This part of the three-layer database architecture concerns itself with how data is stored on a physical computer and how to implement related tasks such as transaction isolation and concurrency ...

This separation becomes the fundamental principle in the three-tier architecture ... to true in order to allow access to the database from remote systems. Like other server dæmons (for example, the ...

Application sharing between a client, middleware and enterprise server Application sharing between a client, application server and enterprise database server.

If a request requires it to perform logic, a Tomcat server may need to interact with a relational database, a NoSQL datastore ... So the typical request flow in a three-tier architecture is to first ...