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22 lines
742 B
Plaintext
22 lines
742 B
Plaintext
select @@global.thread_alarm;
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@@global.thread_alarm
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1
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select @@session.thread_alarm;
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ERROR HY000: Variable 'thread_alarm' is a GLOBAL variable
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show global variables like 'thread_alarm';
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Variable_name Value
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thread_alarm ON
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show session variables like 'thread_alarm';
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Variable_name Value
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thread_alarm ON
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select * from information_schema.global_variables where variable_name='thread_alarm';
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VARIABLE_NAME VARIABLE_VALUE
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THREAD_ALARM ON
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select * from information_schema.session_variables where variable_name='thread_alarm';
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VARIABLE_NAME VARIABLE_VALUE
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THREAD_ALARM ON
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set global thread_alarm=1;
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ERROR HY000: Variable 'thread_alarm' is a read only variable
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set session thread_alarm=1;
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ERROR HY000: Variable 'thread_alarm' is a read only variable
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