How do I view the warning(s) after a SELECT query using the MySQL command line?

Question

How do I view the warning(s) after a SELECT query? The result of one query is:

Empty set, 1 warning (0.01 sec)

I am using MySQL via command line on Linux.

Answer 1

Type \W in the MySQL command line.

Answer 2

Using the SHOW WARNINGS syntax

SHOW WARNINGS;