Sqlplus to connect to remote oracle database server

Hi,
I have oracle 10g database server on solaris 10 and I usually connect using my solaris account and run sqlplus on the server itself. this works !
I have downloaded and installed oracle instant client for solaris 64 and I can run sqlplus command but I am confused on what should be the syntax on the command to connect to remote solaris 10 databse server where I have both system and oracle account.
I have tried sqlplus help but still I could not get correct sysntax which could be used to authenticate myself to oracle server.
I tried
sqlplus user@hostname:1512/SID
then it asked for password but when I typed password and pressed enter, it gave some error
but it again asked for username so I type user@SID and then password prompt - typed password and this works!
so I don't understand what should be the correct syntax so that in the first attempt only I am able to connect.
if possible please give the exact command with realworld examples,(I have tried with sqlplus -help already)
Thanks in advance.

wonder what if I did not have tnsnames.ora on the client machine, how will be the syntax?You generally need (or at least strongly want) a tnsnames.ora file on the client machine.
- You could configure Oracle Internet Directory and let that product provide TNS alias resolution for the organization (similar to setting up DNS for a local network).
- Many tools (I haven't personally tried SQL*Plus and it may be version dependent) allow you to specify the entire TNS alias from the tnsnames.ora file (i.e. everything after the abcd.domain.com = entry) but that is hugely cumbersome to type
- Depending on the Oracle client version, the sqlnet.ora file, the complexity of your configuration (i.e. if you are trying to use more sophisticated features like failover), you may be able to use the EZConnect syntax
sqlplus username/password@host:port:SID/service_nameWhere host is the server that the database is running on, port is the port the listener is listening on (i.e. 1521 by default) and SID/service_name is the SID or service name you're trying to connect to.
Justin

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Marina,
Please refer this question to the general Installation forum. Thanks!
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i'm having trouble connecting to an oracle database (Release 9.2.0.6.0) using the ojdbc14.jar from the oracle website. Can anybody spot the problems that i need to sort out to get it working? Code and error stack below.
Thanks,
Pat
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at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:162)
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at java.sql.DriverManager.getConnection(Unknown Source)
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You have:
String url = "jdbc:oracle:thin:@175.3.41.248/KNWAPROD";Example URLs I've seen/used are:
String url = "jdbc:oracle:thin:@//myhost:1521/orcl";
String URL = "jdbc:oracle:thin:scott/tiger@//myhost:1521/orcl"In other words, I think you've munged your URL; you need some slashes and a port number (1521 is the default).

Error while making connection with remote oracle database

Dear,
I am trying to make connection with oracle database but when i run java file it's raise an error "classnotfoundexception oracle.jdbc.driver.oracledriver"
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Thanks for support.
Below is error which i am getting while making connection with remote database.
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Can anyone points me to the right direction in doing this? Well at least for me, self study on OCCI documentation is pointing to the right direction ;-)
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cd ${ORACLE_HOME}/network/admin
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6b6c669e-6baa-45c4-a6dc-444aef2d5e7a wrote:
I can not connect remote oracle database over VPN. tnsping is ok and it shows the server information of remote database. i can also telnet the 1521 port of remote database server. I can connect the same server when it is located in the same LAN. Please help me out this is very urgent.
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---- edit 22 Sep
It occurred to me that I just assumed you were using the same client machine in both cases ... a laptop that you use both at work (local network) and home (vpn). If that assumption is false, there are probably problems with your tns setup on the home (vpn) machine.
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Hi All,
I'm new to Oracle and have been given the task of migrating photographs stored as BLOBs in Oracle to Fedora Commons.
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