MySQL 5.7

By using db<>fiddle, you agree to license everything you submit by Creative Commons CC0.

SELECT 
    VARIABLE_VALUE
FROM
    performance_schema.global_variables
WHERE
    VARIABLE_NAME = 'max_connections';

VARIABLE_VALUE

151

SHOW GLOBAL VARIABLES LIKE 'max_connect%';

Variable_name
Value

max_connect_errors
100

max_connections
151

SELECT @@GLOBAL.max_connections;

@@GLOBAL.max_connections

151