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1001       100        80         
1001       200       180         
1001       300       280         
1001       400       380         
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1001       100        80          20
1001       200       180          40
1001       300       280          60
1001       400       380          80
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set @a = 0
update TABLE1 set
@a = @a + Ó¦ÊÕ½ð¶î - ÊÕ¿î½ð¶î,
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SQL Server 2008 Spatial, PostgreSQL/PostGIS 1.3

General Overview
FeatureSQL Server 2008 (RC0)MySQL 5.1/6PostgreSQL 8.3/PostGIS 1.3/1.4
OS
Windows XP, Windows Vista, Windows 2003, Windows 2008
Windows XP, Windows Vista, (haven't tested on 2008), Linux, Unix, Mac
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 create PROCEDURE pagelist
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@fieldname nvarchar(50)='*',         
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@currentpage int output,--µÚ¼¸Ò³
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