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Geo-targeting Project [7-25]


The LOCATIONS table contains three columns.

It has the postcodes for the 15 stores, along with the associated easting and northing coordinates (i.e. OS_X and OS_Y columns).
Picture

The pair of easting and northing coordinates (e.g. 537275, 169398) represents a geographical location. 

You can think of it as the (x, y) coordinates on a two-dimensional plane:
Picture
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Let's look at an example.

The first store's coordinates are (532714, 168302). 

You can enter the coordinates on 
this map and locate the store:
Picture

The easting and northing coordinates are commonly measured in meters.

They can be used to calculate the distance between two addresses, such as the store's and the customers' addresses.

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You can read further about the easting and northing coordinates on Wikipedia.
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