user_id canon_id score
| 28772984 | 28772984 | .1 |
| 28773001 | 28772088 | .1 |
| 28773011 | 28773011 | 1 |
| 28773046 | 28773011 | .4 |
| 28773069 | 28773011 | .1 |
| 28773077 | 28773077 | 1 |
| 28773072 | 28773077 | .1 |
在这种情况下,如何删除平均(分数)小于0.50的佳能id?
1条答案
按热度按时间tktrz96b1#
您可以尝试使用delete和join