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Learn Modification of Database Multiple Choice Questions (MCQ) with Answers PDF to strengthen database skills. Download the Modification of Database MCQ PDF e-Book, 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 strengthen database skills. Download the Modification of Database MCQ App: Free Database Systems App to study algebra operations in dbms, entity relationship diagrams, multiple granularity locking, modification of database test prep for software engineering courses.

The "Modification of Database MCQ" App Download (iOS & Android): To insert data into a relation, we specify a tuple to be; MCQ with answers: processed, retrieved, inserted, and tested. Practice Introduction to SQL Questions and Answers, Google Book to download free chapter to strengthen database skills.

Modification of Database MCQ PDF Download – Mock Test 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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