Find Tables with No Primary Key – SQL Server

Sometime back I had done a post called Find all tables in a database without a primary key where I used the INFORMATION_SCHEMA.TABLES.

Megan commented asking how to rewrite the same query using sys.objects. Well here it is!

USE NerdDinner;
GO
SELECT name as [TableName], create_date
FROM sys.objects
WHERE type = 'U'
AND OBJECTPROPERTY([object_id], 'TableHasPrimaryKey') = 0;
GO

OUTPUT

If you do not get any results, then all your tables in your database have primary keys

You may also want to check the following related posts written some time ago:

Find Primary Key of a SQL Server Table

List all the Non-Clustered Indexes in a SQL Server Database

Find out all the Primary Key and Foreign Key Constraints in a table

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