Request to add open source dbs to reservations page

Author: rachel-msft

articles/cost-management-billing/reservations/prepare-buy-reservation.md

@@ -5,7 +5,7 @@ author: bandersmsft
 ms.reviewer: yashar
 ms.service: cost-management-billing
 ms.topic: conceptual
-ms.date: 04/30/2020
+ms.date: 05/04/2020
 ms.author: banders
 ---
 
@@ -68,6 +68,9 @@ You can purchase reservations from Azure portal, APIs, PowerShell, CLI. Read the
 - [Software plans](../../virtual-machines/linux/prepay-suse-software-charges.md)
 - [Storage](../../storage/blobs/storage-blob-reserved-capacity.md)
 - [SQL Database](../../sql-database/sql-database-reserved-capacity.md)
+- [Azure Database for PostgreSQL](../../postgresql/concept-reserved-pricing.md)
+- [Azure Database for MySQL](../../mysql/concept-reserved-pricing.md)
+- [Azure Database for MariaDB](../../mariadb/concept-reserved-pricing.md)
 - [Azure Synapse Analytics](prepay-sql-data-warehouse-charges.md)
 - [Virtual machines](../../virtual-machines/windows/prepay-reserved-vm-instances.md)
 

articles/cost-management-billing/reservations/toc.yml

@@ -36,6 +36,12 @@
       href: ../../storage/blobs/storage-blob-reserved-capacity.md?toc=/azure/cost-management-billing/reservations/toc.json
     - name: SQL Database
       href: ../../sql-database/sql-database-reserved-capacity.md?toc=/azure/cost-management-billing/reservations/toc.json
+    - name: Azure Database for PostgreSQL
+      href: ../../postgresql/concept-reserved-pricing.md?toc=/azure/cost-management-billing/reservations/toc.json
+    - name: Azure Database for MySQL
+      href: ../../mysql/concept-reserved-pricing.md?toc=/azure/cost-management-billing/reservations/toc.json
+    - name: Azure Database for MariaDB
+      href: ../../mariadb/concept-reserved-pricing.md?toc=/azure/cost-management-billing/reservations/toc.json
     - name: Azure Synapse Analytics
       href: prepay-sql-data-warehouse-charges.md
     - name: Virtual machines