Why is it proposed to put AND != in the solution?

D

Daria2020-01-15 10:38:33

SQL

Daria, 2020-01-15 10:38:33

In what cases will it be necessary to put AND unequally? Why put it in a specific case?

Reply

Answer the question

In order to leave comments, you need to log in

2 answer(s)

K

Konstantin Tsvetkov, 2020-01-15
@darina46722

Because stores are different. So their codes should not be equal.

L

Lev Zabudkin, 2020-01-16
@zabudkin

What is it that you don't really like? Everything is right! Or you don't know what JOIN is ('this is what you hid from Us, we don't see what's under ppl.price, and even after asking a stupid question for our mind, there are not fools sitting here, but people who really want to help)?