On this page 
Warning:
As of November 10, 2018, CockroachDB v1.0 is no longer supported. For more details, refer to the Release Support Policy.
The SHOW USERS statement lists the users for all databases.
Synopsis
Required Privileges
No privileges are required to list users.
Example
> SHOW USERS;
+------------+
| username |
+------------+
| jpointsman |
| maxroach |
| root |
+------------+
See Also
Was this helpful?
