DROP COLUMN¶
DROP COLUMN
can be used to remove columns from a table.
Syntax¶
ALTER TABLE [schema_name.]table_name DROP COLUMN column_name
schema_name ::= identifier
table_name ::= identifier
column_name ::= identifier
Parameters¶
Parameter |
Description |
---|---|
|
The schema name for the table. Defaults to |
|
The table name to apply the change to |
|
The column to remove |
Examples¶
Removing a Column¶
ALTER TABLE
users DROP COLUMN weight;
Removing a Column with a Quoted Identifier Name¶
ALTER TABLE
users DROP COLUMN "Weight in kilograms";
Permissions¶
The role must have the DDL
permission at the database or table level.