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Pro Oracle Spatial for Oracle Database 11g by Ravi Kothuri, Euro Beinat, Albert Godfrind

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CHAPTER 6Geocoding

In preceding chapters, we discussed how to perform spatial searches and analysis. In each example, the entities manipulated (customers, ATMs, stores, and so on) were spatially located. They all included an SDO_GEOMETRY column containing their spatial location using geographical coordinates (longitude and latitude).

But how did this happen? Where did this information come from? Certainly, you cannot ask your customers to give their geographical coordinates when they register with you or when they place an order! ...

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