Workshop

The quiz and exercises are provided to help you solidify your understanding of the material covered today. Try to understand the quiz and exercise answers before continuing to tomorrow's lesson.

Quiz

1:What's wrong with the following code? 
my $dsn = "DBI:mysql:mydb";
my $db_user = "some_user";
my $db_pass = "some_pass";
my $dbh = $dbh->connect ($dsn, $db_user, $db_pass)
or die "Couldn't connect to MySQL.\n";
A1: The connect() method should reference DBI, not the database handle $dbh. The connect() line should read: 
my $dbh = DBI->connect ($dsn, $db_user, $db_pass)
or die "Couldn't connect to MySQL.\n";
2:If you have the following lines to perform a prepare(): 
 $sth = $dbh->prepare ($sql) or die "Couldn't prepare statement $sql.\n"; ...

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