Perl Script Characteristics MCQ

Test your knowledge with important Perl Script Characteristics MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Perl Script Characteristics MCQs on Bissoy. Bissoy App

• Issuing ‘SELECT’ on a MERGE table is like _____________
  ক

  UNION

  খ

  UNION ALL

  গ

  UNION DISTINCT

  ঘ

  JOIN
• To combine multiple retrievals, which keyword is used to write several SELECT statements between them?
  ক

  COMBINE

  খ

  CONCAT

  গ

  JOIN

  ঘ

  UNION
• Which of these operators does not perform relative value comparisons?
  ক

  =

  খ

  ==

  গ

  <=

  ঘ

  >=
• What is the facility that allows nesting one select statement into another?
  ক

  nesting

  খ

  binding

  গ

  subquerying

  ঘ

  encapsulating
• Which is the join in which all the rows from the right table appear in the output irrespective of the content of the other table?
  ক

  CARTESIAN JOIN

  খ

  CROSS JOIN

  গ

  INNER JOIN

  ঘ

  RIGHT JOIN
• The default path to perl in Unix is ______________
  ক

  /usr/bin/perl

  খ

  /usr/bin

  গ

  /usr/perl

  ঘ

  /usr/perl/bin
• The Perl DBI is ______________
  ক

  database inheritance

  খ

  database integrity

  গ

  database interface

  ঘ

  database isolation
• The shebang line is ______________
  ক

  #!

  খ

  !#

  গ

  #$

  ঘ

  $#
• Perl scripts are text files.
  ক

  True

  খ

  False