Python 从django中使用connection.cursor创建的显示表中删除

我已经使用

连接显示了两个表（即
表1
和
表2
）。光标
来自
源
表

问题：

现在我必须减去
table1（字段）-table2（字段）
，并将输出显示为
table3

节目：

IN views.py

cursor1.execute('''select dummy as LCR_CUSTOMER_TYPE,CUR AS CURRENCY,'$'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_NONOP_INS))) as LCR_NONOP_INS, '$'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_OP_INS))) as LCR_OP_INS, '$'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_NONOP_UNINS)))as LCR_NONOP_UNINS, '$'+CONVERT(VARCHAR(20), CONVERT(MONEY,sum(LCR_OP_UNINS)))as LCR_OP_UNINS from (select *,(case when LCR_CUSTOMER_TYPE='Corporate' then 'Non-Credit Financial Entities'else LCR_CUSTOMER_TYPE end) as dummy from   DDA_BASED_S9_20150930) a group by CUR,dummy''')                                            cursor.execute('''select AFTERMEMO,CUR AS CURRENCY,'$'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_NONOP_INS))) as LCR_NONOP_INS,'$'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_OP_INS))) as LCR_OP_INS, $'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_NONOP_UNINS))) as LCR_NONOP_UNINS, '$'+CONVERT(VARCHAR(20), CONVERT(MONEY, sum(LCR_OP_UNINS))) as LCR_OP_UNINS from (select *,(case when SIC_CODE = 7215 and LCR_CUSTOMER_TYPE = 'Non-Credit Financial Entities' then 'NonFinancialCorp' when LCR_CUSTOMER_TYPE = 'Corporate' then 'Non-Credit Financial Entities' else LCR_CUSTOMER_TYPE end) as AFTERMEMO from  DDA_BASED_S9_20150930) a group by  CUR,AFTERMEMO''')

TABLE3=TABLE1-TABLE2

谁能告诉我怎么做……这将非常有用，谢谢
为什么要在Django中使用SQL？您的问题被标记为和，它们是来自不同供应商（分别是Oracle和Microsoft）的竞争性RDBMS产品；它还添加了标签，而您的问题似乎与PayPal API无关；此外，您的问题被标记，而您的问题（在我看来）似乎纯粹是关于SQL的。请删除不相关的标记。这就是我使用SQL的原因，这样我就可以通过使用简单的查询轻松地从数据库中调用表