sum and group

Hi everyone, consider the following data

{code}

WITH data such AS)

SELECT 111 usd, 777 native, native2 345, 'SB' GROUP_id 'AND' TYPE OF double UNION ALL

SELECT usd 222, 222 native, native2 778, 'SB' GROUP_id, 'AND' TYPE OF double UNION all

SELECT 333 usd, native of 888, 976 native2, GROUP_id 'SB', and ' 1' TYPE OF double UNION all

SELECT 555 usd, native of 976, 236 native2, GROUP_id "SB2", "4" dual UNION all TYPE

SELECT 555 usd, native of 987, 1234 native2, GROUP_id "SB2", "AND" TYPE OF double UNION ALL

SELECT 666 usd, native of 345, 765 native2, GROUP_id "SB2", "ET6" double TYPE

)

{code}

I want to write something like this

Select group_id,

-case when type = 'AND' then

Sum (USD),

Sum (Native)

on the other

Sum (Native)

Sum (native2)

end

from the data

Group_id group

I get the error message because I can't have two columns in a case statement.  I know that I can write two different queries and the union of all, but I can run in performance problem because the table is huge.

is there a way to do something similar to the above query in oracle 10g in a single request (no Union all etc.)

Hello

elmasduro wrote:

Hi everyone, consider the following data

{code}

WITH data such AS)

SELECT 111 usd, 777 native, native2 345, 'SB' GROUP_id 'AND' TYPE OF double UNION ALL

SELECT usd 222, 222 native, native2 778, 'SB' GROUP_id, 'AND' TYPE OF double UNION all

SELECT 333 usd, native of 888, 976 native2, GROUP_id 'SB', and ' 1' TYPE OF double UNION all

SELECT 555 usd, native of 976, 236 native2, GROUP_id "SB2", "4" dual UNION all TYPE

SELECT 555 usd, native of 987, 1234 native2, GROUP_id "SB2", "AND" TYPE OF double UNION ALL

SELECT 666 usd, native of 345, 765 native2, GROUP_id "SB2", "ET6" double TYPE

)

{code}

I want to write something like this

Select group_id,

-case when type = 'AND' then

Sum (USD),

Sum (Native)

on the other

Sum (Native)

Sum (native2)

end

from the data

Group_id group

I get the error message because I can't have two columns in a case statement.  I know that I can write two different queries and the union of all, but I can run in performance problem because the table is huge.

is there a way to do something similar to the above query in oracle 10g in a single request (no Union all etc.)

What are the results you want from these data?  How would you believe that these are good results of these data?

If type is not in the GROUP BY clause, you can not use it in the SELECT clause, unless it is within an aggregate function.

Maybe you want something like this:

SELECT group_id

SUM (CASE WHEN = "AND" THEN usd native ELSE END) AS sum_1

, SUM (CASE type WHEN = 'AND' THEN ELSE END native2 native) AS sum_2

FROM the data

GROUP BY group_id

;

Tags: Database

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