Oracle教程 2023-03-22

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

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

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