Oracle dba经常使用sql

1.--根据hash_value查询单条语句执行状况 SELECT tim.start_time AS "daytime",        ROUND(SUM(stf.active_time), 2) AS "in_oracle_time",        ROUND(SUM(cpu_used), 2) AS "using_cpu_time",        ROUND(SUM(wait_io),

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