Lock the table by user with grant only for select

Question

Hallo.
It is possible that the user has rights only for SELECT, do not lock the table? Now, where do "SELECT * FROM table FOR UPDATE", does not make the change, but it locks the entire table, and another user to get into it.
Thanks

Answer 1

And here is the "evidence" ;)
SQL> select * from v$version ;
BANNER
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Release 10.2.0.4.0 - Production
CORE    10.2.0.4.0      Production
TNS for Solaris: Version 10.2.0.4.0 - Production
NLSRTL Version 10.2.0.4.0 - Production
SQL> create user u1 identified by u1 ;
User created.
SQL> grant connect to u1 ;
Grant succeeded.
SQL> connect hr/hr
Connected.
SQL> create or replace view v_t1 as select username, user_id, created from t1 group by username, use
r_id, created with read only ;
View created.
SQL> grant select on v_t1 to u1 ;
Grant succeeded.
SQL> connect u1/u1
Connected.
SQL> select * from hr.v_t1 where rownum = 1 for update ;
select * from hr.v_t1 where rownum = 1 for update
ERROR at line 1:
ORA-02014: cannot select FOR UPDATE from view with DISTINCT, GROUP BY, etc.
SQL> select * from hr.v_t1 where rownum = 1
  2  ;
USERNAME                          USER_ID CREATED
AK                                     36 08-MAY-00