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    • questions. Assignment

      1. What is a Database Management System (DBMS)?
        • A. A collection of interrelated data.
        • B. A collection of programs to access and manage data.
        • C. Both A and B.
        • D. A hardware component for storing files.
      2. Which of the following is NOT a level of data abstraction?
        • A. Physical Level.
        • B. Logical Level.
        • C. View Level.
        • D. Critical Level.
      3. In an Entity-Relationship (ER) Diagram, what does a rectangle represent?
        • A. Attributes.
        • B. Entity sets.
        • C. Relationships.
        • D. Database schema.
      4. Which SQL command is used to remove a table and its data from the database?
        • A. DELETE.
        • B. DROP.
        • C. TRUNCATE.
        • D. REMOVE.
      5. What are the "ACID" properties of a transaction?
        • A. Atomicity, Consistency, Isolation, Durability.
        • B. Access, Control, Integrity, Data.
        • C. Atomicity, Concurrency, Isolation, Database.
        • D. Automatically, Concurrency, Isolation, Durability
       
       
    • discussion topic Forum

      why is a database management system important in organizations compared to using traditional file systems?

Available courses

OPERATING SYSTEM

This course introduces learners to the fundamental concepts of operating systems, including their structure, functions, and role in managing computer hardware and software resources. Students will explore topics such as process management, memory management, file systems, device management, and security. Practical sessions will provide hands-on experience with operating system commands and tools, preparing learners to understand, configure, and troubleshoot modern operating systems.

database management