使用DBA_HIST_SQLTEXT视图:该视图保存了数据库中历史执行过的SQL语句的文本信息。可以使用时间范围等条件来过滤结果,以获取特定时间段内的SQL执行记录。 SELECT * FROM DBA_HIST_SQLTEXT; 复制代码 使用DBA_HIST_SQLSTAT视图:该视图保存了数据库中历史执行过的SQL语句的统计信息,包括执行次数、执
2.根据sql_id,在dba_hist_sqltext中查看相关sql语句 select command_type,sql_text from dba_hist_sqltext where sql_id='d5bcqvumxr4y4'; command_type sql_text 3 select count(id) from bom 注:command_type=3表示这是select命令,完整的command_type可以select * from audit_actions; 3.查看之前命令的...
(select s.SQL_ID, s.SQL_TEXT sum(s.CPU_TIME_DELTA), sum(s.DISK_READS_DELTA), count(*) from DBA_HIST_SQLSTAT s, DBA_HIST_SNAPSHOT p, DBA_HIST_SQLTEXT t where 1=1 and s.SNAP_ID = p.SNAP_ID and s.SQL_ID = t.SQL_ID and EXTRACT(HOUR FROM p.END_INTERVAL_TIME) between ...
select a.sql_text SQL语句, b.etime 执行耗时, c.user_id 用户ID, c.SAMPLE_TIME 执行时间, c.INSTANCE_NUMBER 实例数, u.username 用户名, a.sql_id S...
通常,这样的教程会包含如何使用SQL的内置功能,例如`V$SESSION_LONGOPS`、`V$SQL`、`V$SQLAREA`视图,或者通过`DBA_HIST_SQLTEXT`等历史性能数据来分析SQL性能。 标签“源码 工具”提示我们可能会涉及一些底层的... oracle几个awr报告 - 使用DBA_HIST_REPORT package中的DBMS_WORKLOAD_REPOSITORY包来生成报告,如`DB...
三、Oracle查询SQL语句执行的耗时 1selecta.sql_text SQL语句,2b.etime 执行耗时,3c.user_id 用户ID,4c.SAMPLE_TIME 执行时间,5c.INSTANCE_NUMBER 实例数,6u.username 用户名, a.sql_id SQL编号7fromdba_hist_sqltext a,8(selectsql_id, ELAPSED_TIME_DELTA /1000000asetime9fromdba_hist_sqlstat10whereELAP...
dba_hist_sqltext a , ( select sql_id , ELAPSED_TIME_DELTA / 1000000 as etime from dba_hist_sqlstat where ELAPSED_TIME_DELTA / 1000000 >= 1 ) b , dba_hist_active_sess_history c , dba_users u where a.sql_id = b.sql_id
sql_id, ROUND (x.elapsed_time / 1000000 / x.executions_delta, 3) elapsed_time_sec, ROUND (x.cpu_time / 1000000 / x.executions_delta, 3) cpu_time_sec, x.elapsed_time, x.cpu_time, executions_delta AS exec_delta FROM dba_hist_sqltext dhst, ( SELECT dhss.sql_id sql_id, SUM ...
FROM dba_hist_sqltext where sql_id = 'gx1z821kak488'; DBMS_SQLTUNE.IMPORT_SQL_PROFILE(sql_text => clsql_text, profile => ar_profile_hints, name => 'PROFILE1_gx1z821kak488', force_match => TRUE, REPLACE => TRUE); end;
SQL>select * fromtable(dbms_xplan.display_awr('&sql_id')); --注: 1.DISPLAY_AWR 函数显示存储在AWR历史数据的执行计划。 2.须对以下视图有SELECT权限:DBA_HIST_SQL_PLAN 和DBA_HIST_SQLTEXT。 3.参数: 1)SQL_ID :可以从DBA_HIST_SQL_PLAN.SQL_ID或DBA_HIST_SQLTEXT.SQL_ID 获得,该参数必须指定...