本站中文解释
Oracle视图DBA_HIST_SESS_TIME_STATS用于显示会话操作消耗的时间统计信息，对数据库中每次会话执行记录中每个步骤执行消耗时间的累计信息，可以统计出某次会话执行每步骤耗时。
使用方法
1、在Oracle数据库控制台中，使用以下SQL语句查看当前会话操作耗时：
SELECT SQL_ID,SESSION_ID,SESSION_SERIAL#,EVENT,TIME_WAITED
FROM DBA_HIST_SESS_TIME_STATS
WHERE TIME_WAITED > 0
2、使用以下SQL语句可以查看一段时间内某个会话的操作耗时：
SELECT SQL_ID,SESSION_ID,SESSION_SERIAL#,EVENT,TIME_WAITED,SAMPLE_TIME
FROM DBA_HIST_SESS_TIME_STATS
WHERE SESSION_ID=xxx AND SAMPLE_TIME > to_date(‘20200101′,’yyyymmdd’);
官方英文解释
DBA_HIST_SESS_TIME_STATS displays information about CPU and I/O time for interesting Oracle GoldenGate and XStream sessions.
| Column | Datatype | NULL | Description |
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Unique snapshot ID |
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Database ID for the snapshot |
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Instance number for the snapshot |
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Type of session |
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Minimum logon time |
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Total CPU time |
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Total system I/O wait time |
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Total user I/O wait time |
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The database ID of the PDB for the sampled session |
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Session module. Valid values:
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The ID of the container that
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