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

本站中文解释

TIONS

V$AW_ALLOCATE_OPTIONS是一个Oracle视图,它用于查看使能和禁止的Workarea Allocate选项。

在Oracle中,Workarea Allocate选项用于指定临时表空间大小并定义内存块的大小,以便用于排序和堆表空间的操作。

V$AW_ALLOCATE_OPTIONS视图可用于查看Workarea Allocate选项的当前设置以及可用选项列表。

可以通过使用ALTER SESSION SET WORKAREA_SIZE_POLICY命令来更改Workarea Allocate选项的设置。

要使用V$AW_ALLOCATE_OPTIONS视图,可以执行以下查询:

SELECT * FROM V$AW_ALLOCATE_OPTIONS;

官方英文解释

V$AW_ALLOCATE_OP displays the allocation operators available in analytic workspaces. You can use this view in an application to provide a list of choices.

Column Datatype Description

NAME

VARCHAR2(14)

Keyword for the allocation operator

LONGNAME

VARCHAR2(30)

Descriptive name for the operator

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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