ID | Y | M | JE |
1 | 2017 | 1 | 50 |
2 | 2017 | 1 | 60 |
3 | 2017 | 1 | 70 |
4 | 2017 | 1 | 80 |
5 | 2017 | 2 | 100 |
6 | 2017 | 2 | 48 |
y | m | jehj | Pj |
2017 | 1 | 260 | 65 |
2017 | 2 | 148 | 74 |
y | m | jehj | Pj |
2017 | 1 | 260 | 204 |
2017 | 2 | 148 | 204 |
y | m | jehj | Pj |
2017 | 1 | 260 | 130 |
2017 | 2 | 148 | 74 |
koutx 发表于 2017-5-2 16:05
用联合查询
Henry D. Sy 发表于 2017-5-2 20:36
请把语句中的表1改为你的表名 AA
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