RSINFOMINDS: 10 Jun 2014

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Tuesday 10 June 2014

How To Connect To Oracle11g Running on Linux VM using Toad : Part II

TNSNames ?????

This tnsnames.ora file is a configuration file that contains net service names mapped to connect descriptors for the local naming method, or net service names mapped to listener protocol addresses.

ORCL =

(DESCRIPTION =

(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.183.148)(PORT = 1521))

(CONNECT_DATA =

(SERVER = DEDICATED)

(SERVICE_NAME = orcl.cluster.com)

)

Host could be your server running 11g name or the IP.

Make sure the port is opened on the server.

Now Open Toad and connect with the user ID:

How To Connect To Oracle11g Running on Linux VM using Toad : Part I

1) First we need to install oracle11g Client.

During the installation make sure you select "Run Installer".

Proceed with the installation.

2) Download Toad for Windows and do the installation.

Now login to the oracle11g server and copy the contents of “tnsnames.ora” to the below location on the windows where the oracle11g Client is installed.

/u01/app/oracle/product/11.2.0/db_1/network/admin/tnsnames.ora

Create A Boot Partition In Linux

We need to use fdisk utility to create a boot partition.

Using the flag "a" we can toogle between "Boot Flag" Enable and Disable.

Oracle Listener Stop/Start/Status

[oracle@node1 ~]$ lsnrctl start

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 10-JUN-2014 10:12:57

Copyright (c) 1991, 2009, Oracle. All rights reserved.

Starting /u01/app/oracle/product/11.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 11.2.0.1.0 - Production
System parameter file is /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/diag/tnslsnr/node1/listener/alert/log.xml
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1.oracle.com)(PORT=1521)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.1.0 - Production
Start Date 10-JUN-2014 10:12:57
Uptime 0 days 0 hr. 0 min. 0 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/db_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/node1/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=EXTPROC1521)))
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=node1.oracle.com)(PORT=1521)))
The listener supports no services
The command completed successfully
[oracle@node1 ~]$

Command to start the Listener.

[oracle@node1 ~]$ lsnrctl stop

LSNRCTL for Linux: Version 11.2.0.1.0 - Production on 10-JUN-2014 10:12:27

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))

The command completed successfully

[oracle@node1 ~]$

Connect To Oracle11g

[oracle@node1 ~]$ sqlplus

SQL*Plus: Release 11.2.0.1.0 Production on Tue Jun 10 10:11:06 2014

Copyright (c) 1982, 2009, Oracle. All rights reserved.

Enter user-name: sys as sysdba
Enter password:

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL>

sqlplus is the wizard to connect to ORACLE DBA.

Every DBA will have a base table.

SQL> select name from v$database;

NAME

---------

ORCL

SQL>

ORCL is the name of the Base Table.