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This topic describes how to modify one or more column properties for a table using an ALTER COLUMN clause in a ALTER TABLE statement. The following table describes the supported/unsupported actions for modifying column properties:
For column_name, specify the name of the column configured for search optimization. Specifying the column name drops all expressions for that column, including expressions that use VARIANT fields in the column. For expression_id, specify the ID for an expression listed in the output of the DESCRIBE SEARCH OPTIMIZATION command.
27 Ιουλ 2020 · alter table t rename column col1_a to col1; alter table t rename column col2_a to col2; alter table t rename column col3_a to col3; I don't think Snowflake allows multiple renames with a single alter table. answered Jul 27, 2020 at 14:48.
16 Σεπ 2024 · The basic syntax for renaming a column in Snowflake involves the `ALTER TABLE`, `RENAME COLUMN`, and `TO` keywords. The general structure of the command is as follows: ALTER TABLE table_name RENAME COLUMN old_column_name TO new_column_name; This command changes the name of an existing column in a specified table to a new name, provided the new ...
How to Rename a Column in Snowflake. Renaming a column in Snowflake involves using the ALTER TABLE .. RENAME COLUMN command. -- syntax alter table table_name rename column old_name to new_name; -- rename product_category column in products table alter table products rename column products_category to products; Previous.
7 Οκτ 2024 · How to RENAME Columns using Alter Table in Snowflake? Alter Table Snowflake RENAME COLUMN Example --SQL Command Syntax : ALTER TABLE [TABLE_NAME] RENAME COLUMN [OLD_COLUMN] TO [NEW_COLUMN]--Example : ALTER TABLE EMP RENAME COLUMN INFO TO NEW_INFO. The column will be renamed NEW INFO instead of INFO. As a result, the column’s new name is NEW INFO.
One common task that users often need to perform is renaming columns in Snowflake tables. In this article, we will explore the process of renaming a column in Snowflake, step by step. Understanding Snowflake and Its Features. Snowflake is a cloud-based data warehouse built for the modern era.
