select column_comment from information_schema.columns where table_name = 'product_product' and column_name = 'product_category' and table_schema = 'product_caishen';

select column_comment from information_schema.columns where table_name = 'product_product' and column_name = 'product_category' and table_schema = 'product_caishen';
本文标题:根据字段名和表名查询字段的备注信息
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