ALTER DATASET ...DROP VERSION¶

语法¶

ALTER DATASET [ IF EXISTS ] <name> DROP VERSION <version_name>

参数¶

name

您要删除的数据集的名称。

DROP VERSION version_name

您要删除的数据集版本的名称。

访问控制要求¶

A role used to execute this operation must have the following privileges at a minimum:

The USAGE privilege on the parent database and schema are required to perform operations on any object in a schema.

For instructions on creating a custom role with a specified set of privileges, see 创建自定义角色.

For general information about roles and privilege grants for performing SQL actions on securable objects, see 访问控制概述.

示例¶

以下示例删除了 my_dataset 数据集的版本 v1：

ALTER DATASET my_dataset
DROP VERSION 'v1';