Sql server deadlock error code#

Here is the corrected code for spTransaction2: So the ErrorMessage variable will still have the value ” when you are displaying it. You are not capturing the error message in the catch block. Please post your feedback, question, or comments about this article. I hope this article will help you with your need. Here, in this article, I try to explain the SQL Server Deadlock Error Handling.

Sql server deadlock error how to#

In the next article, I am going to discuss how to find blocking queries in SQL Server. Now when you run both the stored procedures then you will notice that both the procedures are executed successfully. Stored Procedure spTransaction2: ALTER PROCEDURE spTransaction2 IF = 'Iteration reached last error: ' + Rollback the transaction < - do not exceed iteration IS NOT NULL AND < First Increment the iteration counter by 1 IS NOT NULL -null indicates successful execution Stored Procedure spTransaction1: ALTER PROCEDURE spTransaction1 Let’s modify the above-stored procedures to implement the Retry Logic. So rerunning the transaction may complete successfully. The deadlocks usually last for a very short duration. When a transaction fails in SQL Server stored procedure due to deadlock then we can write some logic so that it will rerun the transaction again. Then open two instances of SQL Server Management Studio and from the first instance execute the spTransaction1 stored procedure and from the second instance execute the spTransaction2 stored procedure and you will notice that the deadlock error is handled by the catch block.

Sql server deadlock error update#

UPDATE TableA SET Name = 'Anurag From Transaction 2' SELECT 'Transaction Completed Successfully' If both the update statements are succeeded. UPDATE TableB SET Name = 'Priyanka From Transaction 2' UPDATE TableA SET Name = 'Anurag From Transaction 1' The below procedures are self-explained so please go through the comments. Let’s create two procedures as shown below. INSERT INTO TableB values (1002, 'Dewagan') INSERT INTO TableB values (1001, 'Priyanka') INSERT INTO TableA values (102, 'Mohanty') INSERT INTO TableA values (101, 'Anurag') Please use the below SQL Script to create and populate the tables with the test data. We are going to use the following two tables in this demo. How to catch deadlock errors using try/catch in SQL Server. In this article, I am going to discuss SQL Server Deadlock Error Handling i.e. Data Structures and Algorithms Tutorialsīack to: SQL Server Tutorial For Beginners and Professionals SQL Server Deadlock Error Handling.' Using ThingWorx Logs to Monitor Database Performance'.' Fixed an issue that was causing SQL Server apparent deadlock exceptions'.' Thingworx Application is down frequently?'.' Detecting Deadlocks / Blocked Statements in PostgreSQL for ThingWorx Platform': Ģ. There have been similar questions before:.' The H2 database does not back up properly in ThingWorx and deadlock errors are noticed in logsv':.' Unable to log in ThingWorx with error 'APPARENT DEADLOCK' in ThingWorx':.' 'APPARENT DEADLOCK!!!' is seen in the ApplicationLog.log and ThingWorx Platform becoems unresponsive after starting a connected Azure IoT Hub':.