#Oracle client 12.1.0 install

Tnsnames.ora file located in $ORACLE_HOME /network/admin You can set the connect string to an empty connect string (''), and then set the TWO_TASK environment variable to one of the following values:ДЄ direct address, as described under 'Specifying a Connection by Using the Easy Connect Naming Method'ДЄ tnsnames.ora entry and TNS_ADMIN is set to the location of tnsnames.ora Place the tnsnames.ora file in the $ORACLE_HOME /network/admin directory, and ensure that the ORACLE_HOME environment has been set to this Oracle home.Д¤.2.3.3 Specifying a Connection Using an Empty Connect String and TWO_TASK On each client computer, configure either of the following settings: In the Summary screen, click Install, click Exit, and then click Yes to exit Oracle Universal Installer. In the Available Product Components screen, select Oracle Net Listener.

#Oracle client 12.1.0 install

To install Oracle Net Configuration Assistant: You can create the tnsnames.ora file manually by copying and modifying a version of this file from another Oracle installation, or you can use Oracle Net Configuration Assistant to create and manage it for you. However, to shield users from having to specify actual host names and port numbers, consider using a tnsnames.ora file to set the Client-to-Oracle Database connection. '(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp) (HOST=shobeen) (PORT=1521))Д¤.2.3.2 Specifying a Connection by Configuring a tnsnames.ora FileД«y default, when you install Instant Client, Oracle Universal Installer does not include a sample tnsnames.ora file nor the Oracle Net Configuration Assistant utility normally used to create it. For example, the following formats in the OCIServerAttach() call specify the connection information:ДЄlternatively, you can specify the SQL connect information as an Oracle Net keyword-value pair. Sqlplus in the application code, you can use Oracle Call Interface net naming methods to create the Instant Client-to-Oracle Database connection. However, the application users must specify the host name and port number when they want to log in to the application.ДЇor example, if you run SQL*Plus on the client computer and want to connect to the sales_us database, which is located on a server whose host name is shobeen and port number is 1521, then you can log in as follows: This method is convenient as you do not have to create and manage a tnsnames.ora file. You can specify a connection address to an Oracle Database directly from a client application, without having to configure a tnsnames setting for the Instant Client. Set the TNS_ADMIN environment variable and set the TWO_TASK environment variable to specify a service name from the tnsnames.ora file.Д¤.2.3.1 Specifying a Connection by Using the Easy Connect Naming Method Set the TNS_ADMIN environment variable to specify the location of the tnsnames.ora file and specify a service name from that file. Specify a SQL connect URL string using the following format: Use one of the following methods to specify database connection information for the client application: For the Instant Client installation type, this directory is the Oracle home directory that you specified during the installation, for example: Set the appropriate shared library path environment variable for the platform to specify the directory that contains the Instant Client libraries. If you installed the Instant Client installation type, you can configure users' environments to enable dynamically linked client applications to connect to a database as follows: