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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';

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?;

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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