Re: Inserting data from long table into wide table

I believe a decode and group by would work well for you, something like:

insert into tableb
select id, sum(decode(name,'P1',value,0)), sum(decode(name,'P2',value,0)), ... from tablea group by id;

At 11:19 AM 3/22/01 -0800, you wrote:
>I have a table A with the following data (Table A has 3 columns id, name,
>value)
>
>id name value
>10 P1 20
>10 P2 60
>10 P3 12.5
>10 P4 26
>20 P1 100
>20 P2 90
>20 P3 15
>20 P4 36
>30 P1 60
>30 P2 50
>30 P3 11.5
>30 P4 13
>.... more rows
>
>I want to insert this data into table B as follows (Table B has 4 columns
>id, P1, P2, P3, P4)
>
>
>id P1 P2 P3 P4
>10 20 60 12.5 26
>20 100 90 15 36
>30 60 50 11.5 13
>... more rows
>
>Can you suggest a Sql statement for the insert into table B. Thank you
>very much in advance.
>Erma
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