How to create an odbc connection for oracle 11g

What is ODBC connection in Oracle?

An ODBC (Open Database Connectivity) connection allows authorized users to access data in the Enterprise Data Warehouse (EDW) Oracle database using the ODBC enabled software of their choice.

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 test ODBC connection?

  1. Click the Windows “Start” button and then click “Control Panel.” Click “System and Security.” Click “Administrative Tools” in the list of utilities. Double-click the icon labeled “Data Sources (ODBC).” A list of DSNs display.
  2. Click the DSN you want to test.
  3. Click the “Test Connection” button.


Open Database Connectivity (ODBC) is an open standard Application Programming Interface (API) for accessing a database.

How do I find my ODBC driver name?

2 Answers
  1. Click the “Add” button, and select the driver you have installed.
  2. Then click the “Advanced” button.
  3. You can then copy and paste the correct driver name, and cancel out of the ODBC Data Source Administrator app. e.g. DRIVER={PostgreSQL ODBC Driver(UNICODE)}

What is an Oracle client?

The Oracle Client is what connects your applications with your database. Almost all client side applications use it. Generally applications will either use the Oracle Client directly (such as our SQL tool Golden) or will use a connectivity option such as ODBC, OLEDB, .

What is difference between Oracle client and server?

The client runs the database application that accesses database information and interacts with a user through the keyboard, screen, and pointing device, such as a mouse. The server runs the Oracle software and handles the functions required for concurrent, shared data access to an Oracle database.

What is Oracle Client 11g used for?

Oracle Instant Client enables development and deployment of applications that connect to Oracle Database, either on-premise or in the Cloud. The Instant Client libraries provide the necessary network connectivity and advanced data features to make full use of Oracle Database.

What is the difference between Oracle client and instant client?

1 Answer. Oracle client comes with an installer and a lot of executable like sqlplus, tnsping, it’s complete and huge. Oracle Instant client is a basic lightweight client which can be unzipped in a location without any installation, it contains only the communication layer to be able to connect to oracle.

Is Oracle Instant Client free?

Free, light-weight, and easily installed Oracle Database tools, libraries and SDKs. Oracle Instant Client enables development and deployment of applications that connect to Oracle Database, either on-premise or in the Cloud.

How do I know if Oracle Instant Client is working?

Go to a different directory from the one on which you installed Oracle’s Instant Client and enter the following command: sqlplus scott@bigdb/tiger select user from dual; If this test is successful, you are ready to use the run-time.

How do I connect to Oracle Instant Client?

1 Connecting Instant Client or Instant Client Light to an Oracle Database. Set the TNS_ADMIN environment variable to specify the location of the tnsnames. ora file and specify a service name from that file. Set the TNS_ADMIN and the TWO_TASK environment variables to specify a service name from the tnsnames.

How do I connect to Oracle?

To connect to Oracle Database from SQL*Plus:
  1. If you are on a Windows system, display a Windows command prompt.
  2. At the command prompt, type sqlplus and press the key Enter. SQL*Plus starts and prompts you for your user name.
  3. Type your user name and press the key Enter.
  4. Type your password and press the key Enter.

Does Oracle Instant Client include ODBC?

Oracle’s Instant Client ODBC software is a standalone package that offers the full functionality of the Oracle ODBC driver (except the Oracle service for Microsoft Transaction Server) with a simple install.

Does Oracle Instant Client require Java?

Sure. You have to install JDK current version. You may also have to install ODAC to run ORACLE in Windows.

What are the system requirements for Oracle 11g?

Oracle software may not run on systems that do not meet these requirements (see Important Note below).
  • AMD Opteron, Intel Pentium® at 500 MHz or faster, or Intel EM64T.
  • Minimum 500 MB free disk space for installation, 10 GB recommended.
  • Minimum 1 GB physical memory, 4 GB recommended.

Does Oracle SQL Developer need Oracle client?

You don’t need to have an Oracle Client installed on your machine to use Oracle SQL Developer. Everything you need to connect to Oracle Database is provided by the JDBC driver included with the download. So you can be up and running in usually less than 5 minutes.

What is the difference between Oracle and SQL Developer?

Oracle XE is a database server. SQL Developer is a client. The client (SQL Developer) connects to the database (Oracle XE) in order to allow you to submit queries for the database to run and to format the results that the database returns. Many different client applications can connect to your database.

Can Oracle 11g client connect to 19c database?

The ORA database interface allows you to connect to Oracle 11g/12c/18c/19c servers using Oracle 11g/12c/18c/19c Database Client or Oracle 11g/12c/18c/19c Instant Client. It includes partial support for the XMLType datatype that it maps to the PowerBuilder String datatype.