从两个不同的表中添加金额Oracle [英] Add amounts from two different tables Oracle

问题描述

我有两个表，一个利息表和一个费用表.利息表具有借方利息和贷方利息，我可以使用以下查询获得差额:

I have two tables, an interest table and a charges table. The Interest Table Has debit Interest and credit Interest Which I have been able to get the difference using this query:

select e.sol_id, (sum(CASE WHEN e.INTEREST_IND = 'D' THEN e.AMOUNT_IN_LCY ELSE 0 END)-
sum(CASE WHEN e.INTEREST_IND = 'C' THEN e.AMOUNT_IN_LCY ELSE 0 END)) as Difference 
from tbaadm.INTEREST_DETAILS e
group by e.sol_id;

我的输出是正确的:

我现在需要像这样尝试在费用"表中添加金额:

I now need to add the amount in the Charges table which I have attempted like this:

select e.sol_id, (sum(CASE WHEN e.INTEREST_IND = 'D' THEN e.AMOUNT_IN_LCY ELSE 0 END)-
sum(CASE WHEN e.INTEREST_IND = 'C' THEN e.AMOUNT_IN_LCY ELSE 0 END) + 
sum(f.AMOUNT_IN_LCY)) as Difference 
from tbaadm.INTEREST_DETAILS e,TBAADM.CHARGE_DETAILS f
where F.SOL_ID = E.SOL_ID
group by e.sol_id, f.sol_id

挂起片刻后的这个查询给我这个输出:

This Query after hanging for a moment gives me this Output:

这是错误的，考虑到虽然从第一张表中的贷方减去借方有分行000,001和003的条目，但是即使第二张表中没有条目，我如何才能从第二张表中添加金额并维护我的结果集000和003的分支?

Which is wrong Considering that while Subtracting Debits from the credit in the first tables has entries for Branch 000,001 and 003, How can I add the Amount from the second table and maintain my result set even if the second table does not have entries for branch 000 and 003?

推荐答案

我认为您需要外部联接.

I think you need an OUTER JOIN.

您基本上有两个这样的数据集:

You essentially have two Datasets like this:

Set1: ID VAL     Set2: ID Val    => Expected Result:
       1  10            1   5       1  15
       2  20                        2  20
       3  30                        3  30

因此您需要一个正确的外部联接

So you need a RIGHT OUTER JOIN

对于您的SQL，它将是:

For your SQL it would be:

select  e.sol_id
       ,(sum(CASE WHEN e.INTEREST_IND = 'D' THEN e.AMOUNT_IN_LCY ELSE 0 END)
          - sum(CASE WHEN e.INTEREST_IND = 'C' THEN e.AMOUNT_IN_LCY ELSE 0 END)
          + sum(f.AMOUNT_IN_LCY)
        ) as Difference 
  from  tbaadm.INTEREST_DETAILS e
       ,tbaadm.CHARGE_DETAILS   f
 where  E.SOL_ID = F.SOL_ID (+)
 group  by e.sol_id, f.sol_id;

(+)表示表，也可以为NULL.另一种写法是:

The (+) denotes the Table, which can also be NULL. Another way to write it would be:

select  e.sol_id
       ,(sum(CASE WHEN e.INTEREST_IND = 'D' THEN e.AMOUNT_IN_LCY ELSE 0 END)
          - sum(CASE WHEN e.INTEREST_IND = 'C' THEN e.AMOUNT_IN_LCY ELSE 0 END)
          + sum(f.AMOUNT_IN_LCY)
        ) as Difference 
  from  tbaadm.INTEREST_DETAILS e
        LEFT OUTER JOIN
          tbaadm.CHARGE_DETAILS f
        ON E.SOL_ID = F.SOL_ID
 group  by e.sol_id, f.sol_id;

第二个版本符合SQL标准，而第一个(+)仅受Oracle支持.

The Second Version is conforming to the SQL Standard, whereas the first one (+) is only supported by Oracle.

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