Union query to fetch SUM values - php

Question

Totally 12 db tables(some tables repeated). I have to fetch SUM(values) from each table of particular date.I have used UNION query,But it returns the value of first table used in query.
Remaining table returned nothing.Can Anybody help me.Here my code.
$sel = mysql_query("
SELECT
SUM(collection_amount) AS cash_total
FROM
collection_entry
WHERE
date='$entered_date'
AND collection_type='DC'
UNION
SELECT
SUM(amt) AS cheque_redeposit_total
FROM
cheque_redeposit
WHERE
redeposited_on1
OR redeposited_on2='$entered_date'
UNION
SELECT
SUM(collection_amount) AS not_cleared_total
FROM
collection_entry
WHERE
cheque_status='not cleared'
AND date='$entered_date'
UNION
SELECT
SUM(collection_amt) AS route_collection_total
FROM
route_collection
WHERE
entered_date='$entered_date'
UNION
SELECT
SUM(amt) AS return_total
FROM
cheque_return
WHERE
return_date1 OR return_date2 OR return_date3='$entered_date'
UNION
SELECT
SUM(collection_amount) AS cheque_total
FROM
collection_entry
WHERE
collection_type='CC'
AND date='$entered_date'
UNION
SELECT
SUM(debit2) AS voucher_receipt_total
FROM
voucher_posting
WHERE
receipt_type='R'
AND date='$entered_date'
UNION
SELECT
SUM(credit2) AS voucher_payment_total
FROM
voucher_posting
WHERE
receipt_type='P'
AND date='$entered_date'
UNION
SELECT
SUM(amt) AS others_total
FROM
others_remittance
WHERE
entered_date='$entered_date'
UNION
SELECT
SUM(amt) AS short_total
FROM
short_remittance
WHERE
entered_date='$entered_date'
UNION
SELECT
SUM(amount) AS more_paid
FROM
difference
WHERE
entered_date='$entered_date'
and paid_type='more'
UNION
SELECT
SUM(amount) AS unpaid
FROM
difference
WHERE
entered_date='$entered_date'
and paid_type='unpaid'");
while($row=mysql_fetch_array($sel))
{
$cash_total=$row['cash_total'];
$cheque_redeposit_total=$row['cheque_redeposit_total'];
$not_cleared_total=$row['not_cleared_total'];
$route_collection_total=$row['route_collection_total'];
$return_total=$row['return_total'];
$cheque_total=$row['cheque_total'];
$voucher_receipt_total=$row['voucher_receipt_total'];
$voucher_payment_total=$row['voucher_payment_total'];
$others_total=$row['others_total'];
$short_total=$row['short_total'];
$more_paid=$row['more_paid'];
$unpaid=$row['unpaid'];
$net_total = (($cash_total + $route_collection_total) - $return_total);
}

Answer 1

UNION just appends rows to one another. So in your case you just get a list of your sums in a row-wise fashion.
[value for cash_total]
[value for cheque_redeposit_total]
[value for not_cleared_total]
...
If you really have to get all the data in one row, you can use something like this:
SELECT * FROM
(SELECT SUM(collection_amount) AS cash_total FROM collection_entry WHERE date='$entered_date' AND collection_type='DC') as t1,
(SELECT SUM(amt) AS cheque_redeposit_total FROM cheque_redeposit WHERE redeposited_on1 OR redeposited_on2='$entered_date') AS t2,
(SELECT SUM(collection_amount) AS not_cleared_total FROM collection_entry WHERE cheque_status='not cleared' AND date='$entered_date') AS t3,
(SELECT SUM(collection_amt) AS route_collection_total FROM route_collection WHERE entered_date='$entered_date') AS t4,
...