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The variable used as a handle to an open file is ______________(a) $dbh(b) $sth(c) $fh(d) $hThis question was posed to me in an online quiz.I would like to ask this question from Date and Time Data Types topic in portion Data Type Reference, Operators and Functions of MySQL

Answer»

The CORRECT answer is (c) $fh

For explanation 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.



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