2
votes
0answers
391 views

Which one is better ?SQL server 2012 or Oracle 11g

I want to learn a database server, SQL server 2012 or Oracle 11g . I surf in the internet to compare SQL server and Oracle for spatial data and found good websites such as gisboston.it was very ...
1
vote
1answer
363 views

Oracle spatial - check polygon vertices counter clockwise

I need to import a huge number of polygons from a third party (as a csv file- array of x,y's). I have to check whether the polygon vertices are in clockwise or counter clockwise, finally i have to ...
18
votes
3answers
1k views

When should you NOT use a spatial index?

I am asking this because I was mainly working with Oracle but for the past year I've been doubling with PostGIS and SQLServer 2008. Most spatial functions in Oracle won't work without a spatial index ...
12
votes
3answers
910 views

Future of spatial databases

It may be a bit off-topic. I am eager to know the industry specific importance of Spatial Databases. Is Spatial Database a very important part of any GIS system? Or will we use other technologies to ...