Hello!! I have a question, I am working on a big table that I need to turn into little tables using customernumber a lot of times the customernumber has no movements, the table appears with zero rows, so I want to tell the SELECT I use to not create the table if its zero rows, this is how I have it right now
CREATE TABLE $tableNameexpt SELECT * FROM final_exp WHERE pat = $row[0 +]
the last part is like that because I am programming in perl, when run it creates these table with zero rows, how can I avoid them?
my $sthexpt = $dbhexpt->prepare("SELECT DISTINCT PAT FROM xpatentes"); $sthexpt->execute(); # Just print the values of 'pat' from the patentes table. while ( (my @row) = $sthexpt->fetchrow_array() ) { print "El nombre del proximo archivo ... E$row[0]\n"; } $sthexpt->execute(); # we've looped through all of the query results + above so #-- # Create the new tables. # while ( (my @row) = $sthexpt->fetchrow_array() ) { my $tableNameexpt = "E" . $row[0]; # table names can not begin w +ith a digit print "Creando tabla " . $tableNameexpt . "\n"; my $a_sthexpt = $dbhexpt->prepare("CREATE TABLE TableNameexpt SEL +ECT * FROM final_exp WHERE pat = $row[0]"); $a_sthexpt->execute(); }
I just wants to see create it the one with one or more rows, can someone help me?

In reply to skip empty mysql table by ArmandoG

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