Connect to oracle sys user

Hi folks
when i try to connect to oracle sys user from the unixbox its opening an idle instance .
[u01/appl/ora817]$ set ORACLE_SID=fclaie1
[u01/appl/ora817]$ sqlplus
SQL*Plus: Release 8.1.7.0.0 - Production on Thu Feb 28 09:37:55 2008
(c) Copyright 2000 Oracle Corporation. All rights reserved.
Enter user-name: / as sysdba
Connected to an idle instance.
SQL>
can someone suggest me why an idle instance is starting rather then the normal instance .
Your expert suggestion is highly appriciated
Thanks

Connected to an idle instance.Idle Instance means the instance has not started.
You can issue
c) Copyright 2000 Oracle Corporation. All rights reserved.
Enter user-name: / as sysdba
Connected to an idle instance.
SQL> startup <-- (Here)
After which your instance will be started. By the way what you mean by normal instance?
Adith

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Hi All,
A strange thing I have noticed with SYS user since Oracle 9i(never worked on earlier versions) is that I can connect to the SYS user as SYSDBA with wrong password as well! Please guide how to prevent this...
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There is nothing wrong and nothing should be, IMO, prevented.
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Logging in as owner of the software (oracle) all the time, what many DBAs do, is a bad idea anyway, as you can remove anyufile on O/S level.
Strategies to prevent this:
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or
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Sql developer 1.2.1 failed sys user login

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I can connect via sqlplus with the sys user and pw.
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This is the Oracle Designer forum. Not the SQL Developer forum.
Please repost in the proper forum.

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hi,
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import java.sql.DriverManager;
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     at connect.JDBC_Conn.polaczenie_z_baza(JDBC_Conn.java:18)
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the DWH database? where i should to put it?
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not connected
jdbc:oracle:thin:user/password@blahblahblah:blah:blah
java.sql.SQLException: Wyjątek we-wy: Invalid number format for port number
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is it possible that DBA did some restrict to access DB?
Edited by: pawelwtorek on 2009-03-19 16:59

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Moazzam wrote:
My senior colleague has given me following information about the sys user. I want to know, is it correct?
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Reg: Error while connecting to a remote database as SYS user.

Hello all,
When i try to connect to a database as SYS user i'm getting the error as
ora-01017 invalid username/password logon denied
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I created the password file and checked the contents in v$pwfile_users.
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so when i try to grant sysdba to sys user
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Regards,
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I created the passwordfile using the command below,
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Hi All,
Can any one suggest me what are the possibility to access database through SYS user...I install oracle database 10.2.0.4 on Win-2003 SE.
Now I want to make restrict that no one can be able to logged in database as a sys user so I do one thing that in sqlnet.ora file at server side make none in sql authentication line. What are the other possible way that user can access through sys user?
Please suggest me...
Thanks...

user505 wrote:
Hi All,
Can any one suggest me what are the possibility to access database through SYS user...I install oracle database 10.2.0.4 on Win-2003 SE.
Now I want to make restrict that no one can be able to logged in database as a sys user so I do one thing that in sqlnet.ora file at server side make none in sql authentication line. What are the other possible way that user can access through sys user?One other possibility can be to come from the remote system as the Sys user. So you can set remote_loginpasswordfile to shared. This will ensure that without knowing the password, person won't be able to connect.
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HTH
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In the password file I set the password of the os
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ORA-01017:invalid username/password ;login denied.
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Using sql can very well mislead. See below,
E:\Documents and Settings\aristadba>sqlplus / as sysdba
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Copyright (c) 1982, 2007, Oracle. All rights reserved.
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Hi Everyone,
Below are the scripts to reproduce the error
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C1 NUMBER,
C2 NUMBER,
GRP NUMBER
Insert into TESTING
(C1, C2, GRP)
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Insert into TESTING
(C1, C2, GRP)
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SQL> SELECT     SYS_CONNECT_BY_PATH (c1, '/') AS c1, c2
2        FROM testing
3 CONNECT BY c1 = PRIOR c2 AND (c2 >= PRIOR c1);
C1                                                         C2
/1                                                          2
/1/2                                                        5
/1                                                          3
/1/3                                                       11
/2                                                          5
/3                                                         11
/11                                                         1
7 ligne(s) sélectionnée(s).
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