Database Systems MCQs (Computer Science) From Textbook

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Database Systems MCQs – Practice Test 47 (Chapter 1)

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The MCQ: In the cross-tab, change in data results in an undesirable action for data storage, which is; "Database Systems Quiz" App (iOS, Android) with answers: adding more columns, adding rows only, removing rows, and removing columns for online master computer science. Study Basic Structure of SQL Queries Quiz Questions, download Google Book (Free Chapter) for online college courses.

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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