Can I connect to Oracle without Tnsnames?

The easy way to connect to oracle without tnsnames. ora is using EZCONNECT or you can say Oracl’ easy connect naming method. We can connect to oracle database across TCP/IP network. We can connect to oracle using connect descriptor or connection string you can say that as connect identifier.

Table of Contents

How does ODBC connect to Oracle database?

Configuring an Oracle ODBC Data Source Name

In the Windows Control Panel, double-click Administrative Tools.
Double-click Data Sources (ODBC).
Select the System DSN tab and click Add.
Select an appropriate Oracle driver and click Finish.
Specify the following information in the Oracle ODBC Driver Configuration window:

Does ODBC require Oracle client?

Instant Client ODBC requires the Oracle Instant Client Basic or Basic Light package (depending on your locale requirements) also be installed. Download the desired package from OTN for your operating system and follow the installation instructions on the download page.

What is TNS service name in ODBC?

Create a TNS (Transparent Network Substrate) Service Name (also called a Net Service Name) on a computer where an Oracle client is installed if the Tivoli Data Warehouse exists on a remote Oracle server. The TNS Service name is needed to create an ODBC connection between the client and the server.

How can I connect to database without entry TNS?

How to connect sqlplus without tnsnames. ora

1) EZCONNECT. EZCONNECT is Oracle’s easy connect naming method.
Syntax of EZCONNECT: sqlplus username/password@[//]host[:port][/service_name]
Example:
Example:
2) TNS Connect String.
Syntax of TNS Connect String.
Example.
Related Posts.

What is Tnsnames Ora used for?

The tnsnames. ora file is a configuration file that contains network service names mapped to connect descriptors for the local naming method, or net service names mapped to listener protocol addresses. A net service name is an alias mapped to a database network address contained in a connect descriptor.

What is ODBC driver for Oracle?

The ODBC Driver for Oracle enables an application to access data in an Oracle database through the ODBC interface. The driver can access local Oracle databases or it can communicate with the network through SQL*Net.

How do I install Oracle ODBC drivers?

Setup ODBC [top]

Setup the Oracle instant client OCI drivers:
Install the latest Oracle ODBC drivers:
Open the 64 bit ODBC Administrator:
Open the System DSN tab and click Add:
Choose the latest Oracle ODBC driver and click Finish:
Enter the ODBC credentials:
Test the data source connection:

How do I test Microsoft ODBC for Oracle connection?

Start the ODBC test utility by selecting Start > Programs > Oracle > Network Administration > Oracle ODBC Test or by searching your system for the file ODBCTST. EXE and double clicking on the file. Click on the CONNECT button displayed by the ODBC Test utility.

How do I add ODBC data source in Windows 10?

Step-by-step ODBC Data Source Setup in Windows 10

Press Windows + R to open the Run dialog.
Type in odbcad32 and click OK.
In the ODBC Data Source Administrator dialog box, select the System DSN or User DSN tab.
Click Add.
Locate the necessary driver in the list and click Finish.

How do I find my TNS server name?

By default, the tnsnames. ora file is located in the ORACLE_HOME/network/admin directory. Oracle Net will check the other directories for the configuration file. For example, the order checking the tnsnames.

How do I configure ODBC?

Add an ODBC data source

Click Start, and then click Control Panel.
In the Control Panel, double-click Administrative Tools.
In the Administrative Tools dialog box, double-click Data Sources (ODBC).
Click User DSN, System DSN, or File DSN, depending on the type of data source you want to add.
Click Add.

Where is Tnsnames Ora file located?

ORACLE_HOME/network/admin directory

By default, the tnsnames. ora file is located in the ORACLE_HOME/network/admin directory.

How do I manually create Tnsnames Ora?

Procedure

FTP the following file from your Oracle server:
Add the following lines:
Replace the string yourhost in the line (HOST = yourhost ) with the name of your Oracle server.
(optional) Replace the default port number 1521 in the line (PORT = 1521 ) with your required port number.
Write and quit the file.

How do I find my TNS details?

How do I know if ODBC driver is installed?

Open the Windows Control Panel. Open the Administrative Tools folder. Double-click Data Sources (ODBC) to open the ODBC Data Source Administrator window. Click the Drivers tab and locate the SQL Server entry in the list of ODBC drivers to confirm that the driver is installed on your system.

How can I tell if ODBC is working?

How to Test ODBC System’s DSN

Click the Windows “Start” button and then click “Control Panel.” Click “System and Security.” Click “Administrative Tools” in the list of utilities.
Click the DSN you want to test.
Click the “Test Connection” button.

How do I set up an ODBC connection?

Where is the ODBC connections stored?

On Windows 64-bit OS, 32-bit AND 64-bit USER ODBC data sources are stored in the registry under HKEY_CURRENT_USER\Software\ODBC\ODBC. INI. 64-bit SYSTEM ODBC data sources are stored in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\ODBC\ODBC.

How do I know if ODBC driver is installed on Windows?

Where is Oracle TNS file location?

How do I install Oracle ODBC Drivers?

How do I enable ODBC driver?

Go to Start > Settings > Control Panel.
Open the ODBC icon.
The User DSN tab appears. Click Add.
The Create New Data Source window appears. Select the appropriate driver and click Finish.
The Data Source Setup window appears for that driver.
Click Select.
The Select Database window opens.
Click OK.

Can’t find Tnsnames Ora file?

If you have run NETCA and cannot locate the tnsnames. ora file, check to see if the tns_admin parameter has been set to specify a different directory. If you have not run NETCA, do so to create the tnsnames. ora file.

Can I connect to Oracle without Tnsnames?