SHOW Syntax

MySQL 5.5 Reference Manual  /  SQL Statement Syntax  /  Database Administration Statements  /  SHOW Syntax

SHOW PROFILE Syntax

-- https://dev.mysql.com/doc/refman/5.5/en/show-profile.html
-- Malformed statements are profiled.
select @@profiling;

select count(1) from statisticsdata.activityEvent;

show profiles;

show profile all for query 86;

select state, format(duration, 6) as duration from INFORMATION_SCHEMA.PROFILING where QUERY_ID = 86 order by SEQ;
desc information_schema.profiling;

SHOW Syntax

原文：https://www.cnblogs.com/zhengwenqiang/p/8878100.html