Database Systems MCQs (Computer Science) From Textbook

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Database Systems Exam MCQs – Practice Test 4 (Chapter 4)

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The MCQ: The structure of the primary key for the relationship set depends on the; "Database Design and ER Model Notes" App APK Download with answers: roles, entity sets, mapping cardinalities, and mapping expression for online computer engineering classes. Practice Application Security Quiz Questions, download Kobo e-Book (Free Chapter) for online computer engineering classes.

Database Design and ER Model MCQs – Practice Test 4 PDF Download

MCQ: 16

The structure of the primary key for the relationship set depends on the

  1. Entity sets
  2. Roles
  3. Mapping cardinalities
  4. Mapping expression
MCQ: 17

The initial phase of database design is to

  1. Choosing data model
  2. Conceptual design
  3. Characterize data needs
  4. Conceptual schema
MCQ: 18

In generalization, the constraint in which membership is evaluated on the basis of an explicit predicate, is known as

  1. User-defined
  2. System-defined
  3. Condition-defined
  4. Data-defined
MCQ: 19

For performance calculations of an efficient database system, the main metrics is/are of type(s)

  1. 1 type
  2. 2 types
  3. 3 types
  4. 4 types
MCQ: 20

The UML diagram that specifies the sequences/ steps of operations to be performed

  1. Class diagram
  2. Use case diagram
  3. Activity diagram
  4. E-R diagram

Database Design and ER Model Exam Prep – Database Systems App & e-Book Notes

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