我试图找到其中至少有75%+类似组件的物品,我们有数千种产品.我的表有2列,Item和Component.例:
+------+-----------+
| Item | Component |
+------+-----------+
| AAA | screw |
| AAA | metal |
| AAA | bar |
| AAA | nut |
| ABC | screw |
| ABC | metal |
| ABC | bar |
| CAA | nut |
| CAA | cap |
+------+-----------+
最终的结果我想获得3列.项目,项目2和百分比相似.所以看起来像:
+------+-------+-------------------+
| Item | Item2 | PercentageSimilar |
+------+-------+-------------------+
| AAA | ABC | 75% |
| AAA | CAA | 25% |
| ABC …