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ibatis-Mysql 在A表新增一条数据时，B表的b字段会根据A表的a字段的值增加或减小

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Release： 2016-06-06 09:42:46
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ibatismysql数据

用ibatis和mysql，用excel导入表格A时，
A表有一个字段a每月还款额，B表有一个字段b总金额。_两个表根据peopleid关联_。
在A表插入一行新的数据，对应的B表的 某条数据 的字段b总金额发生更新变化。
请问在Action中或sql语句要如何实现这个功能

Related labels：
ibatis mysql 数据
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