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Database Systems Study Material: Mock Test 242

Modification of Database MCQs (Multiple Choice Questions) PDF Download - 242

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The Modification of Database Multiple Choice Questions (MCQ) with Answers PDF (Modification of Database MCQs PDF e-Book) download Ch. 15-242 to study Database Systems Practice Tests. Study Introduction to SQL quiz answers PDF, Modification of Database Multiple Choice Questions (MCQ Quiz) to study distance learning courses. The Modification of Database MCQ App Download: Free Database Systems App to study overview of storage structure, algebra operations in dbms, entity relationship diagrams, multiple granularity locking, modification of database test prep for applied computer science.

The MCQs: To insert data into a relation, we specify a tuple to be; "Modification of Database" App (Android, iOS) with answers: processed, retrieved, inserted, and tested to study distance learning courses. Practice Introduction to SQL Questions and Answers, Google Book to download free sample for best online schools for computer science.

Modification of Database MCQ with Answers PDF Download: Quiz 242

MCQ: 1206

To insert data into a relation, we specify a tuple to be

  1. Retrieved
  2. Processed
  3. Tested
  4. Inserted
MCQ: 1207

A protocol that permits a transaction to lock a new data item only if it has not yet unlocked any data item, is called

  1. Two-phase unlocking protocol
  2. One-phase locking protocol
  3. Two-phase locking protocol
  4. One-phase unlocking protocol
MCQ: 1208

The first part, which is the upper half of the rectangle, contains the name of

  1. All attributes
  2. Entity set
  3. Schema
  4. Domain
MCQ: 1209

The aggregate function that returns the number of the elements in the collection is known as

  1. total
  2. count
  3. whole
  4. combine
MCQ: 1210

The rolling back of any transaction takes place at the stage of

  1. Partially committed
  2. Aborted
  3. Active
  4. Committed

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Modification of Database MCQ App (Android & iOS)

Modification of Database MCQ App

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DataBase Management System (MCS) MCQ App

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