How can I pull this peice of data out of all the addresses If I select * from addresses?

According to your description you can't select * from addresses, because "addresses" is a column, not a table. If what you want to do is search for an address that matches a pattern, then the SQL you want is something like this:

SELECT addresses FROM table_name WHERE addresses LIKE '%pattern%'

One worry here is that this SELECT is not guaranteed to return a unique value.

An alternative is to grab *all* the addresses into (say) an array in Perl and use grep to grab the ones you want. This will have the same problem as above, however.

my @addresses; my $sth= $db->prepare('SELECT addresses FROM table_name') or die "SQL +error: $DBI::errstr\n"; $sth->execute(); while (my $row = $sth->fetchrow) { push @addresses, $row; } my @matches = grep { /pattern/ } @addresses;

Let me add my voice to the throng that says "NORMALIZE" though. It will make your life *soooooo* much easier.

Philosophy can be made out of anything. Or less -- Jerry A. Fodor


In reply to Re: Building an SQL query by arturo
in thread Building an SQL query by despair

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.