Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 48 (Chapter 1)

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The MCQ: An update to a tuple in the result set then results in an update to the; "Database Systems Notes" App APK Download with answers: tuple of the database relation, attribute of the database relation., an instance of the database relation., and no update in database relation to study software engineering courses. Practice Basic Structure of SQL Queries Quiz Questions, download Kobo e-Book (Free Chapter) to study software engineering courses.

Advanced SQL MCQs – Practice Test 48 PDF Download

MCQ: 236

An update to a tuple in the result set then results in an update to the

  1. Attribute of the database relation.
  2. Tuple of the database relation
  3. An instance of the database relation.
  4. No update in database relation
MCQ: 237

Computation of the recursive query using current contents of view relation, and adding resulting tuples back to the view relation, is the

  1. First step in recursive view
  2. Second step in recursive view
  3. Third step in recursive view
  4. Fourth step in recursive view
MCQ: 238

The DBMS language component which can be embedded in a program is

  1. Query language
  2. Query statement
  3. DML
  4. DDL
MCQ: 239

The for each row clause in the trigger code would explicitly iterate over each

  1. Retrieved column
  2. Inserted column
  3. Retrieved row
  4. Inserted row
MCQ: 240

The number of ways in which we can group the tuples for aggregation can be

  1. Complex
  2. Simple
  3. Small
  4. Large

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