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19 lines
338 B
Markdown
19 lines
338 B
Markdown
# Assumed Radius Of The Earth
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Using the
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[`earthdistance`](https://www.postgresql.org/docs/8.3/static/earthdistance.html)
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module, we can get the assumed radius of the earth (in meters).
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```sql
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> create extension cube;
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CREATE EXTENSION
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> create extension earthdistance;
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CREATE EXTENSION
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> select earth();
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earth
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---------
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6378168
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```
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