Components of DBMS are broadly classified as follows :
1. Query Processor :
(a) DML Compiler
(b) Embedded DML pre-compiler
(c) DDL Interpreter
(d) Query Evaluation Engine
(b) Embedded DML pre-compiler
(c) DDL Interpreter
(d) Query Evaluation Engine
2. Storage Manager :
(a) Authorization and Integrity Manager
(b) Transaction Manager
(c) File Manager
(d) Buffer Manager
(b) Transaction Manager
(c) File Manager
(d) Buffer Manager
3. Data Structure :
(a) Data Files
(b) Data Dictionary
(c) Indices
(d) Statistical Data
(b) Data Dictionary
(c) Indices
(d) Statistical Data