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Displaying posts with tag: geo enabled applications (reset)

Using UDFs for geo-distance search in MySQL
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In my previous post about geo-spatial search in MySQL I described (along with other things) how to use geo-distance functions. In this post I will describe the geo-spatial distance functions in more details.

If you need to calculate an exact distance between 2 points on Earth in MySQL (very common for geo-enabled applications) you have at least 3 choices.

  • Use stored function and implement  …
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Creating GEO-enabled applications with MySQL 5.6
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In my previous post I’ve showed some new MySQL 5.6 features which can be very helpful when creating geo-enabled applications. In this post I will show how we can obtain open-source GIS data, convert it to MySQL and use it in our GEO-enabled applications. I will also present at the upcoming Percona Live conference on this topic.

Data …

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Using the new spatial functions in MySQL 5.6 for geo-enabled applications
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Geo-enabled (or location enabled) applications are very common nowadays and many of them use MySQL. The common tasks for such applications are:

  • Find all points of interests (i.e. coffee shops) around (i.e. a 10 mile radius) the given location (latitude and longitude). For example we want to show this to a user of the mobile application when we know his/her approximate location. (This usually means we need to calculate a distance between 2 points on Earth).
  • Find a ZIP code (U.S. Postal address) for the given location or determine if this location is within the given area. Another …
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