Computer Knowledge

Database Management Systems

5,543 Questions

Database Management Systems (DBMS) form the core framework for data storage, retrieval, and security in modern software applications. Concepts such as the E-R model, backup planning, SQL integration, and big data architecture are essential for computer knowledge sections. This hub offers a comprehensive set of practice questions to master DBMS fundamentals and advanced database operations.

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Database Management Systems Questions

Multiple choice
  1. Global schema

  2. Fragmentation schema

  3. Allocation schema

  4. Local mapping schema

  5. Data dictionary

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This schema in a distributed database specifies that the fragments are really the logical portions of the global relation, which are physically dispersed at different sites of the network, and defines at which site a fragment is allocated.