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$NULL EXPIRED & LOCKED
BI EXPIRED & LOCKED
PM EXPIRED & LOCKED
MDDATA EXPIRED & LOCKED
IX EXPIRED & LOCKED
SH EXPIRED & LOCKED
DIP EXPIRED & LOCKED
OE EXPIRED & LOCKED
APEX_PUBLIC_USER EXPIRED & LOCKED
HR EXPIRED & LOCKED
SPATIAL_CSW_ADMIN_USR EXPIRED & LOCKED
SPATIAL_WFS_ADMIN_USR EXPIRED & LOCKED
36 rows selected.
比如解锁sh账户，sh账户为OCP考试需要用到的用户，SH账户里涉及的多张表在OCP有涉及考试。
目前SH的账户的状态为：EXPIRED & LOCKED
用以下命令给SH账户解锁：
sys@TESTDB> alter user sh account unlock; --解开LOCKED
sys@TESTDB> alter user sh identified by sh;--解开EXPIRED
sys@TESTDB> alter user sh account unlock;
User altered.
sys@TESTDB> select username,account_status from dba_users;
USERNAME ACCOUNT_STATUS
------------------------------ --------------------------------
SYS OPEN
SYSTEM OPEN
SH EXPIRED
OUTLN EXPIRED & LOCKED
MGMT_VIEW EXPIRED & LOCKED
FLOWS_FILES EXPIRED & LOCKED
MDSYS EXPIRED & LOCKED
ORDSYS EXPIRED & LOCKED
EXFSYS EXPIRED & LOCKED
DBSNMP EXPIRED & LOCKED
WMSYS EXPIRED & LOCKED
APPQOSSYS EXPIRED & LOCKED
APEX_030200 EXPIRED & LOCKED
OWBSYS_AUDIT EXPIRED & LOCKED
ORDDATA EXPIRED & LOCKED
CTXSYS EXPIRED & LOCKED
ANONYMOUS EXPIRED & LOCKED
SYSMAN EXPIRED & LOCKED
XDB EXPIRED & LOCKED
ORDPLUGINS EXPIRED & LOCKED
OWBSYS EXPIRED & LOCKED
SI_INFORMTN_SCHEMA EXPIRED & LOCKED
OLAPSYS EXPIRED & LOCKED
SCOTT EXPIRED & LOCKED
ORACLE_OCM EXPIRED & LOCKED
XS$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.