![drop column sql server drop column sql server](https://www.mssqltips.com/tipimages2/6823_sql-drop-column.015.png)
Step 2: Select the desired table from which we want to delete columns, right-click on it, and select the Design option from the context menu. Step 1: In Object Explorer, go to the Databases -> Tables menu and expand it. The following steps are used to remove columns with Table Designer: The management studio allows us to drop columns from the table in the following ways:
Drop column sql server software#
SSMS is a windows software tool used to connect and work with our SQL Server from a graphical interface instead of using the command line. See the below output: SQL Server Management Studio (SSMS) Now, we are able to delete the Mobile_no column. SQL Server has ALTER TABLE DROP COLUMN command for removing columns from an existing table. We can drop columns in SQL Server mainly in two ways: We will first delete all dependencies on the column while using Object Explorer or Transact-SQL to drop columns. However, we can do this by using the Table Designer. SQL Server does not drop a column with PRIMARY or FOREIGN KEY constraints or other dependencies. If we want to drop a column with constraints, we first remove the constraint. We cannot remove a column with a CHECK constraint in the table. In this article, we are going to discuss a complete overview of how we can delete columns from an existing table. It is required to have ALTER permission on the object before removing the columns from a table. Step 6: Refresh the database or table to finish the deletion steps.SQL Server allows the user to delete one or more columns from the table whenever they are not used or obsolete. Delete the referenced constraints to fix the issue.
![drop column sql server drop column sql server](https://www.mssqltips.com/tipimages2/6823_sql-drop-column.006.png)
NOTE: An error message will appear in the Delete Object dialogue box if the column contains constraints or other dependencies.
![drop column sql server drop column sql server](https://blog.sqlauthority.com/wp-content/uploads/2017/01/drag-and-drop-columns-ssms-01-800x184.jpg)
Step 5: In the Delete Object dialog box, click OK. Step 4: Right-click on the column name you want to remove and choose the Delete option. Step 3: Select the Columns and expand them. Step 2: Select the desired table and expand it. Step 1: Go to the Databases -> Tables menu and expand it. The following steps are used to delete a column using Object Explorer: Step 5: If you get a prompt message to confirm your column's deletion and relationships, click the Yes button. Step 4: Right-click the column that we are going to delete and select the Delete Column option from the menu. Step 3: Once we select the Design option, we will see the table in design mode like the below image.
![drop column sql server drop column sql server](https://i.pinimg.com/736x/f6/6b/fa/f66bfaf0abd9161e48180aaacd4e8f8f.jpg)
SQL Server allows the user to delete one or more columns from the table whenever they are not used or obsolete.