Nov 18, 2025 · Identity columns can be used for generating key values. The identity property on a column guarantees the following conditions: Each new value is generated based on the …

This tutorial shows you how to use the SQL Server IDENTITY property to create an identity column for a table.

Feb 2, 2024 · In this article, we will learn about How to add an identity to an existing column in SQL Server using examples and so on. There are times when we need to modify the structure …

SQL identity column is a column that automatically generates unique integer for each row when you insert a new row to the table. To define an identity column, you use the IDENTITY …

Dec 4, 2025 · What is an Identity Column in SQL Server? Before we start writing code, let’s define exactly what we are dealing with. An Identity column is a special type of column in a database …

In SQL Server, a column in a table can be set as an identity column. It is used for generating key values for primary key columns. Use the IDENTITY [ (seed, increment)] property with the …

Jul 23, 2025 · In SQL Server, IDENTITY is a column-level property that is used to provide an auto-incremented value for every new row inserted. All you have to do is provide a seed value …

Auto-increment allows a unique number to be generated automatically when a new record is inserted into a table. Often this is the primary key field that we would like to be created …

Apr 20, 2025 · When inserting a row into a database table that contains an identity column, I need a way to capture the SQL identity values generated by the database engine after it inserts the …

Jan 14, 2020 · When you use T-SQL to create (or alter) a table in SQL Server, you have the option of using the IDENTITY() property to create an identity column. An identity column …