(any other comment or criticism on the code is warmly welcome)
I'll point out a SQL bug in your code: 
    my $sql = << "__SQL__";

declare \@AZIONE    int;
set \@AZIONE = (SELECT id FROM desAz WHERE az LIKE 'XXXX%' );
select * from desCc where id = \@AZIONE;
    
__SQL__

[download]
It is possible that SELECT id FROM desAz WHERE az like '...' could return more than one row, @AZIONE will get set to the last value returned. That's one of the reasons why using a JOIN here would be a lot better.

Michael

In reply to Re: ADO, multiple statements and Perl by mpeppler
in thread ADO, multiple statements and Perl by l3nz

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