Spracherkennung für: .test vermutete Sprache: SQL {SQL[90] ABAP[50] Lisp[42]} [Methode: maximale Elemente, drei Dimensionen]
#
# only global
#
select @@global.init_file;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
select @@session.init_file;
show global variables like 'init_file';
show session variables like 'init_file';
select * from information_schema.global_variables where variable_name='init_file';
select * from information_schema.session_variables where variable_name='init_file';
#
# show that it's read-only
#
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set global init_file=1;
--error ER_INCORRECT_GLOBAL_LOCAL_VAR
set session init_file=1;
[Dauer der Verarbeitung: 0.6 Sekunden]
