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sqlplus List Tables and VIEWS

Oracle Tips by Burleson Consulting
May 7, 2008

The query below will return a list of all the Tables/VIEWS in the database.

SELECT table_name FROM DICTIONARY ORDER BY table_name;

Upon using this query you will be able to access the various tables and VIEWS.  For example, one of these VIEWs is called DBA_USERS which we describe below.

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                      NOT NULL VARCHAR2(30)
 CREATED                                   NOT NULL        DATE
 PROFILE                                   NOT NULL VARCHAR2(30)
 INITIAL_RSRC_CONSUMER_GROUP                   VARCHAR2(30)
 EXTERNAL_NAME                                 VARCHAR2(4000)
 

Plus we can select the comments from the Dictionary regarding this VIEW.

SQL> select comments from dictionary where table_name='DBA_USERS';

COMMENTS
------------------------------------------------------------------
Information about all users of the database

We can then find out what the columns are in this table

SELECT column_name FROM dict_columns WHERE table_name ='DBA_USERS' ORDER BY COLUMN_NAME;

Then ?zooming? into the password column we see:

SELECT comments FROM dict_columns WHERE table_name ='DBA_USERS' and column_name=?PASSWORD?;

COMMENTS
-----------------------------------------------------------------
Encrypted password


This is an excerpt from the book "Oracle Forensics: Oracle Security Best Practices", by Paul M. Wright, the father of Oracle Forensics.



 

 

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