Add Multiple Columns MS SQL Server

There are situations when the existing table needs to have columns added. For smaller tables, it could be possible to add a column using SQL Server Management Studio, but for larger tables, you'd need a more simple method to modify and add many SQL columns.

There are numerous techniques to create multiple columns in SQL. Use the SQL ALTER TABLE ADD statement, for instance, to add several columns. A column can also be dropped, changed, or given a new name with this command. In SQL, you can add multiple columns in a many different ways. You will learn in this post about the different database systems and the various ways you can add additional SQL columns.

 Add Multiple Columns in SQL

With the ALTER TABLE statement in SQL, you can add multiple columns to a table.

Below is the SQL syntax for adding several columns:

 

ALTER TABLE table_name

ADD column1 column1_definition;

ADD column2 column2_definition;

ADD column3 column3_definition;

...

ADD column columnn_definition;

USE Test

GO

--Create Table

CREATE TABLE dbo.TestTable( ID INT)

--Add multiple columns in one statement

ALTER TABLE dbo.TestTable

ADD

Name VARCHAR(100) NOT NULL,

ADDRESS VARCHAR(100) NOT NULL,

AGE INT NOT NULL,

PhoneNumber VARCHAR(12)

 

Add One Columns in SQL

 

With the ALTER TABLE statement in SQL, you can add a columns to a table.

Below is the SQL syntax for adding a column:

 

ALTER TABLE table_name

ADD column1 column1_definition;