What is the generic handle whose meaning depends on context?
(a) $dbh
(b) $sth
(c) $fh
(d) $h
(a) $dbh
(b) $sth
(c) $fh
(d) $h
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Right option is (d) $h
To explain I would say: The variable named ‘$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.