Hi guys , I need to move big databa among databases. I have been reading about improving performance with mysql prepared statements. So far I dont understand why it is better neither how to use it.
Lets suppose I have the following "bring and insert data" procedure: 

#!/usr/bin/perl

use strict;
use warnings;
require DBI;

###
#variables here
my @big_data_array;
###

            foreach $id (@big_data_array){

                $query1 = "SELECT * from database1.table WHERE id = '$
+id'

                            my $sth1 = $dbh1->prepare($query1);
                            $sth2->execute();                    
                
                    while (my @row = $sth1->fetchrow_array ) {
                                                
                        $val1 = $row[0];
                        $val2=$row[1];
                        
                    }
                
                $query2 = "insert into database2.table ('value1','valu
+e2')".
                        " VALUES('$val1','$val2')";

                            my $sth2 = $dbh2->prepare($query2);
                            $sth2->execute();
                

            }

[download]

Question is how to achieve same result using prepared statements ?
And why is it better ?
I will try to find more info about it. Regards, Leo.

In reply to dbi: moving big data among databases (prepared statements) by leostereo

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