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Learn how to use the DROP COLUMN command to delete a column in an existing table in SQL. See an example of deleting the "ContactName" column from the "Customers" table.
- Drop
The DROP COLUMN command is used to delete a column in an...
- Column
The following SQL changes the data type of the column named...
- Delete
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- Try It Yourself
Click "Run SQL" to execute the SQL statement above....
- Drop
Learn how to use the SQL DROP COLUMN clause to delete one or more columns from an existing table in MySQL, PostgreSQL, Oracle and SQL Server. See syntax, examples and differences between databases.
25 Σεπ 2024 · Learn how to delete table columns in SQL Server using SQL Server Management Studio or Transact-SQL. See the limitations, permissions, and steps involved in the process.
Learn how to use the SQL Server ALTER TABLE DROP COLUMN statement to remove one or more columns from a table. See syntax, examples, and constraints that affect the deletion of columns.
Learn how to use the ALTER TABLE DROP COLUMN statement to remove a column from a table in SQL. See an example with the product table and the description column.
15 Απρ 2021 · Learn how to drop one or more columns from a SQL Server table using ALTER TABLE DROP COLUMN statement. See examples with screenshots and T-SQL code for different scenarios and versions.
28 Ιουν 2023 · Learn how to remove a column in SQL using the ALTER TABLE statement and the DROP COLUMN clause. Find out the syntax, precautions, and best practices for column deletion across different SQL systems.
