Question

The function returning reference to hash of row values is ______________

(a) fetchrow_array()

(b) fetchrow_arrayref()

(c) fetch()

(d) fetchrow_hashref()

The question was asked in an international level competition.

I would like to ask this question from Putting Perl DBI to Work in division MySQL Programs Using Perl DBI and PHP of MySQL

Answer 1

The correct answer is (d) fetchrow_hashref()

To explain: The function ‘fetchrow_hashref()’ returns reference to hash of row values. ‘fetchrow_arrayref()’ returns a reference to an array of row values. ‘fetch()’ is the same as fetchrow_arrayref().