Hi, I am new to DBI and tried reading the docs on this, but I can't seem to figure out where my syntax error is. I want to remove a row from a PostgreSQL database based on a key I am parsing from an XML file. The snippet below.

# connect to mesh db
my $dbh = DBI->connect( "dbi:Pg:dbname=foobar", "foo") 
|| die "couldn't open db \n";
# prepare statement, $dtable is the table name I am passing in as a pa
+rameter
my $rm = $dbh->prepare("DELETE FROM  $dtable (pubmed_ui) VALUES (?)");
# when I parse from xml file
my $pmid = ($root->descendants('PMID'))[0]->text;   
print "PMID: $pmid\n";
$rm->execute($pmid);
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I get the following error when I run it.

DBD::Pg::st execute failed: ERROR:  parser: parse error at or near "("
+ at character 20 at ../../bin/remove_disease.pl line 55.
# line 55 is my execute statement but I think my syntax is wrong in my
+ prepare statement
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Any ideas what I'm doing wrong? Thanks for the help.