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Database Systems Certification Exam Tests

Database Systems Practice Test 220

Entity Relationship Diagrams Multiple Choice Questions (MCQs) PDF Download - 220

The Entity Relationship Diagrams MCQ with Answers PDF (Entity Relationship Diagrams Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 4-220 to prepare Database Systems Practice Tests. Learn Database Design and ER Model Test PDF, Entity Relationship Diagrams Multiple Choice Questions (MCQ Quiz) for best online schools for computer science. The Entity Relationship Diagrams MCQ App Download: Free certification app for data storage and querying, bitmap indices, transaction management, physical storage media, entity relationship diagrams test prep to study SQL certification courses.

The MCQ Quiz: In E-R diagrams, the discriminator of a strong entity is underlined with a; "Entity Relationship Diagrams" App (Play Store & App Store) with answers: Dashed line; Double line; Solid line; No line; for best online schools for computer science. Practice Database Design and ER Model Questions and Answers, Apple Book to download free sample for free online classes.

Entity Relationship Diagrams MCQ Quiz with Answers PDF Download: Test 220

MCQ 1096:

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
MCQ 1097:

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
MCQ 1098:

Each transaction is a unit of

  1. Consistency
  2. Atomicity
  3. Durability
  4. Both A and B
MCQ 1099:

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
MCQ 1100:

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

Database Systems Exam Prep Tests

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Entity Relationship Diagrams App (Android & iOS)

Entity Relationship Diagrams App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (iOS & Android)

Microbiology App (Android & iOS)

Microbiology App (Android & iOS)

Basic Business Research App (Android & iOS)

Basic Business Research App (iOS & Android)