How to rename a column name

Question

dear friends,
Is there any other way to rename a column without creating another table with the requested colum name and dropping the eariler table after inserting the values from it.

Answer 1

SQL> desc t2
Name                                      Null?    Type
ID2                                                NUMBER
SQL> alter table t2 rename column id2 to id;
Table altered.
SQL> desc t2
Name                                      Null?    Type
ID                                                 NUMBERRgds.
...but don't forget side effects !
SQL> create or replace view v2 as select id from t2;
View created.
SQL> select status from user_objects where object_name = 'V2';
STATUS
VALID
SQL> alter table t2 rename column id to id2;
Table altered.
SQL> select status from user_objects where object_name = 'V2';
STATUS
INVALID
SQL> select * from v2;
select * from v2
ERROR at line 1:
ORA-04063: view "SCOTT.V2" has errorsMessage was edited by:
dnikiforov