cloud-fan commented on a change in pull request #35239:
URL: https://github.com/apache/spark/pull/35239#discussion_r791573775
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File path: docs/sql-ref-syntax-ddl-alter-table.md
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@@ -75,6 +75,54 @@ ALTER TABLE table_identifier ADD COLUMNS ( col_spec [ , ...
] )
Specifies the columns to be added.
+### DROP COLUMNS
+
+`ALTER TABLE DROP COLUMNS` statement drops mentioned columns of an existing
table.
+Note that this statement is only supported with v2 tables.
+
+
+#### Syntax
+
+```sql
+ALTER TABLE table_identifier DROP COLUMNS ( col_spec [ , ... ] )
Review comment:
shouldn't DROP COLUMN only take column names?
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