Spatial Data

External Article

SQL Server Spatial Indexes

  • Article

Spatial Data in SQL Server has special indexing because it has to perform specialised functions. It is able, for example, to break down an indexed space into a grid hierarchy by using a technique called tessellation. This is a rules-based system that, when you compare a shape to an index, works out how many cells in the the grid hierarchy are touched by that shape , and how deep down the grid hierarchy to search. There is powerful magic in Spatial Indexes as Surenda and Roy explain.

2015-04-15

7,242 reads

External Article

Introduction to SQL Server Spatial Data

  • Article

More and more applications require the handling of geospatial data. It is easy to store spatial data, but it takes rather more thought to retrieve and manipulate it. Tasks like searching neighborhoods, and calculating distances between points is often required from databases. But how do you start? Roy and Surenda take you through the basics.

2015-04-06

9,426 reads

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Synapse Analytics History I

Before Synapse Analytics was a service in Azure, what was the name of the analytic data warehouse platform in the Azure cloud?

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