Edit File: performance_schema_basic.result
select @@global.performance_schema; @@global.performance_schema 1 select @@session.performance_schema; ERROR HY000: Variable 'performance_schema' is a GLOBAL variable show global variables like 'performance_schema'; Variable_name Value performance_schema ON show session variables like 'performance_schema'; Variable_name Value performance_schema ON select * from information_schema.global_variables where variable_name='performance_schema'; VARIABLE_NAME VARIABLE_VALUE PERFORMANCE_SCHEMA ON select * from information_schema.session_variables where variable_name='performance_schema'; VARIABLE_NAME VARIABLE_VALUE PERFORMANCE_SCHEMA ON set global performance_schema=1; ERROR HY000: Variable 'performance_schema' is a read only variable set session performance_schema=1; ERROR HY000: Variable 'performance_schema' is a read only variable
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