mirror of
https://github.com/MariaDB/server.git
synced 2025-01-20 14:02:32 +01:00
20 lines
777 B
Text
20 lines
777 B
Text
select variable_name from information_schema.session_status where variable_name =
|
|
(select variable_name from information_schema.session_status where variable_name = 'uptime');
|
|
variable_name
|
|
UPTIME
|
|
select variable_name from information_schema.session_variables where variable_name =
|
|
(select variable_name from information_schema.session_variables where variable_name = 'basedir');
|
|
variable_name
|
|
BASEDIR
|
|
create table t1 (a char);
|
|
insert t1 values ('a'),('t'),('z');
|
|
flush status;
|
|
select a, exists (select 1 from information_schema.columns where table_schema=concat('tes',a)) from t1;
|
|
a exists (select 1 from information_schema.columns where table_schema=concat('tes',a))
|
|
a 0
|
|
t 1
|
|
z 0
|
|
show status like 'created_tmp_tables';
|
|
Variable_name Value
|
|
Created_tmp_tables 43
|
|
drop table t1;
|