Edit File: thread_concurrency_basic.result
select @@global.thread_concurrency; @@global.thread_concurrency 10 Warnings: Warning 1287 '@@thread_concurrency' is deprecated and will be removed in a future release. select @@session.thread_concurrency; ERROR HY000: Variable 'thread_concurrency' is a GLOBAL variable show global variables like 'thread_concurrency'; Variable_name Value thread_concurrency 10 show session variables like 'thread_concurrency'; Variable_name Value thread_concurrency 10 select * from information_schema.global_variables where variable_name='thread_concurrency'; VARIABLE_NAME VARIABLE_VALUE THREAD_CONCURRENCY 10 select * from information_schema.session_variables where variable_name='thread_concurrency'; VARIABLE_NAME VARIABLE_VALUE THREAD_CONCURRENCY 10 set global thread_concurrency=1; ERROR HY000: Variable 'thread_concurrency' is a read only variable set session thread_concurrency=1; ERROR HY000: Variable 'thread_concurrency' is a read only variable