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تخصصات المستقبل الرقمي

دليل تعريفي لتخصصات الحاسب الآلي والتقنية يهدف إلى استعراض الفروع الرئيسية وتوجيه الطلاب نحو التخصص المناسب.

YAYara Alqwaizani

تخصصات المستقبل الرقمي

دليل تعريفي لتخصصات الحاسب الآلي والتقنية يهدف إلى استعراض الفروع الرئيسية وتوجيه الطلاب نحو التخصص المناسب.

YAYara Alqwaizani
  • Tool Builders: Creating development/modeling tools.
  • Operators & Maintenance: Managing system hardware.
  • 5

    Advantages of DBMS

    المزايا الأساسية والفوائد التنظيمية لـ DBMS

    Redundancy Control (التحكم في التكرار):

    Eliminating duplicate storage across departments.

    Enforcing Constraints (فرض الشروط):

    Maintaining data integrity rules and standards systematically.

    Backup & Recovery (النسخ والاسترجاع):

    Enforcing automatically restored data state from server failures.

    6

    Historical Evolution & Modern Trends

    تطور أنظمة قواعد البيانات وقواعد البيانات الضخمة

    1960s

    Hierarchical & Network models.

    النماذج الهرمية والشبكية

    1970s - 1980s

    Relational model became dominant.

    ظهور النموذج العلائقي المعياري

    1980s - 1990s

    Object-Oriented databases introduced.

    قواعد البيانات كائنية التوجه

    21st Century

    Big Data & NoSQL systems.

    البيانات الضخمة وأنظمة NoSQL

    7

    When NOT to Use a DBMS

    الحالات والمحددات التي لا ينصح فيها بإنشاء نظام إدارة قواعد بيانات معقد

    A. Cost & Overhead Inhibitors:

    High initial investments in hardware and DBMS software license acquisitions. generality, security audits, concurrency control mechanisms, and recovery subsystems generate substantial processing overhead.

    B. Scenarios Where Unnecessary:

    Simple applications with highly static datasets, systems limited to single-user access, embedded systems with highly bounded hardware storage capacity, or applications with strict microsecond real-time latency constraints.

    DBMS 211 Summary Guide • Page 2 of 2 Lenny Learning Instructional Design

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