SQL Server: Delete Columns of a Table
Use ALTER TABLE DROP COLUMN statement to delete one or more columns of a table using T-SQL.
ALTER TABLE [schema_name.]table_name DROP column column_name1, column_name2,... column_nameN;
The following deletes the Address column of the Employee table.
ALTER TABLE dbo.EmployeeDROP COLUMN Address;
The following deletes multiple columns of the Employee table.
ALTER TABLE dbo.EmployeeDROP COLUMN Address, PhoneNo, Email;
Delete Columns Using SSMS
Open SSMS and connect to the SQL Server instance. In Object explorer, expand the database and the Tables folder. Locate the table and expand the columns folder to display the column names.
Right-click on the column name which you want to delete and click delete.
Delete Column in SQL Server This will open "Delete Object" page, as shown below.
Delete Column in SQL Server Click OK to delete a column.
Finally, save the changes from File menu -> Save.
