA EXPIRED & LOCKED CTXSYS EXPIRED & LOCKED ANONYMOUS EXPIRED & LOCKED SYSMAN EXPIRED & LOCKED XDB EXPIRED & LOCKED ORDPLUGINS EXPIRED & LOCKED OWBSYS EXPIRED & LOCKED SI_INFORMTN_SCHEMA EXPIRED & LOCKED OLAPSYS EXPIRED & LOCKED SCOTT EXPIRED & LOCKED ORACLE_OCM EXPIRED & LOCKED XS$NULL EXPIRED & LOCKED BI EXPIRED & LOCKED PM EXPIRED & LOCKED MDDATA EXPIRED & LOCKED IX EXPIRED & LOCKED DIP EXPIRED & LOCKED OE EXPIRED & LOCKED APEX_PUBLIC_USER EXPIRED & LOCKED HR EXPIRED & LOCKED SPATIAL_CSW_ADMIN_USR EXPIRED & LOCKED SPATIAL_WFS_ADMIN_USR EXPIRED & LOCKED 36 rows selected. sys@TESTDB> alter user sh identified by sh; User altered. sys@TESTDB> select username,account_status from dba_users; USERNAME ACCOUNT_STATUS ------------------------------ -------------------------------- SYS OPEN SYSTEM OPEN SH OPEN OUTLN EXPIRED & LOCKED MGMT_VIEW EXPIRED & LOCKED FLOWS_FILES EXPIRED & LOCKED MDSYS EXPIRED & LOCKED ORDSYS EXPIRED & LOCKED EXFSYS EXPIRED & LOCKED DBSNMP EXPIRED & LOCKED WMSYS EXPIRED & LOCKED APPQOSSYS EXPIRED & LOCKED APEX_030200 EXPIRED & LOCKED OWBSYS_AUDIT EXPIRED & LOCKED ORDDATA EXPIRED & LOCKED CTXSYS EXPIRED & LOCKED ANONYMOUS EXPIRED & LOCKED SYSMAN EXPIRED & LOCKED XDB EXPIRED & LOCKED ORDPLUGINS EXPIRED & LOCKED OWBSYS EXPIRED & LOCKED SI_INFORMTN_SCHEMA EXPIRED & LOCKED OLAPSYS EXPIRED & LOCKED SCOTT EXPIRED & LOCKED ORACLE_OCM EXPIRED & LOCKED XS$NULL EXPIRED & LOCKED BI EXPIRED & LOCKED PM EXPIRED & LOCKED MDDATA EXPIRED & LOCKED IX EXPIRED & LOCKED DIP EXPIRED & LOCKED OE EXPIRED & LOCKED APEX_PUBLIC_USER EXPIRED & LOCKED HR EXPIRED & LOCKED SPATIAL_CSW_ADMIN_USR EXPIRED & LOCKED SPATIAL_WFS_ADMIN_USR EXPIRED & LOCKED 36 rows selected.
查看SH用户有哪些表？
sh@TEST0924> select * from tab; TNAME TABTYPE CLUSTERID ------------------------------ ------- ---------- 1_EMP TABLE BIN$51XUts/lTCDgQwEAAH/BlA==$0 TABLE CAL_MONTH_SALES_MV TABLE CHANNELS TABLE COSTS TABLE COUNTRIES TABLE CUSTOMERS TABLE DIMENSION_EXCEPTIONS TABLE DR$SUP_TEXT_IDX$I TABLE DR$SUP_TEXT_IDX$K TABLE DR$SUP_TEXT_IDX$N TABLE DR$SUP_TEXT_IDX$R TABLE EMP_1 TABLE EMP_2 TABLE EMP_3 TABLE FWEEK_PSCAT_SALES_MV TABLE INVOICE TABLE NEW_SALES TABLE PRICE_LIST TABLE PRODUCTS TABLE PROFITS VIEW PROMOTIONS TABLE SALES TABLE SALES_TRANSACTIONS_EXT TABLE SUPPLEMENTARY_DEMOGRAPHICS TABLE TIMES TABLE TRANSACTIONS TABLE TRANSACTIONS1 TABLE 28 rows selected.