22 lines
807 B
Plaintext
22 lines
807 B
Plaintext
select @@global.protocol_version;
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@@global.protocol_version
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10
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select @@session.protocol_version;
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ERROR HY000: Variable 'protocol_version' is a GLOBAL variable
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show global variables like 'protocol_version';
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Variable_name Value
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protocol_version 10
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show session variables like 'protocol_version';
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Variable_name Value
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protocol_version 10
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select * from performance_schema.global_variables where variable_name='protocol_version';
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VARIABLE_NAME VARIABLE_VALUE
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protocol_version 10
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select * from performance_schema.session_variables where variable_name='protocol_version';
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VARIABLE_NAME VARIABLE_VALUE
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protocol_version 10
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set global protocol_version=1;
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ERROR HY000: Variable 'protocol_version' is a read only variable
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set session protocol_version=1;
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ERROR HY000: Variable 'protocol_version' is a read only variable
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