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MS SQL Server - Insert NULL values

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Created by:
Roseanne-Read
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In this article, we would like to show you how to insert NULL values to the table in MS SQL Server.

Quick solution:

INSERT INTO [table_name]
    ([column1], [column2], [column3], [columnN])
VALUES
    (value1, NULL, NULL, valueN);

Practical example

To show you how to insert NULL values to the table, we will use the following users table:

MS SQL Server - example data used to insert NULL values to the table
MS SQL Server - example data used to insert NULL values to the table

Note:

At the end of this article you can find database preparation SQL queries.

Example

In this example, we will insert rows with NULL values to the users table.

Query

INSERT INTO [users]
	( [name], [surname], [department_id], [salary])
VALUES
	(NULL, NULL, NULL, NULL),
	('Simon', NULL, NULL, NULL),
	('Taylor', 'Martin', NULL, NULL),
	('Andrew', 'Thompson', 1, NULL),
	('Taylor', 'Martin', 2, '2000');

Result:

MS SQL Server - insert NULL values to the table - result
MS SQL Server - insert NULL values to the table - result

Database preparation

create_tables.sql file:

CREATE TABLE [users] (
	[id] INT IDENTITY(1,1),
	[name] VARCHAR(50),
	[surname] VARCHAR(50),
	[department_id] INT,
    [salary] DECIMAL(15,2),
	PRIMARY KEY ([id])
);

insert_data.sql file:

INSERT INTO [users]
	( [name], [surname], [department_id], [salary])
VALUES
	('John', 'Stewart', 1, '6000'),
	('Chris', 'Brown', 2, '6000'),
	('Kate', 'Lewis', 3, '4000');

MS SQL Server - problems

MS SQL Server - Insert NULL values
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