Summary: in this tutorial, you will learn how to use SQL Server ALTER TABLE ADD statement to add one or more columns to a table.. The following ALTER TABLE ADD statement appends a new column to a table:

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 is a standard language for storing, manipulating and retrieving data in databases. Our SQL tutorial will teach you how to use SQL in: MySQL, SQL Server, MS Access, Oracle, Sybase, Informix, Postgres, and other database systems.