| pid | number1 | number2 |
1001 | 23 | 35 |
1001 | 46 | 42 |
1002 | 25 | 68 |
1002 | 46 | 97 |
1002 | 44 | 78 |
1002 | 32 | 12 |
1003 | 25 | 78 |
1004 | 97 | 83 |
1004 | 57 | 69 |
1004 | 35 | 68 |
| pid | number1 | number2 |
1001 | 23 | 35 |
1002 | 25 | 68 |
1002 | 46 | 97 |
1002 | 32 | 12 |
1003 | 25 | 78 |
1004 | 97 | 83 |
1004 | 35 | 68 |
| pid | number1 | number2 |
1001 | 46 | 42 |
1002 | 44 | 78 |
1004 | 57 | 69 |
表2是表1的子集 想去除表1里面的表2得到表3,用sas怎么写 谢谢