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数据湖计算 DLC ALTER TABLE DROP PARTITION

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ALTER TABLE table_name DROP [IF EXISTS] PARTITION (partition_spec) [,PARTITION (partition_spec), …]partition_spec: : partition_column = partition_col_value, partition_column = partition_col_value, …。

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数据湖计算 DLC 产品页，含版本规格、价格与购买入口。

一、说明

·支持内核：Presto、SparkSQL。

·适用表范围：外部表。

·用途：删除数据表的某个分区列。

二、参数

table_name：需要的表名字。
partition_column: 分区名。
partition_col_value：分区值。

三、示例

ALTER TABLE page_view DROP PARTITION (dt='2008-08-08', country='us')ALTER TABLE `page_view` DROPPARTITION (`dt` = '2008-08-08', `country` = 'us'),PARTITION (`dt` = '2008-08-08', `country` = 'us'),PARTITION (`dt` = '2008-08-08', `country` = 'us')

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