Solution for free SQL Server in Azure:
Install two nuget: EntityFrame.SqlServerCompact & Microsoft SQL Server Compact Edition
Put your SQL database file (.sdf/.mdf) in APP_Data folder
Now put the connection string just like below, to use it:
<add name ="DefaultConnection" connectionString ="Data Source=|DataDirectory|CompactDB.sdf" providerName ="System.Data.SqlServerCe.4.0" />
Now, publish your whole project and include the above SQL database file to AzureWebsites.
This shall start working and it's totally free.