How to Get the Last Inserted Row ID in SQL Server?

Retrieving the ID of the Last Inserted Row in SQL Server

SQL Server offers a streamlined approach to get the newly created ID after a record insertion, especially useful for tables employing the IDENTITY data type.

The Method:

Leveraging IDENTITY Columns

For tables with an INT IDENTITY (or BIGINT IDENTITY) column, use this SQL statement:

INSERT INTO [dbo].[YourTable] ([columns...])
VALUES ([..........])

SELECT SCOPE_IDENTITY();

Explanation:

• The INSERT statement adds a new row.
• SCOPE_IDENTITY() returns the most recently generated IDENTITY value within the current execution.

Important Note:

This method works best when inserting a single row per execution. Inserting multiple rows simultaneously may lead to unpredictable results.

Alternative Approaches:

While SCOPE_IDENTITY() is widely used, other options exist:

• @@IDENTITY: Returns the last generated IDENTITY value for the current session, regardless of subsequent operations in other sessions or scopes.
• IDENT_CURRENT('table_name'): Retrieves the next IDENTITY value scheduled for assignment in the specified table. This is not the ID of the last inserted row and might differ.

For a detailed comparison of these methods and their subtle differences, refer to this insightful article by Pinal Dave: https://www.php.cn/link/c89f28fe875efcf36c8973a7f81bfbb0

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