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Oracle 视图 V$TIMER 官方解释，作用，如何使用详细说明

本站中文解释

Oracle视图V$TIMER 用于查看当前实例启动以及关闭时间日期以及实例中繁忙情况，大体上分为三类：忙碌时间（DB Time），并发用户执行时间（DB CPU），和系统空闲时间（Idle）。

使用方法：

在Pacle会话窗口中输入“select * from v$timer”即可查看表的内容。

官方英文解释

V$TIMER displays the elapsed time in hundredths of a second. Time is measured since the beginning of the epoch, which is operating system specific, and wraps around to 0 again whenever the value overflows four bytes (roughly 497 days).
Column Datatype Description

HSECS

NUMBER

Elapsed time (in hundredths of a second)

CON_ID

NUMBER

The ID of the container to which the data pertains. Possible values include:

  • 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs.

  • 1: This value is used for rows containing data that pertain to only the root

  • n: Where n is the applicable container ID for the rows containing data


数据运维技术 » Oracle 视图 V$TIMER 官方解释，作用，如何使用详细说明
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