Upgrading from previous versions

.. toctree::
   :maxdepth: 2


   upgrade-from-4.4-to-5
   upgrade-from-4.3-to-4.4
   upgrade-from-4.2-to-4.3
   upgrade-from-4.x-to-4.2
   upgrade-from-nada3
   migrate-mysql-to-sqlsrv