Oracle access to the current user's default tablespace

Many people use the Internet select default_tablespace from dba_users where usename = 'User name'; this SQL statement, but in fact is not easy to use, because when the current user does not have read permissions dba_users when an error, an error message is as follows:

Oracle access to the current user's default tablespace

If you use select username, default_tablespace from user_users; the SQL statement just fine.

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