1- What is Oracle Client?
If you have 2 computers
A and
B. Computer
B is installed
Oracle Database. Standing at computer
A, if you want to work with
the
Oracle database at Computer
B, Computer
A needs to be installed
Oracle Client.
Oracle Client is part of
Oracle Database software. It is not a database, but, it helps talk with an
Oracle database.
Note: Oracle Database itself is a Oracle Client.
2- Download Oracle Client
The latest version of
Oracle Client is
12.x, which can work with any different versions of
Oracle Database (10, 11, 12), therefore, you should download this version.
To download the
Oracle Client, visit the following address
Here, you have two choices for downloading such as Oracle Client 32bit or Oracle Client 64bit. If you want to work with the visual tools such as PL/SQL Developer, Toad, .. you should download and install 32bit version.
Here, I will download the
32bit version. Downloading requires you to log in with an account. If you do not have an account, you can register for free.
Downloaded results:
3- Installing Oracle Client
Extract the file downloaded in the above step by you.
You have 4 options to install:
Instant Client
This installation type installs only the shared libraries required by
Oracle Call Interface applications that use the
Instant Client feature. It requires much less disk space than the other
Oracle Client installation types.
Note: If you select Instant Client install type, then you cannot apply software updates during the installation session. To download and apply the latest software updates, you must select Administrator, Runtime, or Custom install type.
Administrator
This installation type installs the
Oracle Enterprise Manager Standalone Console, Oracle networking services, and client software that enables applications or individuals to connect to an
Oracle database. It also installs development tools that you can use to develop applications.
Runtime
This installation type installs a limited number of components for a database application user. With the exception of
Oracle Enterprise Manager Standalone Console, it installs the same components as the Administrator installation type.
Custom
This installation type allows you to select the client applications and utilities that you want to install.
Enter:
- Oracle base: C:/oracleclient_12
OK,
Oracle Client has been installed successfully.
4- Configuring TNSNAME
tnsping
# tnsping server-host:1521/sid-id# Example:tnsping 192.168.13.129:1521/db12c |
To be able to connect to a database located in another computer, you need to configure
TNSNAME. Create a file named
tnsnames.ora located in the folder:
- C:\oracleclient_12\product\12.2.0\client_1\network\admin
tnsnames.ora
YOUR_DB_ALIAS = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = your_server_ip )(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = db12c) ) ) |
