Answers for "SQLSTATE[HY000] [2002] No such file or directory (SQL: select * from information_schema.tables where table_schema = lms_meet and table_name = migrations and table_type = 'BASE TABLE')"

SQLSTATE[HY000] [2002] Connection refused (SQL: select * from information_schema.tables where table_schema = ipris and table_name = migrations and table_type = 'BASE TABLE')

php artisan cache:clear 
php artisan config:clear

laravel SQLSTATE[HY000] [2002] No such file or directory (SQL: select * from information_schema.tables where table_schema = testDB and table_name = migrations and table_type = 'BASE TABLE')

'unix_socket' => env('DB_SOCKET', '/Applications/MAMP/tmp/mysql/mysql.sock'),