Oracle 视图 V$LOGMNR_PARAMETERS 官方解释,作用,如何使用详细说明

本站中文解释

Oracle视图V$LOGMNR_PARAMETERS用于描述储存在Oracle数据库实例中的LogMiner参数。它主要用来提供给LogMiner进行日志挖掘工作所需要的参数和配置信息。

使用V$LOGMNR_PARAMETERS视图可以获得LogMiner会话状态、LogMiner可以索引的中间日志序列号、是否允许行数据合并访问和其他参数。这一视图的使用可以提供关于会话(LogMiner实例)的信息,可以查看它的状态和已添加日志、扫描等,也可以显示LogMiner中使用的其他参数。

官方英文解释

V$LOGMNR_PARAMETERS contains log information.

Column Datatype Description

START_DATE

DATE

Date to start the search

REQUIRED_START_DATE

DATE

Required date to start the search if DDL tracking is enabled

END_DATE

DATE

Date to end the search

START_SCN

NUMBER

System change number to start the search

REQUIRED_START_SCN

NUMBER

Required system change number to start the search if DDL tracking is enabled

END_SCN

NUMBER

System change number to end the search

OPTIONS

NUMBER

Options specified for the current LogMiner session

INFO

VARCHAR2(32)

This column is always null.

STATUS

NUMBER

This column is always 0.

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


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