How to create crosstab/pivot table in oracle to show in web(PHP)?

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Dear All,

I have one table of oracle and i want select it and show in web by php as crosstab/pivot as table and result bellow:

Table Product

Date		Product		Values
---------------------------------------
06/14/2012      A		5
06/14/2012	B		3
06/14/2012	C		5
06/15/2012	A		3
06/15/2012	B		4
06/15/2012	C		3
06/15/2012	D		2
.		.		.
.		.		.

Show in Web

Date		A	B	C	D	
------------------------------------------
06/14/2012	5	3	5	0
06/15/2012	3	4	3	2

Thanks,
Golden.

Posted 14-Jun-12 15:01pm

Golden Jing

Updated 14-Jun-12 18:32pm

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krumia 14-Jun-12 21:16pm

What's the database you're using?

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krumia · Answer 1 · 2012-06-14T15:21:00

What's the database you're using?

For SQL Server, I found that they have a nice PIVOT operation. See http://www.mssqltips.com/sqlservertip/1019/crosstab-queries-using-pivot-in-sql-server-2005/[^]

You can also use standard SQL CASE statement for this purpose too. See http://www.simple-talk.com/sql/t-sql-programming/creating-cross-tab-queries-and-pivot-tables-in-sql/[^]

SQL

SELECT date,
       SUM(a) a_total, 
       SUM(b) b_total, 
       SUM(c) c_total, 
       SUM(d) d_total
FROM (SELECT date, 
             CASE WHEN product = 'A' THEN values ELSE 0 END a,
             CASE WHEN product = 'B' THEN values ELSE 0 END b,
             CASE WHEN product = 'C' THEN values ELSE 0 END c,
             CASE WHEN product = 'D' THEN values ELSE 0 END d
      FROM   product)
group by date;