Oracle 视图 DBA_ALERT_HISTORY 官方解释，作用，如何使用详细说明

网络编程 Oracle 视图 DBA_ALERT_HISTORY 官方解释，作用，如何使用详细说明 10-15

本站中文解释

Oracle视图DBA_ALERT_HISTORY显示已有的报警历史记录信息。该视图包含以下字段：

– ALERT_ID：一个唯一标识符，表示报警历史记录
– TIME_ISSUED：报警发出的时间
– ERROR_MESSAGE：报警消息
– ORIGINAL_LEVEL：报警等级：
LOW：低，
MEDIUM：中，
HIGH：高，
SERIOUS：严重
– MESSAGE_TEXT：报警文本
– ERROR_NUMBER：报警错误码
– ALERT_NAME：报警名称

使用方法：

第一步：使用下列语句，显示报警历史记录：
SELECT * FROM DBA_ALERT_HISTORY;

第二步：如果需要查看某个特定的报警，可以使用 WHERE 子句查询：
SELECT *
FROM DBA_ALERT_HISTORY
WHERE ALERT_ID = ‘alert_id_value’;

官方英文解释

DBA_ALERT_HISTORY describes a time-limited history of alerts which are no longer outstanding.

Column	Datatype	NULL	Description
`SEQUENCE_ID`	`NUMBER`	`NOT NULL`	Alert sequence number
`REASON_ID`	`NUMBER`		ID of the alert reason
`OWNER`	`VARCHAR2(128)`		Owner of the object on which the alert was issued
`OBJECT_NAME`	`VARCHAR2(513)`		Name of the object
`SUBOBJECT_NAME`	`VARCHAR2(128)`		Name of the subobject (for example: partition)
`OBJECT_TYPE`	`VARCHAR2(64)`		Type of the object (for example: table, tablespace)
`REASON`	`VARCHAR2(4000)`		Reason for the alert
`TIME_SUGGESTED`	`TIMESTAMP(6) WITH TIME ZONE`		Time when the alert was last updated
`CREATION_TIME`	`TIMESTAMP(6) WITH TIME ZONE`		Time when the alert was first created
`SUGGESTED_ACTION`	`VARCHAR2(4000)`		Advice of the recommended action
`ADVISOR_NAME`	`VARCHAR2(128)`		Name of the advisor to be invoked for more information
`METRIC_VALUE`	`NUMBER`		Value of the related metrics
`MESSAGE_TYPE`	`VARCHAR2(12)`		Message type: Notification Warning
`MESSAGE_GROUP`	`VARCHAR2(64)`		Name of the message group to which the alert belongs
`MESSAGE_LEVEL`	`NUMBER`		Severity message level (1 to 32)
`HOSTING_CLIENT_ID`	`VARCHAR2(64)`		ID of the client or security group to which the alert relates
`MODULE_ID`	`VARCHAR2(64)`		ID of the module that originated the alert
`PROCESS_ID`	`VARCHAR2(128)`		Process ID
`HOST_ID`	`VARCHAR2(256)`		DNS host name of the originating host
`HOST_NW_ADDR`	`VARCHAR2(256)`		IP or other network address of the originating host
`INSTANCE_NAME`	`VARCHAR2(16)`		Originating instance name
`INSTANCE_NUMBER`	`NUMBER`		Originating instance number
`USER_ID`	`VARCHAR2(128)`		User ID
`EXECUTION_CONTEXT_ID`	`VARCHAR2(128)`		Execution Context ID
`ERROR_INSTANCE_ID`	`VARCHAR2(142)`		ID of an error instance plus a sequence number
`RESOLUTION`	`VARCHAR2(7)`		Resolution: Cleared N/A
`PDB_NAME`	`VARCHAR2(128)`		PDB name
`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 multitenant container database (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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标签：历史记录,视图,子句,标识符,已有