Why does an application need a database?

Question

If your application's conceptual model is going to have many different entities and different relations between them then the database will help you much, especially if you need to make various queries to your data. I think SQLite is ideal for the application like you described. 16 дек. 2011 г.

Can we have application without database?

Databases can be great and wonderful and exceptionally useful. It's just that it has become the default position, when in fact there are a lot of applications where a big, separate database isn't necessarily needed.

How do applications connect to database?

Applications get a database connection from a connection pool by looking up a data source using the Java Naming and Directory Interface (JNDI) and then requesting a connection. The connection pool associated with the data source provides the connection for the application.

Do applications have databases?

The Mobile Computing Model. Mobile apps use databases for much the same reasons desktop and web applications do. Databases allow you to store data in a secure place so you can access it later. However, apps cannot directly use external databases to store this data.

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