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