title: Azure Storage Table with relations stored in Azure SQL
body: <p>Is it a correct approach to store needed Azure Storage Table relations in Azure SQL database? For example, I may have a system that keeps track of Users and Books that they own. I would keep Users entities and Books entities in Azure Storage Table and the relations (idUser, idBook) in supporting Azure SQL table.</p>
  
  <p>Is it a good approach? What will be the drawbacks of this solution?</p>
  
  <p><strong>EDIT</strong>:
  The motivation to do it is simply to lower cost. I'll need to store a lot of data, so I plan to use Azure Storage Tables, becuase SQL database will be simply to expensive. But in some scenarios I'll need to store relations between objects.</p>