Database Management System MCQs Set-6

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  1. 1. A primary key if combined with a foreign key creates
    • Parent-Child relationship between the tables that connect them.
    • Many to many relationship between the tables that connect them.
    • Network model between the tables that connect them.
    • None of the above.
  2. 2. In E-R Diagram relationship type is represented by
    • Ellipse
    • Dashed ellipse
    • Rectangle
    • Diamond
  3. 3. Hierarchical model is also called
    • Tree structure
    • Plex Structure
    • Normalize Structure
    • Table Structure
  4. 4. In E-R diagram generalization is represented by
    • Ellipse
    • Dashed ellipse
    • Rectangle
    • Triangle
  5. 5. _________ is a virtual table that draws its data from the result of an SQL SELECT statement.
    • View
    • Synonym
    • Sequence
    • TrAnsaction

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