Warning: file_get_contents(/data/phpspider/zhask/data//catemap/5/sql/83.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
Sql 如果品牌和尺寸相同，则对上光剂进行研磨_Sql - Fatal编程技术网
Fatal编程技术网
  • sql/
  • Sql 如果品牌和尺寸相同，则对上光剂进行研磨

Sql 如果品牌和尺寸相同，则对上光剂进行研磨

sql

Sql 如果品牌和尺寸相同，则对上光剂进行研磨,sql,Sql,表a Make | Size | Polish | Rough --------------------------------------------------------- VG | 2.00 up | 2.45 | 2.7 VG | 2.00 up | 3.25 | 3.5 VG | 1.00-1.99 | 1.20 | 1.30 VG | 1.0

表a

Make    |   Size        |   Polish  |   Rough  
---------------------------------------------------------  

VG  |   2.00 up     |   2.45    |   2.7  
VG  |   2.00 up     |   3.25    |   3.5  
VG  |   1.00-1.99   |   1.20    |   1.30  
VG  |   1.00-1.99   |   1.5 |   1.6  
AG  |   0.30-0.49   |   0.35    |   0.40  
AG  |   0.50-0.99   |   0.55    |   0.60  
AG  |   0.50-0.99   |   0.65    |   0.70
输出

Make    |   Size        |   Polish  |   Rough  
VG  |   2.00 up     |   5.70    |   6.2   
VG  |   1.00-1.99   |   2.70    |   2.90  
AG  |   0.30-0.49   |   0.35    |   0.40  
AG  |   0.50-0.99   |   1.20    |   1.30
如果制造和尺寸与抛光和粗糙相同，则应重新研磨

select Make, Size, sum(Polish) as Polish, sum(Rough) as Rough
from TableA
group by Make, Size