ALTER TABLE DROP PARTITION

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DocumentationData Lake ComputeSQL StatementSuperSQL StatementUnified StatementDDL StatementALTER TABLEALTER TABLE DROP PARTITION

ALTER TABLE DROP PARTITION

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Last updated: 2024-08-07 17:16:26

ALTER TABLE DROP PARTITION

Last updated: 2024-08-07 17:16:26

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Description
Supported engines: Presto and SparkSQL
Applicable table: External tables
Purpose: Delete a partitioning column of a data table.
Standard Statement
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, ...
Parameter
table_name: Name of the target table
partition_column: Partitioning column name
partition_col_value: Partitioning column value
Example
ALTER TABLE page_view DROP PARTITION (dt='2008-08-08', country='us')
﻿
ALTER TABLE `page_view` DROP
PARTITION (`dt` = '2008-08-08', `country` = 'us'),
PARTITION (`dt` = '2008-08-08', `country` = 'us'),
PARTITION (`dt` = '2008-08-08', `country` = 'us')
﻿
﻿
﻿

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