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  1. or download this
    use strict;
    use warnings;
    ...
    $dbh->disconnect();
    
    exit;
    
  2. or download this
    key;value
    1;654
    ...
    8;654
    9;45
    10;6546
    
  3. or download this
    Argument "value" isn't numeric in numeric eq (==) at /jey/.perl-lib/SQ
    +L/Statement.pm line 1120, <GEN0> line 1.
    key(2) value(45)
    key(7) value(45)
    key(9) value(45)
    
  4. or download this
    SELECT * FROM table WHERE value = (SELECT * FROM table2 WHERE value2 =
    + ?)