Database Management System20795 marksThree-schema architecture layers
What are the three layers of the Three-Schema Architecture? Explain.
What are the three layers of the Three-Schema Architecture? Explain. [5]
The Three-Schema Architecture (also called the ANSI/SPARC architecture) is a framework for database systems that separates the user's view of the database from the physical storage of data. It defines three levels of abstraction to achieve data independence. --- - This is the lowest level of abst...