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Did you know that databases can store geographical data? With the help of spatial extensions, a database can store the locations of stores, ATMs, hotels, streets, districts, and other points of interest. Moreover, you can use SQL queries to process this information.
In this course, you'll learn about PostGIS, a spatial extension of the PostgreSQL database. You will learn how PostGIS stores geographical data and how its basic geographical functions can be used in simple and complex SQL queries.
To make your learning process more interesting, we'll be working with both real and not-so-real places in San Francisco and the United States. Additionally, we've prepared a special surprise—some exercises will even let you see the results of your queries drawn on a real world map!
Are you ready? Let's jump right in!
Course progress
Exercises completed
1.
Not sure if you're ready to take this course? Take this preliminary quiz to find out.
2.
We're getting started with PostGIS. You'll learn the basic terminology related to spatial databases.
3.
That's where the real fun begins. You'll get to know points, linestrings and polygons.
4.
How can points, linestrings and polygons relate to each other? Let's find out in this part of the course.
5.
In this part, we'll present further spatial functions and introduce collections.
6.
Finally, it's time to get to know geography column type.
7.
Do you think you remember everything from our course? It's time to practice before the final quiz.
8.
The time has come to test your knowledge in the final PostGIS quiz.