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DBMS Siftware Archtitecture - Coggle Diagram

- - - - SQL parser
      - Query Optimizer
      - Execution enginer
    - - Recovery Manager
      - Commit / Rollback
      - Concurrency Control
    - - Buffer Manager
      - Index Manager*
      - File Manager
      - Authorization Manager
    - - Tables
      - Records
      - Indexes
      - Data Files
    - - Fetch Records*
      - Apply Conditions
      - Sort / Filter
      - Generate Result
    - - Display Result
      - Report
      - Success /Error