Add documentation for ODBC connections (#91)

* Add documentation for ODBC connections.

* Fix syntax and Copyright

Author: cmarmo

docs/environment.yml

@@ -6,3 +6,5 @@ channels:
 dependencies:
   - breathe
   - sphinx_rtd_theme
+  - pip:
+    - sphinx-tabs

docs/source/ODBC.rst

@@ -1,4 +1,5 @@
 .. Copyright (c) 2020, Mariana Meireles
+                 2025, Chiara Marmo
 
    Distributed under the terms of the BSD 3-Clause License.
 
@@ -7,4 +8,64 @@
 ODBC
 ====
 
-We're missing this part of the docs. If you've used ``xeus-sql`` in this context and would like to help, please feel free to open a PR! :)
+Linux
+-----
+
+Installation
+************
+
+For now `soci-odbc` is not available from ``conda-forge``.
+The package is available under different names depending on your Linux distribution.
+
+For example:
+
+.. tabs::
+
+   .. group-tab:: Fedora 64bit
+
+      .. code-block:: bash
+
+         sudo dnf install libaio.x86_64 soci.x86_64 soci-odbc.x86_64
+
+   .. group-tab:: Ubuntu 64bit
+
+      .. code-block:: bash
+
+         sudo apt-get install libaio-dev libsoci-core4.0 libsoci-odbc4.0
+
+Then from conda
+
+.. code::
+
+    conda install xeus-sql jupyterlab -c conda-forge
+
+Usage
+*****
+
+To use the ODBC driver from inside a notebook you need to connect to the compatible database with the
+```LOAD``` magic and the related driver.
+
+For example:
+
+.. tabs::
+
+   .. group-tab:: PostGreSQL (to be tested)
+
+      Once the `PostGreSQL driver <https://odbc.postgresql.org/>`_ installed
+
+      .. code-block:: bash
+
+         %LOAD odbc DRIVER=<path to the pgsql driver>;DBQ=<hostname>:<port>/<database>;UID=<user>;PWD=<password>
+
+   .. group-tab:: Oracle
+
+      Once the `Oracle driver <https://github.com/mkleehammer/pyodbc/wiki/Connecting-to-Oracle-from-RHEL-or-Centos#install-the-oracle-instant-client-odbc-driver-for-linux>`_ installed
+
+      .. code-block:: bash
+
+         %LOAD odbc DRIVER=<path to the oracle driver>;DBQ=<hostname>:<port>/<SID>;UID=<user>;PWD=<password>
+
+      Oracle does not distribute debian based packages but the driver can be installed on any Linux distribution via the
+      `available zip archives <https://www.oracle.com/europe/database/technologies/instant-client/linux-x86-64-downloads.html>`_.
+
+.. _documentation: http://soci.sourceforge.net/doc/release/4.0/backends/odbc/

docs/source/conf.py

@@ -22,7 +22,7 @@
 def setup(app):
     app.add_css_file("main_stylesheet.css")
 
-extensions = ['breathe', 'sphinx_rtd_theme']
+extensions = ['breathe', 'sphinx_rtd_theme', 'sphinx_tabs.tabs']
 breathe_projects = { 'xeus-sql': '../xml' }
 templates_path = ['_templates']
 source_suffix = '.rst'