
复制SELECT schema_name ,据库监控结
SUM(count_star) count , ROUND( (SUM(sum_timer_wait) / SUM(count_star)) / 1000000) AS avg_microsec FROM performance_schema.events_statements_summary_by_digest WHERE schema_name ISNOTNULL GROUPBY schema_name; 1.2.3.4.5.6.
作者:IT科技类资讯