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

本站中文解释

Oracle视图V$DIAG_TRACE_FILE可以用来检查当前用户最新调试文件的文件名和宽度。当调试跟踪被激活时,它会向调试跟踪文件写入信息。这个视图非常有用,它允许管理员检查相应的调试文件的文件名和大小,并且可以在系统错误发生之后使用此视图进行调试。

为了使用此视图,用户可以执行SELECT语句检索视图中的内容。例如,用户可以使用此查询检索视图中的内容:
SELECT * FROM V$DIAG_TRACE_FILE;
这将返回文件名、位置和宽度字段的结果,用户可以检查相关信息,确定相应的调试文件的是否有效。

官方英文解释

V$DIAG_TRACE_FILE contains information about all trace files present in the Automatic Diagnostic Repository (ADR) for the current container (PDB). This view also supports GV$ global views.

Column Datatype Description

ADR_HOME

VARCHAR2(444)

Path to the current ADR home

TRACE_FILENAME

VARCHAR2(68)

Displays the name of the process trace file

CHANGE_TIME

TIMESTAMP(3) WITH TIME ZONE

Displays the change time timestamp of the process trace file

MODIFY_TIME

TIMESTAMP(3) WITH TIME ZONE

Displays the last modification timestamp of the process trace file

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$DIAG_TRACE_FILE 官方解释,作用,如何使用详细说明