订阅关系不断增加的表同步怎么做比较好 #2789
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moonService
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订阅关系不断增加的表同步怎么做比较好
#2789
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订阅关系不断增加的表同步怎么做比较好，就是有两个表a,b，订阅字段为m,b订阅a的m=2的数据，就这一部分数据进行同步，以后订阅关系不断增加m=1,2,3,4.........,订阅关系增加时，a表中可能存在该订阅关系的历史数据，要保持a和b表在订阅关系上数据最终一致，这种不断新增订阅关系的表同步的怎么做比较好（表不限于mysql，可以是数据湖表）
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