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Road        ÃźŠ ÇøÓò
Ììɽ·      25    A
Ììɽ·      100  A
Ììɽ·      200  B
Ììɽ·      365  B
Ììɽ·      700  A
Ììɽ·      1700  A

×îºóÏëÒªµÃµ½µÄ½á¹û
Road    minÃźŠ MaxÃźŠ ÇøÓò
Ììɽ·    25      100    A
Ììɽ·    200      365    B
Ììɽ·    700      1700    A

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SQL code:
select Road,ÇøÓò,min(ÃźÅ),Max(ÃźÅ)
from tb
group by Road,ÇøÓò


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Road    minÃźŠ MaxÃźŠ ÇøÓò
Ììɽ·    25      1700    A
Ììɽ·    200      365    B


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