strange problem with v$recover

From: Andrea Oracle <andreaoracle_at_yahoo.com>
Date: Mon, 27 Aug 2001 14:09:16 -0700
Message-ID: <F001.00378D2D.20010827142136@fatcity.com>

All, I got a problem with v$recover_file. Somehow the query failed if selecting is on ONLINE column.

SQL> desc v$recover_file;

 Name                          Null?    Type
 ----------------------------- --------
---------------
 FILE#                                  NUMBER
 ONLINE                                 VARCHAR2(7)
 ERROR                                  VARCHAR2(18)
 CHANGE#                                NUMBER
 TIME                                   DATE

These are OK:

select CHANGE# from v$recover_file;
select TIME from v$recover_file;
select * from v$recover_file;

However these gave me error:

select ONLINE from v$recover_file;
select online, ERROR from v$recover_file; select FILE# , ONLINE,ERROR , CHANGE#,TIME from v$recover_file;

*
ERROR at line 1:
ORA-00936: missing expression

SQL> select v.name, b.online
2 from v$datafile v, v$recover_file b 3 where v.file# = b.file#;
select v.name, b.online

ERROR at line 1:
ORA-01747: invalid user.table.column, table.column, or column specification

What's happening?! Thank you.

Andrea

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Author: Andrea Oracle
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strange problem with v$recover_file ???