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DocumentationData Lake ComputeSQL StatementSuperSQL StatementUnified StatementDDL StatementALTER TABLEALTER TABLE DROP COLUMN
ALTER TABLE DROP COLUMN
Last updated: 2024-08-07 17:15:45
Description
Supported engines: Presto and SparkSQL
Applicable table: Native Iceberg tables and external tables
Purpose: Delete a field from a data table.
Standard Statement
ALTER TABLE table_name DROP COLUMN column_name
Parameter
table_name: Name of the target tablecolumn_name: Name of the column to be deletedExample
ALTER TABLE `TBL` DROP COLUMN `COL2`
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