Dear Friends!
I have got two databases on two different PCs, A & B.
When i was developing the software, i locally copied the tables from PC B to
PC A.
Since the tables in PC-B are updating regularly so now i need to call these
tables from PC-B to PC-A, without locally copying them.
The database on PC-A is named as "tac"
The database on PC-B is named as "Inventory"
and using both databases i am trying to execute an INNER JOIN SELECT query,
like the same way i used to execute when i had the local copy of tables from
Inventory.
Problem:- Now when i call the second 'mysql_select_db', function, the query
failed to recognize the tables of the first database connection.
Below is the actual code:
<?php
///////// connection establishment with first database /////////////
$dbhost1 = '192.168.1.11';
$dbuser1 = 'usman';
$dbpass1 = 'ti123';
$dbname1 = 'Inventory';
$conn1 = mysql_connect($dbhost1, $dbuser1, $dbpass1);
mysql_select_db($dbname1, $conn1);
////////// connection establishment with second database
///////////////////////
$dbhost = 'localhost';
$dbuser = 'root';
$dbpass = 'acbl';
$dbname = 'tac';
$conn = mysql_connect($dbhost, $dbuser, $dbpass);
mysql_select_db($dbname, $conn);
///////////////// i want to exectue this query, using both databases but it
fail to recognize the
//////////////// Inventory database tables
$sql = "SELECT tac.casemain.CaseID, tac.casemain.BranchID from tac.casemain
INNER JOIN Inventory.branch ON tac.casemain.BranchID =
Inventory.branch.branch_code";
$result=mysql_query($sql, $conn) or die("cannot execute the query " .
mysql_error());
$num=mysql_num_rows($result);
echo "No: $num";
?>
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