來自多個MySQL表的淨收益

我有兩個mysql表，一個是tblvouchers，另一個是tblinvoices，我正在開發一個小型會計系統。這兩個表都有不同的字段帳戶代碼，借記卡和信用額度字段等。現在我想從兩個表中計算總淨餘額代碼明智我用多個小臨時表和查詢實現這一點，但我想用單個查詢來實現這一點，請任何人指導我如何實現這與單個MySQL查詢。來自多個MySQL表的淨收益

我的示例表如下。

TBLVOUCHERS

VOU_ACC_CODE DR_AMOUNT CR_AMOUNT 
------------ --------- ----------- 
3-01-0001    0   4600 
3-01-0002   10000   0 
3-01-0005   15000   0 
6-02-0001    0  27500 
6-02-0002    0  315432 
6-03-0001   27500   0

TBLINVOICES

ACCOUNT_CODE DR_AMOUNT CR_AMOUNT 
------------ --------- ----------- 
3-01-0001    0  11400 
3-01-0005    0  10454.2 
3-01-0001    0   4600 
3-01-0001    0   7500 
6-01-0002   1250   0 
6-02-0007    0   750 
7-01-0001    0   1250 


ACCOUNT_CODE DR_AMOUNT CR_AMOUNT NET_BALANCE 
------------ --------- ----------- ----------- 
3-01-0001   0  28100  -28100 
3-01-0002  10000   0  10000  
3-01-0005 4545.8   0  4545.8 
6-02-0001   0  27500  -27500 
6-02-0002   0  315432  -315432 
6-02-0007   0  750   -750 
6-03-0001  27500   0   27500 
7-01-0001   0  1250   -1250

我的PHP代碼：

$empty = mysql_query("TRUNCATE `tblaccountingledger`"); 
    $VOUCHERS = mysql_query(" 
    INSERT INTO `tblaccountingledger` 
    SELECT 
    `tblvouchers`.`VOU_DATE`, 
    `tblvouchers`.`VOU_NO`, 
    `tblvouchers`.`BILL_NO`, 
    `tblvouchers`.`VOU_CROSS_ACC_CODE`, 
    `tblcharts`.`ACC_NAME`, 
    `tblvouchers`.`VOU_NARRATION`, 
    `tblvouchers`.`DR_AMOUNT`, 
    `tblvouchers`.`CR_AMOUNT` 
    FROM 
    `tblvouchers` 
    INNER JOIN `tblcharts` 
     ON (
     `tblvouchers`.`VOU_CROSS_ACC_CODE` = `tblcharts`.`ACC_CODE` 
    ) 
    WHERE `tblvouchers`.`VOU_ACC_CODE` = '".$ACC_CODE."' 
    AND `tblvouchers`.`VOU_DATE` BETWEEN '".$START_DATE."' 
    AND '".$END_DATE."'; 
    "); 


    $INVOICES = mysql_query(" 
    INSERT INTO `tblaccountingledger` 
    SELECT 
    `tblinvoices`.`INVOICE_DATE`, 
    `tblinvoices`.`INVOICE_NO`, 
    `tblinvoices`.`BILL_NO`, 
    `tblinvoices`.`CROSS_ACCOUNT_CODE`, 
    `tblcharts`.`ACC_NAME`, 
    `tblinvoices`.`NARRATION`, 
    `tblinvoices`.`DR_AMOUNT`, 
    `tblinvoices`.`CR_AMOUNT` 
    FROM 
    `shop_system`.`tblinvoices` 
    INNER JOIN `shop_system`.`tblcharts` 
     ON (
     `tblinvoices`.`CROSS_ACCOUNT_CODE` = `tblcharts`.`ACC_CODE` 
    ) 
    WHERE `tblinvoices`.`ACCOUNT_CODE` = '".$ACC_CODE."' 
    AND `tblinvoices`.`INVOICE_DATE` BETWEEN '".$START_DATE."' 
    AND '".$END_DATE."'; 
    ");

來源

2014-11-06 khizar123456

爲什麼淨額爲3-01-0001'-28100'，那麼你已經在一個帳戶了'4600'和另一個'11400'？ 4600 + 11400 = 28100怎麼樣？ – 2014-11-06 19:02:23

@Marc B，對不起，這是我的示例表。 – khizar123456 2014-11-06 19:04:19

首先，你需要從這兩使用創建一個表。

SELECT VOU_ACC_CODE, SUM(DR_AMOUNT), SUM(CR_AMOUNT), (SUM(DR_AMOUNT) - SUM(CR_AMOUNT)) AS NET_BALANCE FROM 
    (SELECT VOU_ACC_CODE, DR_AMOUNT, CR_AMOUNT FROM TBLVOUCHERS 
    UNION ALL 
    SELECT ACCOUNT_CODE AS VOU_ACC_CODE, DR_AMOUNT, CR_AMOUNT FROM TBLINVOICES) AS tbl1 
GROUP BY VOU_ACC_CODE

見SQLFiddle：使用GROUP BY然後你只需彙總數據http://sqlfiddle.com/#!2/07a12/10

來源

2014-11-06 19:23:25 Heavy

來自多個MySQL表的淨收益

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