logo

Crowdly

Browser

Add to Chrome

SELECT COUNT ( * ) AS intersection_count FROM roads r1 , roads r2 ...

✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.

SELECT COUNT(*) AS

intersection_count

FROM roads r1,

roads r2

WHERE r1.gid != r2.

gid

AND ST_Intersects(r1.geom, r2.geom);

Що обчислює цей запит?

More questions like this

Want instant access to all verified answers on moodle.chnu.edu.ua?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Browser

Add to Chrome