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Database Systems MCQs (Computer Science) From Textbook

Database Systems MCQs – Practice Test 47 (Chapter 1)

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Free "Database Systems Study" App (iOS & Android) with MCQ: In the cross-tab, change in data results in an undesirable action for data storage, which is; with answers: adding more columns, adding rows only, removing rows, and removing columns for digital database learning. Study Basic Structure of SQL Queries Quiz Questions, download Google Book (Free Chapter) to build digital skills.

Advanced SQL Quiz – Practice Test 47 PDF Download

MCQ 231: In the cross-tab, change in data results in an undesirable action for data storage, which is:

  1. Adding rows only
  2. Adding more columns
  3. Removing rows
  4. Removing columns

MCQ 232: A temporary view or simply view is expressed in terms of:

  1. Itself
  2. Attributes
  3. Environment
  4. Structure

MCQ 233: SQL permits specification to the user about the occurrence of the null values by the:

  1. nulls begin and nulls end
  2. nulls atomic and nulls end
  3. nulls first and nulls last
  4. start nulls and last nulls

MCQ 234: The SQLConnect call, takes the third parameter for the indication of:

  1. Connection to user identifier
  2. Identify position of attribute
  3. Address of variable
  4. Type conversion

MCQ 235: Relations of data cube are often very:

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

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