# Oracle requirements

* A VM or physical machine with 2 cores or more, 8GB RAM or more, an OS >Windows 2008R2 (not necessarily the server type), 32 or 64 bits.

* The installation must be performed with an administrator profile on this machine.

* Install the Oracle server. Supported versions are above Oracle 10g.

  During the installation, note down the Oracle system identifier (SID) value. You will need it a later step.

  ![](https://help.qlik.com/talend/en-US/change-data-capture-installation-guide/Resources/images/tcdc-oracle-server-install-SID.png)

* For the installation in ODBC, the ODBC Oracle driver needs to be installed.

* Install the Oracle client with the 32-bit ODBC driver.

  Information noteNote: Make sure you do not install Oracle Instant Client only.

* Go to Oracle\_Home\network\admin and copy listener.ora, sqlnet.ora and tnsnames.ora files. Paste them in

  <ClientPath>\product\19.0.0\client\_1\network\admin folder.

  In tnsnames.ora file, make sure the Oracle system identifier (SID) field corresponds to the value declared during the Oracle server installation.

### In this section

* [Rights to grant in order to capture the Oracle source](https://help.qlik.com/talend/en-US/change-data-capture-installation-guide/7.3/requirements-to-capture-the-oracle-source)