TNsNAMES.ORA

Dear All,
I am a new user of sql devloper.I have a tnsnames.ora which regularly updates the ip of the database. How can i set the file to sql devloper.
Regards
Rajat

Tools -> Preferences -> Database -> Advanced -> Tnsnames DirectoryMind this will pick up all the TNSNAMES.ORA* files present in the directory you specify.

Similar Messages

Tnsnames.ora is not working

Hello,
In my UAT envirnment we have 3 database on IBM AIX powerPC (64-bit) all are on 10.2.0.5.0
My listener.ora and tnsnames.ora is at default location $ORACLE_HOME/network/admin/
my listener is up
$ lsnrctl status
LSNRCTL for IBM/AIX RISC System/6000: Version 10.2.0.5.0 - Production on 04-MAR-2011 11:56:08
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
STATUS of the LISTENER
Alias LISTENER
Version TNSLSNR for IBM/AIX RISC System/6000: Version 10.2.0.5.0 - Production
Start Date 16-FEB-2011 18:51:16
Uptime 15 days 17 hr. 4 min. 52 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/10.2.0.1/db_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/product/10.2.0.1/db_1/network/log/listener.log
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=172.16.8.17)(PORT=1521)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "preprod" has 1 instance(s).
Instance "preprod", status UNKNOWN, has 1 handler(s) for this service...
Service "uat" has 2 instance(s).
Instance "uat", status UNKNOWN, has 1 handler(s) for this service...
Instance "uat", status READY, has 1 handler(s) for this service...
Service "uat_XPT" has 1 instance(s).
Instance "uat", status READY, has 1 handler(s) for this service...
Service "uattest" has 2 instance(s).
Instance "uattest", status UNKNOWN, has 1 handler(s) for this service...
Instance "uattest", status READY, has 1 handler(s) for this service...
Service "uattest_XPT" has 1 instance(s).
Instance "uattest", status READY, has 1 handler(s) for this service...
The command completed successfully
i can remotely connected to database but on the same server tnsping is showing following error
$ tnsping UATTEST
TNS Ping Utility for IBM/AIX RISC System/6000: Version 10.2.0.5.0 - Production on 04-MAR-2011 11:59:09
Copyright (c) 1997, 2010, Oracle. All rights reserved.
Used parameter files:
/u01/app/oracle/product/10.2.0.1/db_1/network/admin/sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.8.17)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = uat)))
TNS-12535: TNS:operation timed out
or some time
ORA-12547: TNS: lost contact
remotely all the users are connected to listener but on the same server the operation is failed
I cant connect to other database using this tnsnames.ora file
can any one help me
regards
Bhushan
Edited by: user9176407 on Mar 3, 2011 10:38 PM

user9176407 wrote:
Thanks for the reply
In My server 3 database are there there a database by service name uat also present there
I check all the configuration the entries in my tnsnames.ora is as below
PREPROD =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.8.17)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = preprod)
UAT =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.8.17)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = uat)
UATTEST =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.8.17)(PORT = 1521))
(CONNECT_DATA =
(SERVICE_NAME = uattest)
conf_uat =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)
(HOST = 172.16.8.17)
(PORT = 1521)
(CONNECT_DATA =
(SERVICE_NAME = uat)
(SID = uat)
also my listner file entries are
SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = PLSExtProc)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0.1/db_1)
(PROGRAM = extproc)
(SID_DESC =
(SID_NAME = uat)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0.1/db_1)
(SID_DESC =
(SID_NAME = uattest)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0.1/db_1)
(SID_DESC =
(SID_NAME = preprod)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0.1/db_1)
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.8.17)(PORT = 1521))
Ok, for your listener.ora file, above you have the SID_LIST and the LISTENER sections. But what is this that follows, below?
>
uat =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.8.17)(PORT = 1528))
SID_LIST_uat =
(SID_LIST =
(SID_DESC =
(SID_NAME = configdb)
(ORACLE_HOME = /u01/app/oracle/product/10.2.0.1/db_1)
which is working file
but i have an problem in my tnsname.ora file

Creating a service ; What needs to be added to tnsnames.ora and JDBC url?

DB version: 11.2.0.2
OS platform : Solaris 10
We have a 2 node RAC.
DB name   = mbsprd
Instance1 = mbsprd1
Instance2 = mbsprd2I want Instance 1 (mbsprd1) to be used for our OLTP application and Instance 2 (mbsprd2) to be used for another application of DSS nature.
Based on the syntax
srvctl add service -d <dbname> -s <ServiceName> -r <Preferred Instance> -a <Available Instance>I am going to create 2 services
-- Creating a service called OLTP
srvctl add service -d mbsprd -s OLTP -r mbsprd1 -a mbsprd2-- Creating a service called DSS
srvctl add service -d mbsprd -s DSS -r mbsprd2 -a mbsprd1-- Starting the services
srvctl start service -d mbsprd -s OLTP
srvctl start service -d mbsprd -s DSSI guess the above steps are enough to configure a service at the server side.
I would like to know what needs to be done at the client side.
Currently the tnsnames.ora file and JDBC url used by our clients are shown below. What needs to be added to tnsnames.ora file and jdbc URL to start using services configured above?
-- SCAN based TNS entry
mbsprd =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (COMMUNITY = tcp.world)
        (PROTOCOL = TCP)(Host = p148149-scan.tpam.net) (Port = 36964))
    (CONNECT_DATA =
      (SERVER       = DEDICATED)
      (SERVICE_NAME = mbsprd)
      (FAILOVER_MODE=(TYPE=SELECT)(METHOD=BASIC))
-- TNS entry based on local listener
-- Instance 1
mbsprd1 =
(DESCRIPTION =
   (ADDRESS_LIST =
   (ADDRESS =(PROTOCOL = TCP)(HOST = hsolarp148-vip)(PORT = 36973))
   (CONNECT_DATA =
         (SERVICE_NAME = mbsprd)
         (INSTANCE_NAME = mbsprd1)
-- Instance 2
-- TNS entry based on local listener
mbsprd2 =
(DESCRIPTION =
   (ADDRESS_LIST =
   (ADDRESS =(PROTOCOL = TCP)(HOST = hsolarp149-vip)(PORT = 36973))
   (CONNECT_DATA =
         (SERVICE_NAME = mbsprd)
         (INSTANCE_NAME = mbsprd2)
)JDBC entry for RAC
jdbc:oracle:thin:@p148149-scan.tpam.net:36964:mbsprd -- Alternative version used by some clients because the above had 'some issues'
jdbc:oracle:thin:@(DESCRIPTION=(LOAD_BALANCE=on)(ADDRESS=(PROTOCOL=TCP)(HOST=p148149-scan.tpam.net) (PORT=36964))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=mbsprd)(FAILOVER_MODE =(TYPE = SELECT)(METHOD = BASIC)(RETRIES = 180)(DELAY = 10))))

OLTP =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = p148149-scan.tpam.net)(PORT = your_port_number))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = OLTP)
DSS =
(DESCRIPTION =
    (ADDRESS = (PROTOCOL = TCP)(HOST = p148149-scan.tpam.net)(PORT = your_port_number))
    (CONNECT_DATA =
      (SERVER = DEDICATED)
      (SERVICE_NAME = DSS)
)JDBC entry for RAC
jdbc:oracle:thin:@p148149-scan.tpam.net:36964:service_name
jdbc:oracle:thin:@new_tns_entry_description(if you would like to connect the database with particular service)
try this and let us know any issues,

Multiple entries for a single Host in tnsnames.ora

I'm part of the end user computing and we are in the process of making a consolidated tnsnames.ora file as part of our migration from Windows XP to 7.
The following two entries are to the same host, but are named different and use different ports, we can't locate the original programmer that set it up.
I need to know if this would cause conflicts or not?
PYRPROD.WORLD =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = [same hostname])(Port = 1521))
    (CONNECT_DATA =
      (SID = pyrp1)
PYRP1 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [same hostname])(PORT = 1526))
    (CONNECT_DATA =
      (SERVICE_NAME = pyrp1)

TekWarrior wrote:
I'm part of the end user computing and we are in the process of making a consolidated tnsnames.ora file as part of our migration from Windows XP to 7.
The following two entries are to the same host, but are named different and use different ports, we can't locate the original programmer that set it up.
I need to know if this would cause conflicts or not?
PYRPROD.WORLD =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = [same hostname])(Port = 1521))
    (CONNECT_DATA =
      (SID = pyrp1)
PYRP1 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [same hostname])(PORT = 1526))
    (CONNECT_DATA =
      (SERVICE_NAME = pyrp1)
TekWarrior wrote:
I'm part of the end user computing and we are in the process of making a consolidated tnsnames.ora file as part of our migration from Windows XP to 7.
The following two entries are to the same host, but are named different and use different ports, we can't locate the original programmer that set it up.
I need to know if this would cause conflicts or not?
PYRPROD.WORLD =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(Host = [same hostname])(Port = 1521))
    (CONNECT_DATA =
      (SID = pyrp1)
PYRP1 =
(DESCRIPTION =
    (ADDRESS_LIST =
      (ADDRESS = (PROTOCOL = TCP)(HOST = [same hostname])(PORT = 1526))
    (CONNECT_DATA =
      (SERVICE_NAME = pyrp1)
It won't cause any problem.

Cannot find tnsnames.ora error message

We are using oracle 10.2.0.1 via Toad. I get a cannot find tnsnames.ora file error message and see only a tnsnames.ora file in the sample file under the c:\ORACLE\product\10.2.0.1\NETWORK\ADMIN\ directory.
Do I need to create this file, and if so how do I do this?
Thanks in advance for your help
regards,
user12943453

Do I need to use the TNSNames Editor? No need for tnsnames.ora or SQL*net to access local DB
Can I just use direct connect and the sqlnet editor?YES!

EM doesn't allow creation of tnsnames.ora entry with service name orcl11gr2

Dear all,
I'm trying to create a net service name with EM Database Control, via Net Services Administration link. On the service name field, under the 'Edit Net Service Name' screen, I key in orcl11gr2, and it throws the the following error:
Validation Error
Examine and correct the following errors, then retry the operation:
Service Name - Specify a valid service name.
I wonder what is the extra validation that EM is checking. I assume it's checking the number of characters to be 8 characters or less.
Also, because of this extra validation that is in EM, all tnsnames.ora entry that have service name = orcl11gr2, I will not be able to use EM to modify them, as I will get the same above error.
But why does Oracle implements this extra validation, when the same validation is not implemented on other Oracle tools? For instance:
1. dbca allows me to create a database with instance_name greater than 8 characters, and the outcome of initialization parameters will be as follow:
db_name=orcl11gr -- truncated to 8 characters
instance_name=orcl11gr2
db_unique_name=orcl11gr2
service_names=orcl11gr2
2. Oracle Net Manager supports service name of orcl11gr2. The created Net Service Name, I have no problem connecting to the database.
3. Listener support orcl11gr2 service name
I'm using Oracle 11g R2 (11.2.0.1.0) for Microsoft Windows (x64), running on Windows 7.

For your reference, here is the bug numbner: 10278345.
-Mughees

Tnsnames.ora file does not seem to load in SQL Developer

I've really tried my best to figure this out on my own ... through the Help, this forum, and Internet in general. I apoligize in advance for having to ask this, since I'm sure this is a common issue. This particular form entry was really close:
Database Connections will not load tnsnames.ora
But, I just can seem to figure out why, or where entries from my tnsnames.ora file are loading into SQL Developer.
- I have the TNS_ADMIN system environment variable defined to the directory where tnsnames.ora is stored - C:\oracle\product\10.2.0\client_1\NETWORK\ADMIN.
- I do not see a TNS tab as the forum entry above indicates anywhere in SQL Developer - This may be my problem.
It seems that this issue could be cleared up with better directions on how to import tnsnames.ora entries into SQL Developer. Is there any specific direction on how to get your tnsnames.ora file setup correctly with SQL Developer running on Windows XP - Besides the Help which mentions the setup of TNS_ADMIN, but doesn't really tell you what the expected result is, or where the entries will be, or how to verify this is working?
Any help would be most appreciated.
Thanks,
Dave
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Using Windows XP/Vista...
After testing in our environment, it appears that SQL Developer 1.5.1 (5440) does in fact ignore the TNS_ADMIN environment variable and ONLY looks in the Oracle Home directory (network/admin). We define a central network location for our tnsnames file and have the tns_admin setup to point there instead of locally for our users.
When selecting to add a new connection (in 1.5.1, it works in previously releases... meaning 1.2.something) and selecting TNS, the drop-down remains empty. However, if I exit SQL Developer and then copy the tnsnames file to the local network/admin directory I can then re-launch SQL Developer and the drop-down is populated. Exiting SQL Developer again, deleting the local copy of tnsnames, and then launching SQL Developer yet again results in the drop-down being empty.
All other Oracle-related applications function as expected (as they have for years) using the TNS_ADMIN environment variable.
Any suggestions/ideas?

How to use ODBC SQLDriverConnect() without using tnsnames.ora file

I have an ODBC application that connects to an Oracle 10g database. Currently, my SQLDriverConnect() function call uses the following connection string:
DRIVER={Oracle in OraClient10g_home1}; DBQ=MyDB.world; DBA=W; UID=foo; PWD=bar
This requires an entry in the tnsnames.ora file that looks like this:
MyDB.world =
(DESCRIPTION = (ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)(Host = server1.intel.com)(Port = 1521)
(ADDRESS =
(PROTOCOL = TCP)(Host = server2.intel.com)(Port = 1521)
(ADDRESS =
(PROTOCOL = TCP)(Host = server3.intel.com)(Port = 1521)
(ADDRESS =
(PROTOCOL = TCP)(Host = server4.intel.com)(Port = 1521)
(LOAD_BALANCE = yes)
(CONNECT_DATA = (SERVER = DEDICATED)
(SERVICE_NAME = MY_SRVC))
However, I would really like to be able to connect using ODBC without having to create that entry in the tnsnames.ora file. I have tried to substitute the DBQ=MyDB.world with the entire (DESCRIPTION=..... string from the original tnsnames.ora file, but it returns the error:
ORA-12154: TNS: Could not resolve the connect identifier specified.
I have heard others are able to use sqlplus with no tnsnames.ora file and the do specify the entire (DESCRIPTION=.... string on the sqlplus connection string, but is this possible to do using the ODBC SQLDriverConnect() function? If so, do I need to use a different keyword/value pair other than DBQ=?
Any help on this would be greatly appreciated.
Thank you.

How would that work in a load balanced configuration? Take a closer look at the tnsnames.ora example I included in my original post. I have 4 ADDRESS= sections to denote 4 servers that are part of the load balanced environment.
Also, I'm not familiar with that syntax, I need to use the syntax supported by the SQLDriverConnect() API function, which looks like this:
DRIVER={Oracle in OraClient10g_home1}; DBQ=MyDB.world; DBA=W; UID=foo; PWD=bar
I don't know as SQLDriverConnect() would accept an alternative syntax. But the more important issue here is the ability to specify those 4 servers in the load balanced configuration as indicated by that tnsnames.ora entry.

Best Practice to configure tnsnames.ora on client of MAA environment in 10g

Hi,
I have a MAA environment, 1 RAC Primary of 2 nodes and 1 RAC standby of 2 nodes too. I want to configure the tnsnames.ora on clients (we have many clients on each PC) and I need to configure the tnsnames.
I have read some papers but the information is not clear regarding to configure the tnsnames on clients. I just want to have only one entrie on tnsnames that I can use on clients to connect to RAC Primary and/or Standby depending on what site is primary in that moment, I was thinking in something like this:
SALES.WORLD =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = site1a)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = site1b)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = site2a)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = site2b)(PORT = 1521))
(LOAD_BALANCE = yes)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = sales.world)
(FAILOVER_MODE =
(TYPE = SELECT)
(METHOD = BASIC)
(RETRIES = 180)
(DELAY = 5)
Where site1 is RAC Primary now, and site2 is standby. But in case of switchover, I want that clients recognize automatically to which site connect.
I was thinking to stop listeners on site that is not primary on that moment.
The question is if this is the best practice on this scenario?.
Thanks for your advice.
Luis

Hi Louis,
you need to setup a service with clusterware. On both sides: primary and standby.
On primary you start them. On standby the services are also configured but stopped.
In case of switchover or failover, data guard will notice clusterware to bring them up.
You need to use this service name in your clients tnsnames.
Another issue are TCP timeouts, to protect against them you use
outbount_connect_timeout in your sqlnet.ora
Also have a look at
http://www.oracle.com/technology/deploy/availability/pdf/MAA_WP_10gR2_SwitchoverFailoverBestPractices.pdf
HTH Mathias

Connecting to Oracle database in Java using TNSNAMES.ora

I have a program that can connect to both MSSQL and Oracle databases. It works fine when a user has defined an odbc connection, however if the user only has a tnsnames.ora, I don't know how to code the program in Java to connect to the database. I can't hard-code the server name because I don't know the database up front - I need to be able to read tnsnames.ora to get the information instead. How can I get this information? So far, the object OracleDataSource seems to be getting me the closest, however I am still failing to connect.

In 10.2, JDBC-Thin supports TNSNAMES entries lookup in tnsnames.ora, resulting in a much simplified and driver type independent Oracle Net descriptor. You must set the system property oracle.net.tns_admin to the directory that contains your tnsnames.ora file.
See the Oracle JDBC 10.2 doc.
Here is a code fragment from my book (see my blog below)
java -Doracle.net.tns_admin=$ORACLE_HOME/network/admin
or:
System.setProperty("oracle.net.tns_admin", "c:\oracle\net\admin");
OracleDataSource ods = new OracleDataSource();
ods.setTNSEntryName("tns_alias");
ods.setUser("scott");
ods.setPassword("tiger");
ods.setDriverType("thin");
Connection conn = ods.getConnection();
Kuassi - blog http://db360.blogspot.com/

Connecting to a database that's not in tnsnames.ora

Hi there,
I'm using Oracle 8.1.6/Apache/PHP & would like to be able to connect to a database that's not listed in the local tnsnames.ora (by local, i mean the machine that's serving the web pages).
Is this possible?
Thanks!

I'm not sure that you can use this in PHP/Apache, but when I used Oracle Enterprise Manager (which isn't ported to Linux so I had to use a different machine (NT/Solaris)) I used the format ipaddress:port:SID (ex.: 192.168.0.5:1521:cddata), where ipaddress is the address of your machine, port is the port number of the listener on the database (defulat is 1521) and SID is the SID of the database you want to access.
I hope this helps.

TNSNAMES.ORA for Oracle database 11.1.0.7

Hi,
Im installed oracle database 11.1.0.7 ,but unable find the TNSNAMES.ORA File.Can any help on this.

Hi,
Which OS is urs ??
Normally it is available in ORACLE_HOME/network/admin.
If it is not there, then
Use NETCA to create those files.
Normally, the Network Configuration Assistant (NETCA) is started at the end of the installation process; however, if NETCA fails or you exit before completing, the tnsnames.ora and the other files will not be created. The tnsnames.ora and the other NETCA created files are not necessary for connecting to the database locally from the server.
Thanks,
Ranjith

Location of tnsnames.ora for Tora and Oracle XE Client

I Googled far and wide and did not see a CLEAR answer to my question, hopefully this will help others.
I have installed the debian oracle-xe-client and tora packages (tora rebuilt for oracle) on Ubuntu 8.04.
However, I did not know where I was supposed to place the tnsnames.ora file for my databases. I have tried running Tora with the environment variable of TNS_ADMIN set to the file where I placed my tnsnames.ora, however that did not work as Tora did not 'see' the file or its entries apparently. I know this works because I copied it from a Debian Etch box with the client and server installed.
I had even added a 'network/admin' directory structure to the //usr/lib/oracle/xe/app/oracle/product/10.2.0/client (ORACLE_HOME) with the tnsnames.ora but also with no success.
Now for the solution:
Simply remember that TNS_ADMIN points to the directory where the tnsnames.ora is and it will work. :)
I do have a suggestion that both Tora and sqlplus use a config file to set these directory(s) in addition to the overriding ability of the environment variable, TNS_ADMIN as is usually the case with UNIX apps (and thus expected).
Thank you,
Jason

The ODBC Instant Client Readme that is included in the install also indicates that %ORACLE_HOME%/network/admin/tnsnames.ora is the correct default location. What about OCI?

ORA-12545 error after changing the host name as IP address in Tnsnames.ora

HI,
I tried to connect PHP and oracle in Red Hat linux. I got error ORA-12545 after changing the host name as IPAddress in Tnsnames.ora file. In sqlnet.ora file also i have entry for tnsnames in Directory_Path. I struggled so much but i couldnt solve that. Please give me ur valuable suggestions....

12545, 00000, "Connect failed because target host or object does not exist"
// *Cause: The address specified is not valid, or the program being
// connected to does not exist.
// *Action: Ensure the ADDRESS parameters have been entered correctly; the
// most likely incorrect parameter is the node name. Ensure that the
// executable for the server exists (perhaps "oracle" is missing.)
// If the protocol is TCP/IP, edit the TNSNAMES.ORA file to change the
// host name to a numeric IP address and try again.
Seems you specified wrong IP address.

How to deactivate an entry in tnsnames.ora file

Hi all,
I am working with Oracle 10g enterprise edition. I have a data source named with DEVDATA which should not be affected while I am working on my project. Usually, I will add DEVDATA entry in tnsname.ora file if I want to use it and I will remove that entry from tnsnames.ora file in order to protect that data source. It is very laborious process each time when I want to add or remove that entry. Do we have any mean such a way that I can switch between the two options. Currently, I have a desktop shortcut to tnsnames.ora file so that I can add or remove that entry when ever I want. Can we comment out that entry. Please suggest me.
I hope this is the right place to fire this question. If not, direct me. Thanks in advance.
Regards,
Kumar.

[email protected] wrote:
Hi all,
Thanks for your replays. As you said we can comment out lines with '#'. But, I am looking for commenting whole entry at a time. Can any one tell me how to comment out whole entry/paragraph. Is there any oracle utility by which we can deactivate the data source. Please suggest. Thank you.
Regards,
Kumar.As others have said, either comment out each line of the entry, or have two tnsnames files that you rename as needed. But really, how often do you make the swap that commenting/uncommenting about five lines of code is such a burden?

Getting host, port from the tnsnames.ora with the service name

Hi.
I think that I asked a similar question yesterday. I want to ask if there is a way to get host and port from the tnsnames.org with a given service name. Somebody answered it for getting SID in the sqlplus. so I tried it in a similar way, but it didn't work.
I have a service name, but I don't know how to get host and port. I know that I can parse the tnsnames.ora file to get it, but if possible, I want to use the more official and safe way.
I'd appreciated if somebody knows it.

caesarkim wrote:
Hi.
I think that I asked a similar question yesterday. I want to ask if there is a way to get host and port from the tnsnames.org with a given service name. Somebody answered it for getting SID in the sqlplus. so I tried it in a similar way, but it didn't work.
I have a service name, but I don't know how to get host and port. I know that I can parse the tnsnames.ora file to get it, but if possible, I want to use the more official and safe way.
I'd appreciated if somebody knows it.Oracle RDBMS does not require SQL*Net to operate.
Oracle RDBMS does NOT now or care about content of any tnsnames.ora file.
Realize that each (remote) user can have their own personalized copy of tnsnames.ora
The content of tnsnames not NOT have to reflect any reality.
I could post the content of my tnsnames.ora & it would be useless to everyone reading.

TNsNAMES.ORA

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