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Database normalization the easier way

by gmax (Abbot)
on Dec 17, 2001 at 17:15 UTC ( #132513=perlmeditation: print w/ replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl -w
    use strict;
    ...
    );
    my $norm = Normalizer->new (\%parameters);
    $norm->do();
    
  2. or download this
    perl -e 'use Normalizer; Normalizer->snew(qw(localhost music \ 
        MP3 album_id album,artist,genre tmp_albums songs 1 0 0))->do()'
    
  3. or download this
     +----------+-------------+------+-----+----------+----------------+
     | Field    | Type        | Null | Key | Default  | Extra          |
    ...
     | size     | int(11)     |      |     | 0        |                |
     | genre    | varchar(10) |      | MUL |          |                |
     +----------+-------------+------+-----+----------+----------------+
    
  4. or download this
        DROP TABLE IF EXISTS tmp_albums;
          # create the lookup table
    ...
        FROM MP3 src INNER JOIN tmp_albums lkp 
            ON (src.artist =lkp.artist and src.album =lkp.album 
                and src.genre =lkp.genre);
    

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