Using SQL Server Management Studio To insert columns into a table with Table Designer. In Object Explorer, right-click the table to which you want to add columns and choose Design. Click in the first blank cell in the Column Name column. Type the column n

Summary: in this tutorial, you will learn how to use the SQL ADD COLUMN clause of the ALTER TABLE statement to add one or more columns to an existing table. Overview of SQL ADD COLUMN clause. To add a new column to a table, you use the ALTER TABLE ADD COL

SQL Add Column example. To add a new column to the existing table, please use the following Alter table Add Column syntax-- SQL Server Add Column ALTER TABLE [Table_Name] ADD [New_Column] Data_Type (Length) NULL | NOT NULL. In this SQL example, we are goi