Edit File: socket_basic.result
select @@global.socket; @@global.socket MYSQL_TMP_DIR/mysqld.1.sock select @@session.socket; ERROR HY000: Variable 'socket' is a GLOBAL variable show global variables like 'socket'; Variable_name Value socket MYSQL_TMP_DIR/mysqld.1.sock show session variables like 'socket'; Variable_name Value socket MYSQL_TMP_DIR/mysqld.1.sock select * from information_schema.global_variables where variable_name='socket'; VARIABLE_NAME VARIABLE_VALUE SOCKET MYSQL_TMP_DIR/mysqld.1.sock select * from information_schema.session_variables where variable_name='socket'; VARIABLE_NAME VARIABLE_VALUE SOCKET MYSQL_TMP_DIR/mysqld.1.sock set global socket=1; ERROR HY000: Variable 'socket' is a read only variable set session socket=1; ERROR HY000: Variable 'socket' is a read only variable