Question

The generic handle whose meaning depends on context is ______________

(a) $dbh

(b) $sth

(c) $fh

(d) $h

I got this question in class test.

I'm obligated to ask this question of Perl DBI Overview topic in portion MySQL Programs Using Perl DBI and PHP of MySQL

Answer 1

The correct option is (d) $h

Easy explanation: The variable named ‘$fh’ is a handle to an open file. ‘$h’ is a generic handle and the meaning depends on context. ‘$dbh’ is a handle to a database object. ‘$sth’ is a handle to a query object.