User Authentication Data Dictionary Views

Oracle Database provides data dictionary views that list information about user authentication, such as roles that users have or profiles they use.

View Description
DBA_PROFILES Displays information about profiles, including their settings and limits
DBA_ROLES Displays the kind of authentication used for a database role to log in to the database, such as NONE or GLOBAL (query the AUTHENTICATION_TYPE column)
DBA_USERS Among other user information, displays the following: The kind of authentication the user used to log in to the database, such as PASSWORD or EXTERNAL (AUTHENTICATION_TYPE column)
The list of versions of password versions (also known as hashes) that exist for the user account (PASSWORD_VERSIONS column)
DBA_USERS_WITH_DEFPWD Displays whether the user account password is a default password
PROXY_USERS Displays users who are currently authorized to connect through a middle tier
V$DBLINK Displays user accounts for existing database links (DB_LINK, OWNER_ID columns); applies to the current pluggable database (PDB)
V$PWFILE Lists the names and granted administrative privileges of the administrative users who are included in the password file; also lists the password versions of these users
V$SESSION Querying the USERNAME column displays concurrently logged in users to the current PDB

Related Topics