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select @@global.in_transaction;
ERROR HY000: Variable 'in_transaction' is a SESSION variable
select @@session.in_transaction;
@@session.in_transaction
0
show global variables like 'in_transaction';
Variable_name Value
show session variables like 'in_transaction';
Variable_name Value
in_transaction 0
select * from information_schema.global_variables where variable_name='in_transaction';
VARIABLE_NAME VARIABLE_VALUE
select * from information_schema.session_variables where variable_name='in_transaction';
VARIABLE_NAME VARIABLE_VALUE
IN_TRANSACTION 0
set global in_transaction=1;
ERROR HY000: Variable 'in_transaction' is a read only variable
set session in_transaction=1;
ERROR HY000: Variable 'in_transaction' is a read only variable
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