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SQL,sql教程

SQL,sql教程


SQL如下:

update mapping_nj_roads
set municipality='227'
from mapping_geodata_boundary a
where a.supportfile_code='227' and
(a.boundary.STContains(mapping_nj_roads.geom)=1 or a.boundary.STIntersects(mapping_nj_roads.geom)=1)

 

#1 mapping_nj_roads 是新泽西的所有的道路的表,geom是路的geometry字段

#2 mapping_geodata_boundary是新泽西所有的boundary的表,boundary是geometry字段

#3 227是bergen county的一个township

#4 用到的方法:STContains【包含】、STIntersects【相交】

 


sql server 2008 的密钥是好多?可以用得起的

SQL Server 2008 序列号:
Developer: PTTFM-X467G-P7RH2-3Q6CG-4DMYB
Enterprise: JD8Y6-HQG69-P9H84-XDTPG-34MBB
 

sql server 2008 的密钥是好多?可以用得起的

SQL Server 2008 序列号:
Developer: PTTFM-X467G-P7RH2-3Q6CG-4DMYB
Enterprise: JD8Y6-HQG69-P9H84-XDTPG-34MBB
 

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