The precedence is the order in which the SQL operators are
evaluated.
 
The following list shows the SQL operator precedence.
Operators that appear first in the list have a higher
precedence. Operators which are listed together have the
same precedence.
INTERVAL
BINARY, COLLATE
!
- (unary minus), [[bitwise-not|]] (unary bit inversion)
|| (string concatenation)
^
*, /, DIV, %, MOD
-, +
 
&
|
= (comparison), , >=, >, 

URL: https://mariadb.com/kb/en/operator-precedence/