Which variable returns code from operations that return true or false?(a) $rc(b) $rv(c) $rows(d) $aryI got this question by my school teacher while I was bunking the class.This intriguing question originated from Perl DBI Overview in section MySQL Programs Using Perl DBI and PHP of MySQL

Which variable returns code from operations that return true or false?

1.	Which variable returns code from operations that return true or false?(a) $rc(b) $rv(c) $rows(d) $aryI got this question by my school teacher while I was bunking the class.This intriguing question originated from Perl DBI Overview in section MySQL Programs Using Perl DBI and PHP of MySQL
Answer» Right answer is (a) $rc Explanation: The PERL Non-handle variable ‘$rc’ returns code from operations that RETURN TRUE or FALSE. ‘$rv’ returns value from operations that return an integer. ‘$rows’ returns value from operations that return a row count.

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Which variable returns code from operations that return true or false?(a) $rc(b) $rv(c) $rows(d) $aryI got this question by my school teacher while I was bunking the class.This intriguing question originated from Perl DBI Overview in section MySQL Programs Using Perl DBI and PHP of MySQL

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