You want to concatenate strings with perl. How would you do that?
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Explain about typeglobs?
What interface used in PERL to connect to database? How do you connect to database in Perl?
What happens when you return a reference to a private variable?
How would you ensure the re-use and maximum readability of your perl code?
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Differences between die and exit.
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Explain the difference between "my" and "local" variable scope declarations. ?
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