April, 2008

Posts
  • Isaac @ MSDN

    The Unexpected Too-Large Polygon

    • 4 Comments
    Hi Folks, I recently got contacted via email with the following problem: ... I have 2 complex polygons, representing district boundaries. The polygons look correct, but I'm getting exceptions when I try to create the type. I've attached the...
  • Isaac @ MSDN

    More on the Multi-Level Grid

    • 5 Comments
    Hi Folks, In my last indexing post , I filled in most of the details about our multi-level grid index. Let me clean up a few lingering questions about our planar grid. We'll do this Q&A style: Q: What happens if I set the maximum number...
  • Isaac @ MSDN

    Connect and Implicit Casts

    • 4 Comments
    Hi Folks, Perhaps it is surprising, based on the content here, that I'm not a full-time spatial head here in SQL Server land. (We leave that job to Ed .) I have, of course, been spending a lot of time on spatial, but it turns out I have other responsibilities...
  • Isaac @ MSDN

    Where are my Spatial Columns?

    • 3 Comments
    Hi Folks, I've been asked a few times how to find out what spatial columns are defined in a database. We don't have any special table for this, but you can easily find out by looking at the usual system views: SELECT ta.name as table_name, co.name...
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