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Entity Relationship Diagrams Quiz Questions and Answers PDF Download eBook - 220

Practice Entity relationship diagrams quiz questions and answers PDF, entity relationship diagrams MCQ with answers to solve data science worksheet 220 with online free courses. Practice Database Design and ER Model quiz questions with answers, entity relationship diagrams Multiple Choice Questions (MCQ) for online DBMS, DBA. Free entity relationship diagrams MCQs, data storage and querying, bitmap indices, transaction management, physical storage media, entity relationship diagrams test prep for computer and information science.

"In E-R diagrams, the discriminator of a strong entity is underlined with a", entity relationship diagrams Multiple Choice Questions (MCQ) with choices dashed line, double line, solid line, and no line for accelerated computer science degree online. Learn database design and er model questions and answers with free online certification courses for bachelor's degree in computer science.

Quiz on Entity Relationship Diagrams PDF Download eBook

Entity Relationship Diagrams Quiz

MCQ: In E-R diagrams, the discriminator of a strong entity is underlined with a

  1. Double line
  2. Dashed line
  3. Solid line
  4. No line

C

Physical Storage Media Quiz

MCQ: For the long-term online storage of data, the primary medium of storage is

  1. Optical storage
  2. Cache
  3. Magnetic-disk storage
  4. Flash memory

C

Transaction Management Quiz

MCQ: Each transaction is a unit of

  1. Consistency
  2. Atomicity
  3. Durability
  4. Both A and B

D

Bitmap Indices Quiz

MCQ: If the sort order of a search key is similar to the sort order of a relation, the search key of the index is called

  1. Clustering index
  2. Primary index
  3. Secondary index
  4. Composite index

A

Data Storage and Querying Quiz

MCQ: The movement of data to and from disk relative to the speed of the central processing unit, is

  1. High
  2. Very High
  3. Slow
  4. Very Slow

C