DOCSP-43831-DB2-and-Sybase-database-support (#175)

* DOCSP-43831-DB2-and-Sybase-database-support

* Fixing external link.

* Adding supported version info for DB2.

* Fixing typo.

Author: mmaville-mdb

source/getting-started/supported-databases.txt

@@ -38,28 +38,34 @@ Relational Migrator supports the following source databases:
      - Supported Versions 
      - Deployments 
 
-   * - Oracle 
+   * - :ref:`Oracle <rm-prereq-oracle>`
      - 11g and higher
      - Self hosted, AWS RDS
 
-   * - Microsoft SQL Server
+   * - :ref:`Microsoft SQL Server <rm-prereq-sqlserver>`
      - 2012 and higher (Enterprise or Developer edition required for
        versions before 2016)
      - Self hosted, AWS RDS, Azure SQL Database
 
-   * - PostgreSQL [1]_
+   * - :ref:`PostgreSQL <rm-prereq-postgres>`
      - 10 and higher
      - Self hosted, AWS RDS/Aurora, Azure Database
 
-   * - MySQL
+   * - `TimescaleDB hypertables <https://docs.timescale.com/use-timescale/latest/hypertables/>`__
+     - 10 and higher
+     - Self hosted, AWS RDS/Aurora, Azure Database
+
+   * - :ref:`MySQL <rm-prereq-mysql>`
      - 5.7 and higher
      - Self hosted, AWS RDS/Aurora, Azure Database
 
-   * - Sybase ASE
+   * - :ref:`Sybase ASE <rm-prereq-sybase>` (Public Preview)
      - 15 and higher (Sybase IQ not supported)
      - Self hosted
 
-.. [1] `TimescaleDB hypertables <https://docs.timescale.com/use-timescale/latest/hypertables/>`__ are supported for PostgreSQL. 
+   * - :ref:`DB2 <rm-prereq-db2>` (Public Preview)
+     - 11.5 and higher
+     - Self hosted, AWS RDS 
 
 MongoDB Databases and Versions
 ------------------------------