November 2018
Intermediate to advanced
404 pages
10h 16m
English
The data storage layer is a database-management system that provides access to your Web Service with stored application data. A database server could be a relational database, such as MySQL, SQLite, or PostgreSQL, or a non-relational database, such as MongoDB or CouchDB. There could be multiple databases serving an application, and it will be up to the application layer to decide which database to use.
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