SQL行列转换 - MS-SQL Server / 基础类

ServiceStatus ParentID SSCount
------------- ----------- -----------
2 309 2
4 309 1
0 353 3
0 370 1
1 370 1
2 370 1
0 475 1
0 483 1
0 485 1
2 571 1
-99 337 1

要求转换成
ParentID 0 1 2 4 -99 -100
--------------------------------------
309 0 0 2 1 0 0
337 0 0 0 0 1 0

求解。。。

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看上去有点乱，你先去学学那个普通行转列。应该可以搞定

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SQL code:
----------------------------------------------------------------
-- Author :fredrickhu(小F，向高手学习)
-- Date :2010-05-24 16:21:40
-- Version:
-- Microsoft SQL Server 2005 - 9.00.4035.00 (Intel X86)
-- Nov 24 2008 13:01:59
-- Copyright (c) 1988-2005 Microsoft Corporation
-- Developer Edition on Windows NT 5.1 (Build 2600: Service Pack 3)
--
----------------------------------------------------------------
--> 测试数据：[tb]
if object_id('[tb]') is not null drop table [tb]
go
create table [tb]([ServiceStatus] int,[ParentID] int,[SSCount] int)
insert [tb]
select 2,309,2 union all
select 4,309,1 union a