Similar MCQs

Computer & IT Similar MCQs

Review the selected MCQ and explore related questions from the same subject for better exam preparation.

Selected MCQ

Current Question
Which type of table constraint will prevent the entry of duplicate rows?
  • A. Primary Key
  • B. Unique
  • C. Foreign Key
  • D. Check
Correct Answer: B
Explanation:
The Unique constraint ensures no duplicate values in a column (Primary Key also enforces uniqueness, but is a special case).
Related Question 1
In MS Access, in which method do you not need to specify the field type and size when creating a new table?
  • A. Create a table in Design View
  • B. Create a table using the wizard
  • C. Create a table by entering data
  • D. All of these
Correct Answer: C
Explanation:
“Create Table by Entering data” (Datasheet View) lets Access automatically detect and assign field types.
Related Question 2
Functional Dependencies are the types of constraints that are based on ____.
  • A. Key
  • B. Key revisited
  • C. Superset key
  • D. None of these
Correct Answer: A
Explanation:
Functional dependencies are constraints that describe how one set of attributes determines another, typically based on keys.
Related Question 3
In Excel, the rows of a table correspond to ____.
  • A. Table
  • B. Record
  • C. Field
  • D. Cell
Correct Answer: B
Explanation:
Each row in a table represents one complete record.
Related Question 4
To create a table of columns and rows for statistical or mathematical calculations, using spreadsheet software is used.
  • A. Excel
  • B. Word Pad
  • C. WordPerfect
  • D. Corel Draw
Correct Answer: A
Explanation:
Excel is used for tables and calculations.
Related Question 5
By default, Word automatically formats each heading in a table of contents as ____.
  • A. Bookmarks
  • B. Cross-references
  • C. Hyperlinks
  • D. Word-fields
Correct Answer: C
Explanation:
Headings in a generated Table of Contents are automatically formatted as hyperlinks.

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