Database Management Systems

Part 1: Selection and Yes/No questions (75%, 3 points for each question)

  1. A collection of facts and figures is known to be as:
    A. Data
    B. Database
    C. Sequenced data
    D. Structured data
  2. Logical structure of the database can be depicted through its
    A. Domain
    B. Data model
    C. Architecture
    D. Schemas
  3. A database architecture that is considered highly modifiable is known as
    A. ER database architecture
    B. Object based architecture
    C. 1 tier architecture
    D. Multi-tier architecture
  4. A tier in which the database resides along with the query processing languages is called
    A. Application tier
    B. Data tier
    C. Presentation tier
    D. Model tier
  5. Type data abstraction which allows the conceptual representation of data in database management system is considered as
    A. logical design model
    B. data model
    C. interface model
    D. user friendly model
  6. Identification, aggregation and instantiation are abstraction concepts used in
    A. intension and extension models
    B. classes and nodes models
    C. concrete models
    D. semantic data models
  7. Process of abstraction in which the objects and classes are identified with some kind of identifier is classified as
    A. classification
    B. instantiation
    C. identification
    D. exception abstract
  8. Application server in a three-tier architecture, communicates with a database system to access
    A. Data
    B. Query