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Does SQL Developer need Tnsnames?

Does SQL Developer need Tnsnames?

Tnsnames. ora [DOCS] is a configuration file for SQL*Net that describes the network service names for the databases in your organization. There’s only a single prerequisite for having SQL Developer setup such that it can use TNSNAMES to connect: You have somewhere a tnsnames.

Where can I find the Tnsnames Ora file?

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

What are TNS files?

The tnsnames.ora file is a configuration file that defines connection parameters for your Oracle database instance. By default, tnsnames.ora resides in the following location: Solaris. Oracle_HOME/network/admin. Windows.

What is Oracle Tnsnames?

A TNS (Transparent Network Substrate) name is the name of the entry in tnsnames.ora file which is kept in $ORACLE_HOME/network/admin. This file contains the information which is used by the system to connect to oracle database. Using this a client can fetch server associated information transparently.

What are Tnsnames in Oracle?

ORA is a SQL*Net configuration file that defines databases addresses for establishing connections to them. This file normally resides in the ORACLE HOME\NETWORK\ADMIN directory, but location can be defined by the TNS_ADMIN environment variable.

How do I run Tnsnames Ora file?

Specifying a Connection by Configuring a tnsnames. ora File

  1. Run Oracle Universal Installer.
  2. Select the Custom installation type.
  3. In the Available Product Components list, select Oracle Network Utilities and click Next.
  4. In the Summary window, click Install, then click Exit and Yes to exit Oracle Universal Installer.

How do I list tnsnames?

Logon as Administrator.

  • Click Start > Settings > Control Panel
  • Double click the SYSTEM icon
  • From System Properties,select Environment tab.
  • Highlight OS in the list of Systems Variables In the Variable field you should see: OS and in the Value field,the value: Windows_NT
  • Change the Variable from OS to TNS_ADMIN.

    • How do I install SQL Developer?

    Install the screen reader,if it is not already installed.

  • Install SQL Developer.
  • If you are using Java J2SE 1.6.0_24 or higher but before Java 7 Update 6,go to If You Need to Install Java Access Bridge and follow the instructions there.
  • Start your screen reader.

    • Where to find tnsnames?

    net_service_name: This is the name that you use for a connection string later. You can choose what this is.

  • host: The IP address or server name where the database lives or that you want to connect to.
  • port: The port that is required for the connection.
  • service_name: This is the name of the database you want to connect to.

    • Is there a better tool compared to Oracle SQL Developer?

    The power and control it gives is at the same time kind of a negative thing. There’s too many options available,even when you don’t need them.

  • Related with the above: there is a steep learning curve.
  • If I remember well,Toad used to be free,some 20 years ago.

    • Posted in Blog