Persisting data in a web application usually means the involvement of a structured query language (SQL) database to handle the structure and relationships of data. This approach, for many applications, provides a common answer to the modeling of application data and their relationships to each other. However, the nature of data in SQL databases is one of highly-structured schemas with clearly defined field types. In contrast to the flexible, semi-structured objects of JavaScript, this approach can sometimes make it burdensome to work with data structures between the web server and database.
The relationship of the data between the application and SQL databases is managed by serialization and deserialization between the database structures and the web server's model. The gap between what the data is when it's in the database and what it's transformed...
