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

本站中文解释

Oracle 视图DBA_ADVISOR_DEFINITIONS是Oracle的建议者视图,它提供给数据库管理人员有关自定义建议者的详细信息,如它的名字、创建者、参数、关联的对象等。

使用此视图可以实现以下目的:

1. 查看当前系统中定义的所有建议者。

2. 查看已定义的建议者的名称和相关参数,包括但不限于创建者、关联对象等。

3. 查看特定建议者的已定义参数。

4. 确定执行特定建议者的用户。

官方英文解释

DBA_ADVISOR_DEFINITIONS displays the properties of all advisors in the database.

The view contains one row for each task, representing the current state of the task as well as execution-specific data such as progress monitoring and completion status.

Column Datatype NULL Description

ADVISOR_ID

NUMBER

NOT NULL

Unique identifier for the advisor

ADVISOR_NAME

VARCHAR2(128)

NOT NULL

Name of the advisor

PROPERTY

NUMBER

NOT NULL

Properties:

  • Bit 0: – Indicates whether the advisor runs in COMPREHENSIVE mode (1) or not (0)

  • Bit 1: – Indicates whether the advisor runs in LIMITED mode (1) or not (0)

  • Bit 2: – Indicates whether the advisor is resumable (1) or not (0)

  • Bit 3: – Indicates whether the advisor accepts user directives (1) or not (0)


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