Database Systems MCQs (Computer Science) From Textbook

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Database Systems Competitive Exam MCQs – Mock Test 387

Database Authorization Notes Questions with Answers PDF Download – Test 387

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The Quiz: The authorization on a relation that is required to read tuples in the relation, is known to be; "Database Authorization" App (iOS, Android) with answers: select authorization, grant authorization, define authorization, and create authorization for software engineering online courses. Study SQL Queries Interview Questions Questions and Answers, Apple Book to download free chapter for software engineering online courses.

Database Authorization MCQs – Mock Test 387 PDF Download

MCQ: 1931

The authorization on a relation that is required to read tuples in the relation, is known to be

  1. grant authorization
  2. select authorization
  3. create authorization
  4. define authorization
MCQ: 1932

Several relational algebra operations can be grouped together into a

  1. Sector
  2. Track
  3. Segment
  4. Pipeline
MCQ: 1933

The ResultSet objects do not store the entire large object, but instead store

  1. Initializers
  2. Locators
  3. Addressers
  4. Clone objects
MCQ: 1934

A relation basically is by definition a subset of a

  1. Selection
  2. Projection
  3. Union
  4. Cartesian product
MCQ: 1935

SQL also provides constructs that allow you to change the behavior with

  1. Null values
  2. Not Null values
  3. Unique values
  4. Not Unique values

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