Explain the purpose of the ANSI/SPARC three-level architecture for a Database Management System, and describe its function giving examples to illustrate your points. Detail the components of a Database Management System, explaining in particular the specific functions of the software modules.
What will be an ideal response?
To answer the second part of the question, a diagram would be useful. It may show the whole
environment – users, DBMS software (expanded), data, and implicit hardware. The emphasis is
on the DBMS modules, which need to be explained. These include DML precompiler, Query
processor, DDL compiler, Database manager, and Data dictionary. The explanation should
include how modules interact with others.
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Fill in the blank(s) with the appropriate word(s).
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