UPDATE ecs_goods JOIN ecs_jr_zseb_zkcsd ON ecs_goods.goods_sn = ecs_jr_zseb_zkcsd.matnr SET ecs_goods.xinghao =ecs_jr_zseb_zkcsd.maktx WHERE ecs_goods.xinghao = ''
mysql一个字段的值等于另一个字段的值
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转载自blog.csdn.net/liuhongwei_study/article/details/76254554
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