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------------------------------------------------------ | Id Code percentage name name1 activity | ----------------------------------------------------- | 1 Prashant 43.43 James James_ Running | | 1 Prashant 70.43 Sam Sam_ Cooking | | 1 Prashant 90.34 Lisa Lisa_ Walking | | 1 Prashant 0.00 James James_ Stealing | | 1 Prashant 0.00 James James_ Lacking | | 1 Prashant 73 Sam Sam_ Cooking 1 | ------------------------------------------------------
??? ?? ???? ?? ?? as:
SELECT Id,Code,
MAX(CASE WHEN name = 'James' THEN activity END) AS James,
MAX(CASE WHEN name1 = 'James_' THEN percentage END) AS James_,
MAX(CASE WHEN name = 'Sam' THEN activity END) AS Sam,
MAX(CASE WHEN name1 = 'Sam_' THEN percentage END) AS Sam_,
MAX(CASE WHEN name = 'Lisa' THEN activity END) AS Lisa,
MAX(CASE WHEN name1 = 'Lisa_' THEN percentage END) AS Lisa_
FROM A
GROUP BY Id, Code
?? ???? ?????.
------------------------------------------------------------------- Id Code James James_ Sam Sam_ Lisa Lisa_ ------------------------------------------------------------------- 1 Prashant Running 43.43 Cooking 3.43 Walking 90.34 1 Prashant Stealing 0.0 NULL NULL NULL NULL -------------------------------------------------------------------
??? ??? name? ???? ???? 0? ? ?? ??? name1? ?? ?? ?? ????? ????. ? ?? James? "??" ??? ?????.
???: ??? ?????. ???? ?? ROW_NUMBER()
? ??? ???? ?? ROW_NUMBER()? ??? ? ????.
;with cte as
(
select *, ROW_NUMBER() over (partition by name order by percentage desc) ROWNUM
from A
)
...
ROW_NUMBER()? ???? ??? ???? ???? ???? ??? ?????. ?? ??? ??? ?? ??? ????. ?? ?? ??? ???? ???? ??? ??? ?? ???? ??? ? ????.
?? ???? ??? ????.
---------------------------------------------------------- | Id Code James James_ Sam Sam_ Lisa Lisa_ ---------------------------------------------------------- | 1 Prashant Running 43.43 Cooking 1 73 Walking 90.34 | 1 Prashant Stealing 0.00 Cooking 3.43 NULL NULL | 1 Prashant Lacking 0.00 NULL NULL NULL NULL ----------------------------------------------------------
James? "??"? ??? ?? ?? , ?? ?? ???? ?????. ? ??? ???? ??? ?? ???? ??? ?? ???? ??? ? ????.
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