Oracle 视图 V$DIAG_PROBLEM 官方解释，作用，如何使用详细说明
本站中文解释
Oracle视图V$DIAG_PROBLEM用于展示数据库实例当前正在经历的复杂故障。它可以用来报告发生的故障的内容、大概的可能原因和处理建议。
V$DIAG_PROBLEM是一个临时视图，在每次启动Oracle实例时都会清空并创建，属于动态视图。可以查看以下信息：
• PROBLEM_NUMBER：每个故障实例都有一个唯一的故障编号。
• PROBLEM_KEY：该列显示故障的唯一标识符。
• ERROR_NUMBER：指明故障处理所遇到的错误号。
• ERROR_MESSAGE：如果存在，可以在该列查看可能引发故障的错误消息。
• SEVERITY：故障的严重程度，一般标识为警告或严重。
• DESCRIPTION：故障的更多描述信息。
• RECOMMENDATION：给出及时消除故障的建议和处理方法。
使用方法：
1.连接到Oracle数据库，使用sys或sysdba权限登录。
2.执行以下SQL查询以获取相关故障信息：
SELECT * FROM v$diag_problem;
3.查看详细的故障信息，根据提示使用诊断脚本或执行相应策略来挽救故障。
官方英文解释
V$DIAG_PROBLEM contains information about all problem metadata records present in the Automatic Diagnostic Repository (ADR) for the current container (PDB).
| Column | Datatype | Description |
|---|---|---|
|
|
|
Displays the ID for the current problem |
|
|
|
Displays the problem key for the current problem |
|
|
|
Displays the first incident ID for the current problem |
|
|
|
Displays the timestamp when the first incident occurred for the current problem |
|
|
|
Displays the last incident ID for the current problem |
|
|
|
Displays the timestamp when the last incident occurred for the current problem |
|
|
|
Displays the first impact for the current problem |
|
|
|
Displays the second impact for the current problem |
|
|
|
Displays the third impact for the current problem |
|
|
|
Displays the fourth impact for the current problem |
|
|
|
Displays the service request number for the current problem, if a number has been entered in Support Workbench |
|
|
|
Displays the bug number for the current problem, if a number has been entered in Support Workbench |
|
|
|
Displays the container unique ID to which the data pertains |
|
|
|
The ID of the container to which the data pertains. Possible values include:
|
