This article discusses how to better understand databases by organizing them into three schema layers. This layering makes databases more pluggable, secure, extensible and accessible for clients. The ...

The Three Schema Architecture, also known as the ANSI/SPARC architecture, is a conceptual framework that defines the three levels of abstraction in a Database Management System (DBMS). It provides a ...

Objective: Create clear, comprehensive, and well-structured documentation for the provided database schema, including descriptions of tables, columns, relationships ...

A specific challenge that federated database systems face is the organization of schemas into a schema architecture. This paper provides a detailed, formal investigation of variability in the family ...