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Find Users in Oracle

19 August 2020

Find Users in Oracle

You can find users created in Oracle by performing a command line query. User information is stored in various system tables – ALL_USERS and DBA_USERS, depending on what user information you want to get.

ALL_USERS

If you need to find all users that are visible to current users, you can query the ALL_USERS table.

Syntax to extract user information from ALL_USERS table in Oracle/PLSQL

SELECT *
FROM ALL_USERS;

Table ALL_USERS contains the following columns:

ColumnDescription
USERNAMEUsername
USER_IDNumerical identifier assigned to the user
CREATEDDate when the user was created

 

DBA_USERS

If you need to find all users that exist in Oracle or need additional user information, there is another system table called DBA_USERS.

Syntax to extract user information from DBA_USERS table in Oracle/PLSQL:

SELECT *
FROM DBA_USERS;

The DBA_USERS table contains the following columns:

ColumnDescription
USERNAMEName of user
USER_IDNumerical identifier assigned to the user
PASSWORDpassword
ACCOUNT_STATUSUser status:
  • OPEN
  • EXPIRED
  • EXPIRED(GRACE)
  • EXPIRED(TIMED)
  • LOCKED
  • EXPIRED & LOCKED(TIMED)
  • EXPIRED(GRACE) & LOCKED(TIMED)
  • EXPIRED & LOCKED
  • EXPIRED(GRACE) & LOCKED
LOCK_DATEThe date on which the user was blocked (if applicable)
EXPIRY_DATEUser term
DEFAULT_TABLESPACEUser’s table space, by default
TEMPORARY_TABLESPACETemporary table space for user
CREATEDDate when the user was created
PROFILEUser share profile name
INITIAL_RSRC_CONSUMER_GROUPInitial consumer group resource for user
EXTERNAL_NAMEExternal user name
PASSWORD_VERSIONSPassword hash versions list
EDITIONS_ENABLEDY/N shows the version that was enabled for the user
AUTHENTICATION_TYPEAuthentication method for the user
PROXY_ONLY_CONNECTY/N, indicating whether the user can connect directly or only through a proxy server
COMMONY/N, indicating whether the user is sharing
LAST_LOGINLast login time
ORACLE_MAINTAINEDY/N, indicating whether the user created and supported Oracle scripts

How to Find Username and Password of User Account in Oracle Database

 
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