troubleshooting Question

Search for addresses within a given distance from my location

Avatar of Phil Catterall
Phil Catterall asked on
Microsoft SQL Server
5 Comments1 Solution358 ViewsLast Modified:
Here's an interesting one. I have address records which have a latitude and longitude - lets say a simple table with:
AddressId INT
Latitude decimal(10,6)
Longitude decimal(10,6)

I know my current position expressed also in degrees latitude and longitude (lets call them variables @Lat and @Long.

So can anyone assist me with some SQL to bring back those Id's which fall within a certain distance. Ideally records within a radius (r) of a circle where I am at the center, or a square at which I am the center if that is easier.
I did find a solution which uses a .Net CLR but I am restricted and not able to use a CLR.
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