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Database Systems MCQs – Practice Test 25 (Chapter 4)

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The "Database Design and ER Model MCQs" App Download: When an entity in B, can be associated with any number of entities in A, the cardinality is said to be of type; MCQ with answers: one-to-many, one-to-one, many-to-one, and many-to-many. Solve Database Languages Quiz Questions, download Google e-Book (Free Chapter) to access database modules.

Database Design and ER Model MCQs – Practice Test 25 PDF Download

MCQ 121: The Unified Modeling Language (UML) is a standard developed for creating specifications of various components of a:

  1. Hardware system
  2. Software system
  3. Hardware + Software systems
  4. Customized systems

MCQ 122: When an entity in B, can be associated with any number of entities in A, the cardinality is said to be of type:

  1. One-to-one
  2. One-to-many
  3. Many-to-one
  4. Many-to-many

MCQ 123: An entity is represented by a set of:

  1. Models
  2. Values
  3. Samples
  4. Attributes

MCQ 124: In designing a database schema, we must avoid major pitfalls of type:

  1. 2 types
  2. 3 types
  3. 4 types
  4. 5 types

MCQ 125: Identifying i.e. association of a weak entity set with another entity set, is also called:

  1. Strong entity set
  2. Relational entity set
  3. Owner entity set
  4. Weak entity set

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