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Re: SQL Database Table to Perl Script

by erix (Vicar)
on Oct 05, 2012 at 07:44 UTC ( #997408=note: print w/ replies, xml ) Need Help??


in reply to SQL Database Table to Perl Script

You say:

I am getting the exact output for this.

But how is that possible when the script doesn't compile?


Comment on Re: SQL Database Table to Perl Script
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Re^2: SQL Database Table to Perl Script
by prithviraj (Novice) on Oct 05, 2012 at 07:51 UTC
    Sir...The script what I showed compiles. I want the answer for the 2 new questions in the same method shown in the script. That means for the 2 new questions, I just have to change the SQL query in the script shown. I want your help for the query. Thats it.

      "Sir...The script what I showed compiles. "

      Nope:

      C:\>perl -c 997371.pl Global symbol "$dbh" requires explicit package name at 997371.pl line +5. Global symbol "$dbh" requires explicit package name at 997371.pl line +6. Global symbol "$dbh" requires explicit package name at 997371.pl line +18. 997371.pl had compilation errors.

        Maybe this SQL will help.

        SELECT AccNum, max(date), Type, sum(Amount) FROM transaction GROUP BY + AccNum, Type union SELECT AccNum, max(date),'Balance', sum(if (type='Debit',-1*Amount,Amo +unt)) FROM transaction GROUP BY AccNum; SELECT * FROM transaction t where chequeno is not null or ddno is not +null;

        And this has little to do with perl this is an datbase question

        Ok....This program:
        #!/usr/bin/perl use DBI; use strict; use warnings; print "content-type:text/html\n\n"; my $dbh = DBI->connect('dbi:mysql:database:3306','prithvi','prithvi') +or die("Couldn't connect"); my $tran_cur = $dbh->prepare("SELECT AcNo, Type, SUM(Amount) FROM bank +tran GROUP BY AcNo, Type"); $tran_cur->execute; map {print "<td>$_</td>"}qw(Account Number-Type-Total Amount); print "<br/>"; while( my @data = $tran_cur->fetchrow_array) { my $rec = join ('-',@data); print "$rec<br/>"; } $tran_cur->finish; $dbh->disconnect;
        + sign is displayed in 2 lines. When I did paste my program in the discussion box, it received like that. Take off that + sign and execute. You might be executing it in a different database. Put that database name and execute. You will get the o/p.
        Now can you give me the solution for this question please: Query data from transaction table and calculate total amount debited by cheque, dd and by cash for each account.

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