Connecting to remote database (idle) with Password File Authentication
Hi all,
I was wondering if it's possible to connect to a remote database that is shut down (idle instance) as sys user with sysdba privileges? In the book Oracle - All in One on page 210 in the section - Operating System and Password File Authentication it says:
Connection with operating system or password file authentication is always possible, no matter what state the instance and database are in, and is necessary to issue STARTUP or SHUTDOWN commands.
Above indicates that it's possible but I'm unable to do so.
I managed to connect to remote database that was in nomount mode (see below for details).
When I first tried to connect to a remote database (idle instance) using password file authentication it was giving following error:
sqlplus sys@ORCL as sysdbaSQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 13:59:28 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter password:
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptor
Enter user-name:
After starting the database to nomount mode I was getting following error:
sqlplus sys@ORCL as sysdbaSQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 13:48:36 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter password:
ERROR:
ORA-12528: TNS:listener: all appropriate instances are blocking new connections
Enter user-name:
So I added the clause (UR=A) to my listener.ora file and after that it work and I was able to connect:
sqlplus sys@ORCL as sysdbaSQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 14:04:49 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter password:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL>
I have all necessairly entries in tnsnames.ora on my local host.
Also I have no problems when connecting as sys user with sysdba when the DB is open but can't get it work on an idle instance.
I know that I can use operating system authentication but want to know if there is a mistake in the book or I'm doing something wrong.
Regards,
Dawid
Edited by: 978239 on 2012-12-21 06:24
978239 wrote:
Hi all,
I was wondering if it's possible to connect to a remote database that is shut down (idle instance) as sys user with sysdba privileges? In the book Oracle - All in One on page 210 in the section - Operating System and Password File Authentication it says:
Connection with operating system or password file authentication is always possible, no matter what state the instance and database are in, and is necessary to issue STARTUP or SHUTDOWN commands.
Above indicates that it's possible but I'm unable to do so.
I managed to connect to remote database that was in nomount mode (see below for details).
When I first tried to connect to a remote database (idle instance) using password file authentication it was giving following error:
sqlplus sys@ORCL as sysdbaSQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 13:59:28 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter password:
ERROR:
ORA-12514: TNS:listener does not currently know of service requested in connect
descriptorSince the database is down, the only way the listener is going to know of it is if you create a static registration by adding an entry for the db in the SID_LIST section of listener.ora
>
Enter user-name:
After starting the database to nomount mode I was getting following error:
sqlplus sys@ORCL as sysdbaSQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 13:48:36 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter password:
ERROR:
ORA-12528: TNS:listener: all appropriate instances are blocking new connections
Enter user-name:
So I added the clause (UR=A) to my listener.ora file and after that it work and I was able to connect:
sqlplus sys@ORCL as sysdbaSQL*Plus: Release 11.2.0.3.0 Production on Fri Dec 21 14:04:49 2012
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Enter password:
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL>
I have all necessairly entries in tnsnames.ora on my local host.
Also I have no problems when connecting as sys user with sysdba when the DB is open but can't get it work on an idle instance.
I know that I can use operating system authentication but want to know if there is a mistake in the book or I'm doing something wrong.
Regards,
Dawid
Edited by: 978239 on 2012-12-21 06:24
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SQL*Plus: Release 11.2.0.1.0 Production on Fri Jun 18 17:39:07 2010
Copyright (c) 1982, 2009, Oracle. All rights reserved.
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2010-06-18 17:41:41.058 01010001 1362743838 DMON: MON_PROPERTY operation completed
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total 14928
drwxr-x--- 2 oracledb dba 4096 Dec 13 22:27 .
drwxr-xr-x 66 oracledb dba 4096 Oct 22 11:32 ..
-rw-rw-r-- 1 oracledb dba 0 Oct 22 11:33 PROD_oradb_ifile.ora
-rw-rw---- 1 oracledb dba 1544 Oct 20 11:34 hc_PROD.dat
-rw-rw-r-- 1 oracledb dba 19028 Oct 21 14:57 initPROD_bak.ora
-rw-r--r-- 1 oracledb dba 23584 Oct 22 11:33 initPROD_noaq.ora
-rw-r--r-- 1 oracledb dba 23576 Oct 27 13:29 initPROD.ora
-rw-rw-r-- 1 oracledb dba 19028 Oct 21 14:55 initPROD.ora.21Oct
-rw-r--r-- 1 oracledb dba 12920 May 3 2001 initdw.ora
-rw-r----- 1 oracledb dba 8385 Sep 11 1998 init.ora
-rw-rw---- 1 oracledb dba 24 Oct 20 11:34 lkPROD
-rw-rw---- 1 oracledb dba 24 Oct 21 15:22 lkPROD
-rw-r----- 1 oracledb dba 2048 Dec 13 22:31 orapwPROD
-rw------- 1 oracledb dba 15122432 Dec 1 18:39 snapcf_PROD.fBest Regards,
Neel -
Connecting to Remote Database using Debian w/Oracle XE
Hello.
I have managed to install Oracle XE on a Debian box.
I am trying to connect to a remote server located on my network.
I am using the following connection string:
# sqlplus <User>/<Password>@'(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=<IP>)(PORT=1521)))(CONNECT_DATA=(SID=<SID>)))'
However, I was given both a SID and a Service_name.
I tried connecting with both.
Is it possible to parametrize both? I checked and the remote server is up, and that is the existing port.
Thanks a lot!user603592 wrote:
Hello.
I have managed to install Oracle XE on a Debian box.
I am trying to connect to a remote server located on my network.
I am using the following connection string:
# sqlplus <User>/<Password>@'(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=<IP>)(PORT=1521)))(CONNECT_DATA=(SID=<SID>)))'
However, I was given both a SID and a Service_name.
I tried connecting with both.
Is it possible to parametrize both? yes, see below
bcm@bcm-laptop:~$ sqlplus -h
SQL*Plus: Release 11.2.0.1.0 Production
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Use SQL*Plus to execute SQL, PL/SQL and SQL*Plus statements.
Usage 1: sqlplus -H | -V
-H Displays the SQL*Plus version and the
usage help.
-V Displays the SQL*Plus version.
Usage 2: sqlplus [ [<option>] [{logon | /nolog}] [<start>] ]
<option> is: [-C <version>] [-L] [-M "<options>"] [-R <level>] [-S]
-C <version> Sets the compatibility of affected commands to the
version specified by <version>. The version has
the form "x.y[.z]". For example, -C 10.2.0
-L Attempts to log on just once, instead of
reprompting on error.
-M "<options>" Sets automatic HTML markup of output. The options
have the form:
HTML [ON|OFF] [HEAD text] [BODY text] [TABLE text]
[ENTMAP {ON|OFF}] [SPOOL {ON|OFF}] [PRE[FORMAT] {ON|OFF}]
-R <level> Sets restricted mode to disable SQL*Plus commands
that interact with the file system. The level can
be 1, 2 or 3. The most restrictive is -R 3 which
disables all user commands interacting with the
file system.
-S Sets silent mode which suppresses the display of
the SQL*Plus banner, prompts, and echoing of
commands.
<logon> is: {<username>[/<password>][@<connect_identifier>] | / }
[AS {SYSDBA | SYSOPER | SYSASM}] [EDITION=value]
Specifies the database account username, password and connect
identifier for the database connection. Without a connect
identifier, SQL*Plus connects to the default database.
The AS SYSDBA, AS SYSOPER and AS SYSASM options are database
administration privileges.
<connect_identifier> can be in the form of Net Service Name
or Easy Connect.
@[<net_service_name> | [//]Host[:Port]/<service_name>]
<net_service_name> is a simple name for a service that resolves
to a connect descriptor.
Example: Connect to database using Net Service Name and the
database net service name is ORCL.
sqlplus myusername/mypassword@ORCL
Host specifies the host name or IP address of the database
server computer.
Port specifies the listening port on the database server.
<service_name> specifies the service name of the database you
want to access.
Example: Connect to database using Easy Connect and the
Service name is ORCL.
sqlplus myusername/mypassword@Host/ORCL
The /NOLOG option starts SQL*Plus without connecting to a
database.
The EDITION specifies the value for Session Edition.
<start> is: @<URL>|<filename>[.<ext>] [<parameter> ...]
Runs the specified SQL*Plus script from a web server (URL) or the
local file system (filename.ext) with specified parameters that
will be assigned to substitution variables in the script.
When SQL*Plus starts, and after CONNECT commands, the site profile
(e.g. $ORACLE_HOME/sqlplus/admin/glogin.sql) and the user profile
(e.g. login.sql in the working directory) are run. The files may
contain SQL*Plus commands.
Refer to the SQL*Plus User's Guide and Reference for more information.
bcm@bcm-laptop:~$ -
Oracle 8.0.5 on RH6.0, unable to connect to remote database
Hi Everybody,
I have this problem, i have running oracle 8.0.5 on RH6.0
everything works ok for me. But when i use sqlplus on box where
is my Oracle running and try to connect to another database on
my site (which is running on HPUX) I got resul ORA-01017 invalid
username/password. Tnsping to this machine is ok, so i have this
in my tnsname.ora When i create dabase link (with user which I
try to use to connect remote database) on my local datbase to
this database then link works sucessfully too. select * from
dual@remote_database Ok. What's wrong ??? Remote database is
Oracle 7.3.4.3 on HPUX. Any difference between SQL*Net of
Oracle7 and 8 ???
nullTry putting
disable_oob = ON
in your sqlnet.ora file.
Anwar.
Radek Sedmak (guest) wrote:
: Hi Everybody,
: I have this problem, i have running oracle 8.0.5 on RH6.0
: everything works ok for me. But when i use sqlplus on box where
: is my Oracle running and try to connect to another database on
: my site (which is running on HPUX) I got resul ORA-01017
invalid
: username/password. Tnsping to this machine is ok, so i have
this
: in my tnsname.ora When i create dabase link (with user which I
: try to use to connect remote database) on my local datbase to
: this database then link works sucessfully too. select * from
: dual@remote_database Ok. What's wrong ??? Remote database is
: Oracle 7.3.4.3 on HPUX. Any difference between SQL*Net of
: Oracle7 and 8 ???
null -
Connecting to remote database using Connector/J
I'm new to JDBC so be gentle.
Basically i'm trying to connect to a remote database from my own computer (client to server). As far as I know i'm doing everything correctly. Am I correct in thinking that Connector/J is native to JDK versions 1.2 and up? Which in turn means that I don't have to install any other drivers as long as i have the JDK installed?
public void loadDriver() {
try {
Class.forName("com.mysql.jdbc.Driver").newInstance();
catch (Exception ex) {
System.out.println("Cannot load driver");
}Ok, here's my loadDriver() method which isn't working and causes nothing else to work because it doesn't work. I'm getting the information from the mySQL documentation here: http://dev.mysql.com/doc/connector/j/en/cj-registering-with-driver-manager.html
Not sure what's going wrong here, help would be very much appreciated
RegardsOk i ended up putting the correct .jar file into the correct dir finally. It seems as though some of the instructions in the documentation are incorrect.
Ok i am now able to load the driver but the connection keeps timing out when trying to connect to the database.
At the moment i'm trying the following:
con = DriverManager.getConnection("jdbc:mysql://kezzer.co.uk/db", "username", "password");But it doesn't seem to be working. Obviously i'm not using those exact strings for the database, username and password but that's the format it's currently in. Any ideas?
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