The Sitecore Azure module 3.0 or later automatically creates the Microsoft Azure SQL Databases Service and deploys the default Sitecore Core, Master, and Web databases during deployment.
This article provides a list of techniques that can be used to manually add a custom database to a new deployment using the Sitecore Azure module.
The recommended approach to add a custom database in Sitecore Azure is as follows:
Important: the item name must match the connection string name.
Note: In the \App_Config\ConnectionStrings.config file, the connection string to the Sitecore Web Forms for Marketers database is as follows:
<connectionStrings>
...
<add name="wfm" connectionString="Data Source=.\SQLEXPRESS2014;Initial Catalog=Sitecore_WFM;Integrated Security=False;User ID=sa;Password=12345" />
...
</connectionStrings>